Intron-skipping siRNAs

Evidence to support the hypothesis that RNAi is triggered against spliced transcripts, rather than by introns as proposed by [Dumesic-2013], is provided by reads that cross splice sites after removal of the intron-sequence in line with mRNA-Seq data.

Counting of intron-like gaps has been based on the presence of N within the cigar string for each alignment. In the tutorial on ‘Cryptococcus siRNAs’ it is described how some of these intron-skipping reads stand out for mutant strains rde1Δ and rde2Δ. Gaps of ~60 nt are predicted for alignments in the absence of Rde1 as shown in Figure 12 (lanes re1; in the diagram showing mapped reads bridging a gap; middle row, left panel), while in the absence of Rde2 multimapping reads over spliced introns of ~73 nt were enriched (lanes re2 in the same Figure, right panels of the middle or bottom row). These reads can be retrieved from the bam files directly with Samtools. The IDs for the re1 samples are SRR8697586 and SRR8697587, and for re2 SRR8697588 and SRR8697589. We will check the alignments for reads that were mapped across the putative introns of 68 and 73 nt.

But first, to directly support the argument that transcripts have been spliced prior to the onset of an RNAi response, we can identify reads across spliced introns in CNAG_03231 (former CNAG_07721) in the wild type, SRR646636, analyzed as a ‘model’ siRNA-target by [Dumesic-2013].



Introns in CNAG_03231

Figure 1 displays the CNAG_03231 locus in the IGB genome browser (after loading bedgraphs for wild type and ago1Δ RNA-Seq data [Wallace-2020] and for siRNAs [Dumesic-2013]).

../../_images/dumesicCNAG_03231-cDNA_47N52N48N.png

Figure 1. Introns in CNAG_03231 (CNAG_07721)

RNA-Seq [Wallace-2020] indicates the presence of three introns of 47, 52 and 48 nt in the primary transcript of CNAG_03231. Antisense siRNAs (dark red; [Dumesic-2013]) are mainly raised against regions not containing the intron sequences. The GTF reference (black bars) is from [Wallace-2020].

The CNAG_03231 region targeted by siRNAs contains three introns in the primary transcript. Zooming in to nucleotide resolution, provides detailed information on intron sequences and RNA alignments:

CNAG_03231 introns, bridged by siRNAs

5’ flank

length

sequence

3’ flank

TGCTACTC

47

GTGAGTACTTCTTTCGTGGCAGATCGTGAAACTCATTGCGCCATCAG

CACTTTCT

AGGTACAT

52

GTACGTGTCTTTAGTCTTAGGATGAGCCTTAAAGCTGACGCCGCCTGCATAG

TCGATCAA

CACGCCCT

48

GTGAGTCTGCACACGGTGATTCTAGTGGCCATGCTGATTGTATGGCAG

CAACCCCT

From the work directory Burke-2019/, access the cDNA reads for the wild type, as published by [Dumesic-2013]:

  • cd STAR-analysis0-h99_collapsed/SRR646636_collapsed_0mismatch-h99/

To find the number of unique cDNAs that cross above introns:

  • for i in 47 52 48; do samtools view samtoolsAligned.sortedByCoord.out.bam | egrep $'\t8\t40[01][0-9][0-9][0-9]' | grep -c ${i}N ; done [2]

The numbers for skipped introns of 47, 52 and 48 nt, respectively, parallel the relative heights of siRNA peaks observed at this locus:

22
 5
28

To check the actual reads:

  • for i in 47 52 48; do samtools view samtoolsAligned.sortedByCoord.out.bam | egrep $'\t8\t40[01][0-9][0-9][0-9]' | grep ${i}N | less; done [2]

Most informative reads in the output are shown below; they adhere to siRNA characteristics typical for Cryptococcus, with a length of 20-24 nt [3] and a U as start-nucleotide.


Samtools analysis of 47N

Selected cDNAs [4] crossing the 47 nt gap in CNAG_03231:

218234_2           16      8       400963  255     22M47N2M        *       0       0       AGTTTATCTGCACTTGCTACTCCA          *         NH:i:1  HI:i:1  AS:i:24 nM:i:0
111057_6           16      8       400964  255     21M47N2M        *       0       0       GTTTATCTGCACTTGCTACTCCA           *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
52775_2            16      8       400974  255     11M47N10M       *       0       0       ACTTGCTACTCCACTTTCTGA             *         NH:i:1  HI:i:1  AS:i:21 nM:i:0
304314_6           16      8       400974  255     11M47N11M       *       0       0       ACTTGCTACTCCACTTTCTGAA            *         NH:i:1  HI:i:1  AS:i:22 nM:i:0
34661_7            16      8       400977  255     8M47N15M        *       0       0       TGCTACTCCACTTTCTGAATTCA           *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
45563_6            16      8       400977  255     8M47N16M        *       0       0       TGCTACTCCACTTTCTGAATTCAA          *         NH:i:1  HI:i:1  AS:i:24 nM:i:0
113319_20          16      8       400978  255     7M47N16M        *       0       0       GCTACTCCACTTTCTGAATTCAA           *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
225966_9           16      8       400978  255     7M47N15M        *       0       0       GCTACTCCACTTTCTGAATTCA            *         NH:i:1  HI:i:1  AS:i:22 nM:i:0
95287_21           16      8       400979  255     6M47N16M        *       0       0       CTACTCCACTTTCTGAATTCAA            *         NH:i:1  HI:i:1  AS:i:22 nM:i:0

Samtools analysis of 52N

All found reads that skip the intron of 52 nt in CNAG_03231:

8613_8          16      8       401069  255     11M52N13M       *       0       0       AGGAGGTACATTCGATCAATCTAA        *         NH:i:1  HI:i:1  AS:i:24 nM:i:0
287820_4        16      8       401069  255     11M52N12M       *       0       0       AGGAGGTACATTCGATCAATCTA         *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
791645_2        16      8       401070  255     10M52N13M       *       0       0       GGAGGTACATTCGATCAATCTAA         *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
81818_1         16      8       401070  255     10M52N12M       *       0       0       GGAGGTACATTCGATCAATCTA          *         NH:i:1  HI:i:1  AS:i:22 nM:i:0
339877_2        16      8       401072  255     8M52N13M        *       0       0       AGGTACATTCGATCAATCTAA           *         NH:i:1  HI:i:1  AS:i:21 nM:i:0

Samtools analysis of 48N

Selection of reads that bridge the 48 nt intron in CNAG_03231:

103518_15       16      8       401232  255     16M48N9M        *       0       0       CGGGACGCCACGCCCTCAACCCCTA                 *         NH:i:1  HI:i:1  AS:i:25 nM:i:0
127466_8        16      8       401233  255     15M48N9M        *       0       0       GGGACGCCACGCCCTCAACCCCTA                  *         NH:i:1  HI:i:1  AS:i:24 nM:i:0
194744_21       16      8       401234  255     14M48N9M        *       0       0       GGACGCCACGCCCTCAACCCCTA                   *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
9838_100        16      8       401235  255     13M48N9M        *       0       0       GACGCCACGCCCTCAACCCCTA                    *         NH:i:1  HI:i:1  AS:i:22 nM:i:0
370126_1        16      8       401235  255     13M48N10M       *       0       0       GACGCCACGCCCTCAACCCCTAC                   *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
183626_31       16      8       401236  255     12M48N9M        *       0       0       ACGCCACGCCCTCAACCCCTA                     *         NH:i:1  HI:i:1  AS:i:21 nM:i:0
266556_14       16      8       401237  255     11M48N9M        *       0       0       CGCCACGCCCTCAACCCCTA                      *         NH:i:1  HI:i:1  AS:i:20 nM:i:0
154010_5        16      8       401238  255     10M48N9M        *       0       0       GCCACGCCCTCAACCCCTA                       *         NH:i:1  HI:i:1  AS:i:19 nM:i:0


Reads with 62N gaps enriched in rde1Δ

When Rde1 is absent, hardly any siRNA reads were associated with Ago1. Therefore, reads representing loci that still raise siRNAs in this strain will be most abundant. Among uncollapsed reads and also for cDNAs, those with a 62 nt intron stood out, which were mostly mapping to a unique locus. Analogous to the detailed analysis to identify loci producing reads with a 73 nt gap enriched in rde2Δ, we can select alignments with 62 nt gaps in cDNAs for rde1Δ_1. From the work directory Burke-2019/:

  • cd STAR-analysis0-h99_collapsed/SRR8697586_collapsed_0mismatch-h99/

    or, for rde1Δ_2
  • cd STAR-analysis0-h99_collapsed/SRR8697587_collapsed_0mismatch-h99/

Of the cDNAs with ~60-70 nt gaps those with introns of 62 nt and 68 nt stand out [5]; the former are found by:

  • samtools view samtoolsAligned.sortedByCoord.out.bam | grep 62N | less

From the output, which is listed below for the first and second replicate, it can be concluded that the reads map to chromosome 6, to a locus (previously) annotated as CNAG_07650. As shown in the IGB browser (Fig. 2, right panel and bottom), two other, intron-containg reads are to be expected, of 57 and 68 nt. Reads crossing these introns have also been detected, as described for selections with grep 57N and grep 68N below.

CNAG_07650 introns, removed before formation of siRNAs

5’ flank

length

sequence

3’ flank

TCCTCTATG

57

GTGAGTCGGACACCTCTTGCAAGTCATGGCTCACTCTCACTCGACATACGCTTTCAG

TACCCAAGGGA

GCTCTGTCT

62

GTAAGCGGTCCACATTCACCGGATCTAAAAGGAGGTCGTACCAAGTACTGATGATAGGATAG

ACATCCTTTTC

CGATTTACA

68

GTATGTTTAGCAGTACCCGTAATAATCTTATTGCGCTCACCACTTTCCATTCATCTTGCTGTGGGCAG

GGAAAGACCTA

In the absence of Ago1 (see the ago1Δ RNA-Seq trace), spliced transcripts become detectable for this pseudo-gene. This indicates that RNAi is directed against these transcripts, but, in view of the siRNA mapping, after splicing has been completed.

../../_images/rde1indep-splicCNAG07650-68N.png

Figure 2. Reads across an 62 nt intron, relatively enriched in rde1Δ, mapped to CNAG_07650 on chr. 6.

Top left: Coalispr display of bedgraphs highlighting wild-type like traces (incl. rde1Δ; upper panel; and those with signals comparable to background (the negative control, lower panel).
Top right and Bottom: IGB traces; enlarged (to 1 nt resolution) are the sections with 57, 62 and 68 nt introns (bottom). Note the elevated levels of CNAG_07650 transcript in absence of RNAi (ago1Δ) vs. wild type (H99).


Return to the work directory:

  • cd ../..



Samtools analysis of rde1Δ_1

Check frequencies for reads bridging various intron-lengths.

62N.1

  • samtools view samtoolsAligned.sortedByCoord.out.bam | grep 62N | less

A selection of the output of this command, with reads bridging an intron of 62 nt, flanked by GCTCTGTCT at the 5’ splice site and by ACATCCTTTTC at the 3’ splice site:

4773_343        16      6       1372101 255     20M62N3M        *       0       0       ATACGTTATCTGCTCTGTCTACA           *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
13090_91        0       6       1372102 255     19M62N4M        *       0       0       TACGTTATCTGCTCTGTCTACAT           *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
442_1876        16      6       1372102 255     19M62N3M        *       0       0       TACGTTATCTGCTCTGTCTACA            *         NH:i:1  HI:i:1  AS:i:22 nM:i:0
470_489         16      6       1372103 255     18M62N3M        *       0       0       ACGTTATCTGCTCTGTCTACA             *         NH:i:1  HI:i:1  AS:i:21 nM:i:0
7978_68         16      6       1372112 255     9M62N16M        *       0       0       GCTCTGTCTACATCCTTTTCCTCTA         *         NH:i:1  HI:i:1  AS:i:25 nM:i:0
77907_141       16      6       1372113 255     8M62N16M        *       0       0       CTCTGTCTACATCCTTTTCCTCTA          *         NH:i:1  HI:i:1  AS:i:24 nM:i:0
151_16132       16      6       1372114 255     7M62N16M        *       0       0       TCTGTCTACATCCTTTTCCTCTA           *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
81047_70        16      6       1372114 255     7M62N12M        *       0       0       TCTGTCTACATCCTTTTCC               *         NH:i:1  HI:i:1  AS:i:19 nM:i:0
3738_1507       16      6       1372115 255     6M62N16M        *       0       0       CTGTCTACATCCTTTTCCTCTA            *         NH:i:1  HI:i:1  AS:i:22 nM:i:0
3112_2526       16      6       1372116 255     5M62N16M        *       0       0       TGTCTACATCCTTTTCCTCTA             *         NH:i:1  HI:i:1  AS:i:21 nM:i:0
2275_1351       16      6       1372118 3       3M62N21M        *       0       0       TCTACATCCTTTTCCTCTATCGAA          *         NH:i:2  HI:i:2  AS:i:24 nM:i:0
9784_932        16      6       1372118 3       3M62N20M        *       0       0       TCTACATCCTTTTCCTCTATCGA           *         NH:i:2  HI:i:1  AS:i:23 nM:i:0
2126_2300       16      6       1372119 3       2M62N21M        *       0       0       CTACATCCTTTTCCTCTATCGAA           *         NH:i:2  HI:i:1  AS:i:23 nM:i:0
3967_416        16      6       1372119 3       2M62N20M        *       0       0       CTACATCCTTTTCCTCTATCGA            *         NH:i:2  HI:i:2  AS:i:22 nM:i:0

68N.1

  • samtools view samtoolsAligned.sortedByCoord.out.bam | grep 68N | less

In transcripts from CNAG_07650 (no longer annotated as a coding gene) an intron of 68 nt flanked by, at the 5’ by CGATTTACA and at the 3’ end by GGAAAGACCTA, must have been spliced before siRNAs represented by the following reads were formed:

97642_19        16      6       1372254 255     21M68N4M        *       0       0       GGCGCCAAAAGTCGATTTACAGGAA         *         NH:i:1  HI:i:1  AS:i:25 nM:i:0
12411_574       16      6       1372255 255     20M68N3M        *       0       0       GCGCCAAAAGTCGATTTACAGGA           *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
26354_130       16      6       1372256 255     19M68N3M        *       0       0       CGCCAAAAGTCGATTTACAGGA            *         NH:i:1  HI:i:1  AS:i:22 nM:i:0
22610_261       16      6       1372257 255     18M68N4M        *       0       0       GCCAAAAGTCGATTTACAGGAA            *         NH:i:1  HI:i:1  AS:i:22 nM:i:0
42202_121       16      6       1372257 255     18M68N3M        *       0       0       GCCAAAAGTCGATTTACAGGA             *         NH:i:1  HI:i:1  AS:i:21 nM:i:0
26007_113       16      6       1372264 255     11M68N11M       *       0       0       GTCGATTTACAGGAAAGACCTA            *         NH:i:1  HI:i:1  AS:i:22 nM:i:0
7162_250        16      6       1372272 255     3M68N19M        *       0       0       ACAGGAAAGACCTACACTTGGA            *         NH:i:1  HI:i:1  AS:i:22 nM:i:0
18136_130       16      6       1372273 255     2M68N19M        *       0       0       CAGGAAAGACCTACACTTGGA             *         NH:i:1  HI:i:1  AS:i:21 nM:i:0

57N.1

Like the introns of 62 and 68 nt, the intron of 57 nt, flanked by TCCTCTATG at the 5’ end and by TACCCAAGGGA at the 3’ splice site, has been removed prior to the RNAi response:

  • samtools view samtoolsAligned.sortedByCoord.out.bam | grep 57N | less

  30417_41        16      6       1371948 255     21M57N2M        *       0       0       GCTGGCCAAACTTCCTCTATGTA           *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
  36842_53        16      6       1371949 255     20M57N2M        *       0       0       CTGGCCAAACTTCCTCTATGTA            *         NH:i:1  HI:i:1  AS:i:22 nM:i:0
  55878_55        16      6       1371950 255     19M57N2M        *       0       0       TGGCCAAACTTCCTCTATGTA             *         NH:i:1  HI:i:1  AS:i:21 nM:i:0
  31807_109       16      6       1371951 255     18M57N2M        *       0       0       GGCCAAACTTCCTCTATGTA              *         NH:i:1  HI:i:1  AS:i:20 nM:i:0
  89005_50        16      6       1371951 255     18M57N6M        *       0       0       GGCCAAACTTCCTCTATGTACCCA          *         NH:i:1  HI:i:1  AS:i:24 nM:i:0
 ...
| 6536_201        0       13      730691  0       13M57N9M        *       0       0       TGAATGATGAGGACTGGTACGG            *         NH:i:5  HI:i:1  AS:i:22 nM:i:0
| 11761_182       0       13      730691  0       13M57N10M       *       0       0       TGAATGATGAGGACTGGTACGGA           *         NH:i:5  HI:i:1  AS:i:23 nM:i:0
| 19850_75        0       13      730691  0       13M57N8M        *       0       0       TGAATGATGAGGACTGGTACG             *         NH:i:5  HI:i:1  AS:i:21 nM:i:0
| ...
| 30796_40        0       13      730695  0       9M57N12M        *       0       0       TGATGAGGACTGGTACGGATG             *         NH:i:5  HI:i:1  AS:i:21 nM:i:0
| 41793_2         0       13      730695  0       9M57N15M        *       0       0       TGATGAGGACTGGTACGGATGCTC          *         NH:i:5  HI:i:1  AS:i:24 nM:i:0
| 46264_208       0       13      730695  0       9M57N13M        *       0       0       TGATGAGGACTGGTACGGATGC            *         NH:i:5  HI:i:1  AS:i:22 nM:i:0
| 130291_77       0       13      730695  0       9M57N14M        *       0       0       TGATGAGGACTGGTACGGATGCT           *         NH:i:5  HI:i:1  AS:i:23 nM:i:0



Samtools analysis of rde1Δ_2

Frequencies for reads bridging various intron-lengths.

62N.2

  • samtools view samtoolsAligned.sortedByCoord.out.bam | grep 62N | less

65400_137       16      6       1372099 255     22M62N3M        *       0       0       ACATACGTTATCTGCTCTGTCTACA         *         NH:i:1  HI:i:1  AS:i:25 nM:i:0
31284_67        16      6       1372100 255     21M62N3M        *       0       0       CATACGTTATCTGCTCTGTCTACA          *         NH:i:1  HI:i:1  AS:i:24 nM:i:0
6821_480        16      6       1372101 255     20M62N3M        *       0       0       ATACGTTATCTGCTCTGTCTACA           *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
10029_70        0       6       1372102 255     19M62N4M        *       0       0       TACGTTATCTGCTCTGTCTACAT           *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
3076_2936       16      6       1372102 255     19M62N3M        *       0       0       TACGTTATCTGCTCTGTCTACA            *         NH:i:1  HI:i:1  AS:i:22 nM:i:0
4858_670        16      6       1372103 255     18M62N3M        *       0       0       ACGTTATCTGCTCTGTCTACA             *         NH:i:1  HI:i:1  AS:i:21 nM:i:0
19361_97        16      6       1372104 255     17M62N3M        *       0       0       CGTTATCTGCTCTGTCTACA              *         NH:i:1  HI:i:1  AS:i:20 nM:i:0
18011_119       16      6       1372112 255     9M62N16M        *       0       0       GCTCTGTCTACATCCTTTTCCTCTA         *         NH:i:1  HI:i:1  AS:i:25 nM:i:0
10588_248       16      6       1372113 255     8M62N16M        *       0       0       CTCTGTCTACATCCTTTTCCTCTA          *         NH:i:1  HI:i:1  AS:i:24 nM:i:0
962_21699       16      6       1372114 255     7M62N16M        *       0       0       TCTGTCTACATCCTTTTCCTCTA           *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
33959_76        16      6       1372114 255     7M62N12M        *       0       0       TCTGTCTACATCCTTTTCC               *         NH:i:1  HI:i:1  AS:i:19 nM:i:0
5502_2243       16      6       1372115 255     6M62N16M        *       0       0       CTGTCTACATCCTTTTCCTCTA            *         NH:i:1  HI:i:1  AS:i:22 nM:i:0
112_2737        16      6       1372116 255     5M62N16M        *       0       0       TGTCTACATCCTTTTCCTCTA             *         NH:i:1  HI:i:1  AS:i:21 nM:i:0
1057_72         16      6       1372117 255     4M62N16M        *       0       0       GTCTACATCCTTTTCCTCTA              *         NH:i:1  HI:i:1  AS:i:20 nM:i:0
4642_449        16      6       1372117 255     4M62N20M        *       0       0       GTCTACATCCTTTTCCTCTATCGA          *         NH:i:1  HI:i:1  AS:i:24 nM:i:0
6487_319        16      6       1372117 255     4M62N21M        *       0       0       GTCTACATCCTTTTCCTCTATCGAA         *         NH:i:1  HI:i:1  AS:i:25 nM:i:0
225_2659        16      6       1372118 3       3M62N21M        *       0       0       TCTACATCCTTTTCCTCTATCGAA          *         NH:i:2  HI:i:1  AS:i:24 nM:i:0
5683_1719       16      6       1372118 3       3M62N20M        *       0       0       TCTACATCCTTTTCCTCTATCGA           *         NH:i:2  HI:i:1  AS:i:23 nM:i:0
952_6646        16      6       1372119 3       2M62N21M        *       0       0       CTACATCCTTTTCCTCTATCGAA           *         NH:i:2  HI:i:1  AS:i:23 nM:i:0
3604_13         16      6       1372119 3       2M62N6M1D14M    *       0       0       CTACATCCTTTCCTCTATCGAA            *         NH:i:2  HI:i:2  AS:i:18 nM:i:0
4258_1039       16      6       1372119 3       2M62N20M        *       0       0       CTACATCCTTTTCCTCTATCGA            *         NH:i:2  HI:i:2  AS:i:22 nM:i:0
44263_33        16      6       1372119 3       2M62N23M        *       0       0       CTACATCCTTTTCCTCTATCGAATA         *         NH:i:2  HI:i:2  AS:i:25 nM:i:0

68N.2

  • samtools view samtoolsAligned.sortedByCoord.out.bam | grep 68N | less

51740_142       16      6       1372253 255     22M68N3M        *       0       0       TGGCGCCAAAAGTCGATTTACAGGA       *         NH:i:1  HI:i:1  AS:i:25 nM:i:0
196_382         16      6       1372254 255     21M68N3M        *       0       0       GGCGCCAAAAGTCGATTTACAGGA        *         NH:i:1  HI:i:1  AS:i:24 nM:i:0
4076_581        16      6       1372255 255     20M68N3M        *       0       0       GCGCCAAAAGTCGATTTACAGGA         *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
2919_168        16      6       1372256 255     19M68N3M        *       0       0       CGCCAAAAGTCGATTTACAGGA          *         NH:i:1  HI:i:1  AS:i:22 nM:i:0
1868_300        16      6       1372257 255     18M68N4M        *       0       0       GCCAAAAGTCGATTTACAGGAA          *         NH:i:1  HI:i:1  AS:i:22 nM:i:0
21005_103       16      6       1372257 255     18M68N3M        *       0       0       GCCAAAAGTCGATTTACAGGA           *         NH:i:1  HI:i:1  AS:i:21 nM:i:0
17473_84        16      6       1372271 255     4M68N19M        *       0       0       TACAGGAAAGACCTACACTTGGA         *         NH:i:1  HI:i:1  AS:i:23 nM:i:0
16493_371       16      6       1372272 255     3M68N19M        *       0       0       ACAGGAAAGACCTACACTTGGA          *         NH:i:1  HI:i:1  AS:i:22 nM:i:0

57N.2

  • samtools view samtoolsAligned.sortedByCoord.out.bam | grep 57N | less

  33192_109       16      6       1371951 255     18M57N2M        *       0       0       GGCCAAACTTCCTCTATGTA              *         NH:i:1  HI:i:1  AS:i:20 nM:i:0
  85469_51        16      6       1371951 255     18M57N6M        *       0       0       GGCCAAACTTCCTCTATGTACCCA          *         NH:i:1  HI:i:1  AS:i:24 nM:i:0
  ...
| 14662_190       0       13      730691  0       13M57N10M       *       0       0       TGAATGATGAGGACTGGTACGGA           *         NH:i:5  HI:i:1  AS:i:23 nM:i:0
| 20227_215       0       13      730691  0       13M57N9M        *       0       0       TGAATGATGAGGACTGGTACGG            *         NH:i:5  HI:i:1  AS:i:22 nM:i:0
| 22008_106       0       13      730691  0       13M57N8M        *       0       0       TGAATGATGAGGACTGGTACG             *         NH:i:5  HI:i:1  AS:i:21 nM:i:0
| ...
| 4301_97         0       13      730695  0       9M57N14M        *       0       0       TGATGAGGACTGGTACGGATGCT           *         NH:i:5  HI:i:1  AS:i:23 nM:i:0
| 13899_264       0       13      730695  0       9M57N13M        *       0       0       TGATGAGGACTGGTACGGATGC            *         NH:i:5  HI:i:1  AS:i:22 nM:i:0
| 21925_46        0       13      730695  0       9M57N12M        *       0       0       TGATGAGGACTGGTACGGATG             *         NH:i:5  HI:i:1  AS:i:21 nM:i:0


Reads with 73N gaps enriched in rde2Δ

For an analysis of alignments in the case of rde2Δ clone re2_1 (from the work directory Burke-2019/):

  • cd STAR-analysis0-h99_collapsed/SRR8697588_collapsed_0mismatch-h99/

Counting of intron-like gaps has been based on the presence of xxN within the cigar string for each alignment (in the 6th column in the alignments), where xx gives the number of skipped nucleotides to enable alignment of the two ends of the read. We can grep for this gap:

First check the number of candidates for multimappers (-c); 73 seems the right size for a peak [6]:

  • samtools view samtoolsAligned.sortedByCoord.out.bam | grep -c 73N

1689

Inspect the candidate reads that require a 73 nt gap to be aligned:

  • samtools view samtoolsAligned.sortedByCoord.out.bam | grep 73N | less

This will show many reads that align to single loci (especially around 108326-40 on chromosome 6). Because mainly multimappers were found to be enhanced that could bridge a 73 nt intron, we would like to filter the unique loci out. The single reads can be bypassed by an --invert-match, -v for unique mappers (NH:i:1\\s):

  • samtools view samtoolsAligned.sortedByCoord.out.bam | grep 73N | grep -v NH:i:1\\s | less

The loci in the output, from which a selection of abundant reads is reproduced, were also checked in the IGB genome browser. From these comparisons it can be concluded that:

  • Major loci where these reads map to are on chromosomes 1, 2, 3, 6, 7, 9, and 11.

  • These loci contain a element that is repeated in the reference genome:

    • once on chromosomes 1, 2, 3, 6 and 7;

    • twice on chr. 11 and

    • three times on chr. 9.

  • The repeated loci locate to the centromeres.

  • To some of these loci transcripts have been assigned that carry a 73 nt intron coinciding with the siRNA on the opposite strand.

73 nt introns, spliced prior to formation of siRNAs

locus

NH [7]

5’ flank

sequence

3’ flank

6:108380

1

CCTGTTTTGCA

GTAAGTAGCCAGTCAGCGGTGATTATTGTTGCGGCCTTTATCCTTCTTATAACGTTGACCCTTTAAGGCATAG

AGTTCTCACT

11:90550

7

AGGGTACTGAG

GTGCGTTGTCGGCTGTATTCCCTTTTGACTTCTGGGTATGATGTCTGTGCTGACAGGTTGCGGCTTGATCTAG

GTTCTTCGTC

9:804640

1

GGGGTACTGAG

GTGCGTTGTCAGCTGTATTCCCTTTTAACTTCTGGGTATGATGTCTGTGCTGACAGGTCGTGGCTTGATCTAG

GTTCTTCGTC

7:527210

1

AGGGTACTGAG

GTGCGTTGTCGGCTGTATTCCCTTTTAACTTCTGGGTATGATGTCCATGCTGACAGGTTGCGGCTTGATCTAG

GTTCTTCGTC

6:818825

1

AGGGTACTGAG

GTGCATTGTCGGCTGTATTCCCTTTTAACTTCTGGGTATGATGTCTGTGCTGACAGGTTGTGGCTTGATCTAG

GTTCTTCGTC


../../_images/igb-cen11-rep-rde2indep-splic.png

Figure 3. Reads mapped with 1 nt resolution bridging 73 nt introns

Mapping of bedgraphs in the IGB genome browser. Shown are the unique locus on chr. 6 (left) and one of the repeated centromeric loci (here on chr. 11; right), with mapped transcripts. The RPM scales differ between the unique chr. 6 reads (0.3 to 1K) and the multi-mapping siRNAs (20). In contrast to the 67 nt intron (right inset, bottom), which is present in the targeted CNAG_012519 transcript from the minus strand of chr. 6, the 73 nt intron (left inset, bottom), appears to be in the unannotated sense transcript on the plus strand. This 73 nt intron has splice sites CT..AC as found by comparing genomic to read sequences: the intron is flanked by TCCGGGTCGAAGTGAGAACT--73N--TGCAAAACAGGA.
For the chr. 11 locus (right inset, middle row), the IGB-alignment of siRNAs bridging the intron is incorrect; the 3’ flanking AG bars should have been placed at the 5’ boundary: GGGTACTGAG--73N--GTTCTTCGTCTTCTTCA.


While most reads with a 73 nucleotide gap map to centromeric repeat regions, one group of reads target ncRNA CNAG_12519, a unique locus (~108330-40) on the left arm of chromosome 6 nearby CNAG_02519 (Fig. 3 left panel). The population of siRNAs bridging a 73 nt gap appears to be minor in relation to the overall number of siRNAs generated for this locus. In view of the IGB alignments, this gap could refer to an intron spliced from a transcript on the same strand (opposite to CNAG_02519). Double-stranded RNA derived from sense-antisense transcription has been associated with siRNA synthesis in the presence of a core of maintained RNAi proteins [1] [Burroughs-2014]. In Cryptococcus, most siRNAs at a locus appear to be antisense to a transcript the level of which increases in the absence of RNAi (lane ago1Δ). Concomitantly, a less abundant group of siRNAs is found to be sense to this transcript. Thus, here we find that a less abundant siRNA could actually represent a spliced transcript from the same strand, while the majority of the same-stranded siRNAs are antisense to a transcript from the opposite strand. This observation suggests that RNAi related to double strandedness does not proceed in a symmetric manner. That is, there is preferential targetting of one transcript in the form of munro siRNAs, where two opposite transcripts are involved. This raises questions about the mechanism of siRNA generation.

RNA-transcripts from opposite strands, due to an unequal overlap of intronic regions that have been removed, will form imperfect double helices. Could the formation of double-strands interfere with transport or translation, with an RNAi response to overcome the problem as a result? Could the kind of bulges determine dicing? Or is the asymmetry linked to one transcript causing more problems, say during translation, than the one from the opposite strand?

The peak of multimapping cDNAs that could align by skipping the given gap of 73 nt in rde2Δ was the reason for looking at these introns. The reads associated with the repeated centromeric loci fit this observation.


../../_images/cen-rep-rde2indep-splic.png

Figure 4A. C. neoformans loci with 73 nt introns in H99 rde2Δ.

Top: Chromosome 1 CNAG_07950 locus (left) and Chromosome 2 (middle) and centromere locus (right).
Bottom: Chromosome 3 (left), centromere (middle) and locus with 73 nt intron (right).

Loci in h99_siRNAsegments.tsv with manually annotated features (olive-colored bar), were named like @3_nusc .. _k9, which indicated that the target transcript is on the opposite strand (@), is not uniq (nu), undergoes splicing (s) and is found within a centromeric region (c) that has been methylated on Lysine 9 of histone H3 (k9, [Dumesic-2015]).


../../_images/73N-chr67911.png

Figure 4B. C. neoformans loci with 73 nt introns in H99 rde2Δ (continued).

Top: Chromosome 6 CNAG_12519 locus (left) and the centromeric loci with only siRNAs in wildtype (wt) and rde2Δ cells, but not for rde1,3,4,5Δ.
Middle: Centromeres of chromosome 7 (left), and chromosome 9, which has three loci with a 73 nt intron (right).
Bottom: Two loci in the centromere of chromosome 11.


The match between gene exons, i.e. spliced transcripts, and siRNAs targeting them, including those bridging a 73 nt intron, supports the idea that an RNAi response occurs downstream of splicing. If splicing in Cryptococcus is mostly co-transcriptional in line with findings for yeast and mammals, RNAi could be triggered during nuclear export of transcripts or when these are being translated by ribosomes.

Return to the work directory:

  • cd ../..


Samtools analysis of rde2Δ_1

Here, described in some detail, is a selection from the bam file that was in the grep-output.

| ...
| 958607_1        0       1       982384  0       21M73N7M        *       0       0       GTTCGACTGGAGGGTACTGAGGTTCTTC    *       NH:i:9  HI:i:9  AS:i:28 nM:i:0
| 729686_2        16      1       982384  0       21M73N8M        *       0       0       GTTCGACTGGAGGGTACTGAGGTTCTTCG   *       NH:i:9  HI:i:8  AS:i:29 nM:i:0
| 18098_113       0       1       982385  0       20M73N2M        *       0       0       TTCGACTGGAGGGTACTGAGGT          *       NH:i:18 HI:i:7  AS:i:22 nM:i:0
| 38542_10        0       1       982385  0       20M73N3M        *       0       0       TTCGACTGGAGGGTACTGAGGTT         *       NH:i:9  HI:i:6  AS:i:23 nM:i:0
| ...
| 1316670_1       16      1       982394  0       11M73N18M       *       0       0       AGGGTACTGAGGTTCTTCGTCTTCTTCAT   *       NH:i:9  HI:i:4  AS:i:29 nM:i:0
| 6948_51         16      1       982394  0       11M73N10M       *       0       0       AGGGTACTGAGGTTCTTCGTC           *       NH:i:9  HI:i:6  AS:i:21 nM:i:0
| 34952_160       16      1       982394  0       11M73N8M        *       0       0       AGGGTACTGAGGTTCTTCG             *       NH:i:9  HI:i:6  AS:i:19 nM:i:0
| 59419_184       16      1       982394  0       11M73N17M       *       0       0       AGGGTACTGAGGTTCTTCGTCTTCTTCA    *       NH:i:9  HI:i:7  AS:i:28 nM:i:0
| 77200_97        16      1       982394  0       11M73N11M       *       0       0       AGGGTACTGAGGTTCTTCGTCT          *       NH:i:9  HI:i:5  AS:i:22 nM:i:0
| 255021_32       16      1       982394  0       11M73N12M       *       0       0       AGGGTACTGAGGTTCTTCGTCTT         *       NH:i:9  HI:i:4  AS:i:23 nM:i:0
| ...
| 1449983_1       16      1       982395  0       10M73N10M       *       0       0       GGGTACTGAGGTTCTTCGTC            *       NH:i:10 HI:i:5  AS:i:20 nM:i:0
| 71807_148       16      1       982395  0       10M73N17M       *       0       0       GGGTACTGAGGTTCTTCGTCTTCTTCA     *       NH:i:10 HI:i:5  AS:i:27 nM:i:0
| 215776_2        16      1       982395  0       10M73N21M       *       0       0       GGGTACTGAGGTTCTTCGTCTTCTTCATCCA *       NH:i:10 HI:i:7  AS:i:31 nM:i:0
| ...
| 840110_1        16      1       982399  0       6M73N16M        *       0       0       ACTGAGGTTCTTCGTCTTCTTC          *       NH:i:10 HI:i:2  AS:i:22 nM:i:0
| 3061_1296       16      1       982400  0       5M73N17M        *       0       0       CTGAGGTTCTTCGTCTTCTTCA          *       NH:i:10 HI:i:8  AS:i:22 nM:i:0
| 22791_20        16      1       982400  0       5M73N21M        *       0       0       CTGAGGTTCTTCGTCTTCTTCATCCA      *       NH:i:10 HI:i:9  AS:i:26 nM:i:0
| ...
| 1208513_2       16      1       982401  0       4M73N24M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCAATC    *       NH:i:10 HI:i:6  AS:i:28 nM:i:0
| 4888_238        16      1       982401  0       4M73N17M        *       0       0       TGAGGTTCTTCGTCTTCTTCA           *       NH:i:10 HI:i:9  AS:i:21 nM:i:0
| 29430_206       16      1       982401  0       4M73N21M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCA       *       NH:i:10 HI:i:6  AS:i:25 nM:i:0
| 134302_32       16      1       982401  0       4M73N22M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCAA      *       NH:i:10 HI:i:6  AS:i:26 nM:i:0
| 1112629_2       16      1       982401  0       4M73N19M        *       0       0       TGAGGTTCTTCGTCTTCTTCATC         *       NH:i:10 HI:i:9  AS:i:23 nM:i:0
| 941_2130        16      1       982402  0       3M73N21M        *       0       0       GAGGTTCTTCGTCTTCTTCATCCA        *       NH:i:10 HI:i:7  AS:i:24 nM:i:0
| 8093_136        16      1       982402  0       3M73N22M        *       0       0       GAGGTTCTTCGTCTTCTTCATCCAA       *       NH:i:10 HI:i:4  AS:i:25 nM:i:0
| 26122_49        16      1       982402  0       3M73N17M        *       0       0       GAGGTTCTTCGTCTTCTTCA            *       NH:i:10 HI:i:5  AS:i:20 nM:i:0
| 346340_1        16      1       982402  0       3M73N23M        *       0       0       GAGGTTCTTCGTCTTCTTCATCCAAT      *       NH:i:10 HI:i:9  AS:i:26 nM:i:0
| 432628_3        16      1       982402  0       3M73N20M        *       0       0       GAGGTTCTTCGTCTTCTTCATCC         *       NH:i:10 HI:i:4  AS:i:23 nM:i:0
| 483372_2        16      1       982402  0       3M73N24M        *       0       0       GAGGTTCTTCGTCTTCTTCATCCAATC     *       NH:i:10 HI:i:2  AS:i:27 nM:i:0
| 1279985_2       16      1       982403  0       2M73N28M        *       0       0       AGGTTCTTCGTCTTCTTCATCCAATCCTTG  *       NH:i:18 HI:i:8  AS:i:30 nM:i:0
| 145_17216       16      1       982403  0       2M73N22M        *       0       0       AGGTTCTTCGTCTTCTTCATCCAA        *       NH:i:20 HI:i:10 AS:i:24 nM:i:0
| 547_52406       16      1       982403  0       2M73N21M        *       0       0       AGGTTCTTCGTCTTCTTCATCCA         *       NH:i:20 HI:i:7  AS:i:23 nM:i:0
 ...

Note the entry 547_52406 at the end of the first column, which is the read name (see bam file description). After collapsing, the last digits provide the number of occurrences for individual cDNAs. High count numbers (like 52406, and further up 113, 160, 184, 97, 148, 1296, 238, 206, 2130, 136, 17216, 52406) for particular alignments point to a genomic region of interest, especially when other reads with a sequence overlap are found in the vicinity. Note the number of repeated mappings for these reads (12, 18, 9, 10, or 20); which is given by the 11th column, NH:i:xx. This is indicative for a repeated section and suitable for a transposon or remnants thereof. All these cDNAs were retrieved for the same expressed CNAG_07950 locus. The second column marks whether the read is on the plus (0) or minus (16) strand. The latter are antisense to CNAG_07950 transcripts, which is the expected strandedness for most siRNAs. In the collected alignments the ones that would not have been counted (because of a cigar string like: 8M1D11M73N2M or 10M1D11M73N2M) have been taken out.

The second region with significant hits is on chromosome 2:

| ...
| 1382464_1       0       2       850807  0       11M73N10M       *       0       0       AGGGTACTGAGGTTCTTCGTC           *       NH:i:9  HI:i:1  AS:i:21 nM:i:0
| 44211_60        0       2       850807  0       11M73N11M       *       0       0       AGGGTACTGAGGTTCTTCGTCT          *       NH:i:9  HI:i:7  AS:i:22 nM:i:0
| 58614_12        0       2       850807  0       11M73N12M       *       0       0       AGGGTACTGAGGTTCTTCGTCTT         *       NH:i:9  HI:i:5  AS:i:23 nM:i:0
| 1316670_1       16      2       850807  0       11M73N18M       *       0       0       AGGGTACTGAGGTTCTTCGTCTTCTTCAT   *       NH:i:9  HI:i:8  AS:i:29 nM:i:0
| 6948_51         16      2       850807  0       11M73N10M       *       0       0       AGGGTACTGAGGTTCTTCGTC           *       NH:i:9  HI:i:5  AS:i:21 nM:i:0
| 34952_160       16      2       850807  0       11M73N8M        *       0       0       AGGGTACTGAGGTTCTTCG             *       NH:i:9  HI:i:2  AS:i:19 nM:i:0
| 59419_184       16      2       850807  0       11M73N17M       *       0       0       AGGGTACTGAGGTTCTTCGTCTTCTTCA    *       NH:i:9  HI:i:4  AS:i:28 nM:i:0
| 77200_97        16      2       850807  0       11M73N11M       *       0       0       AGGGTACTGAGGTTCTTCGTCT          *       NH:i:9  HI:i:6  AS:i:22 nM:i:0
| 255021_32       16      2       850807  0       11M73N12M       *       0       0       AGGGTACTGAGGTTCTTCGTCTT         *       NH:i:9  HI:i:2  AS:i:23 nM:i:0
| ...
| 1324043_1       16      2       850809  0       9M73N20M        *       0       0       GGTACTGAGGTTCTTCGTCTTCTTCATCC   *       NH:i:10 HI:i:2  AS:i:29 nM:i:0
| 51981_235       16      2       850809  0       9M73N17M        *       0       0       GGTACTGAGGTTCTTCGTCTTCTTCA      *       NH:i:10 HI:i:1  AS:i:26 nM:i:0
| 500596_5        16      2       850809  0       9M73N21M        *       0       0       GGTACTGAGGTTCTTCGTCTTCTTCATCCA  *       NH:i:10 HI:i:3  AS:i:30 nM:i:0
| ...
| 1386944_1       16      2       850812  0       6M73N14M        *       0       0       ACTGAGGTTCTTCGTCTTCT            *       NH:i:10 HI:i:1  AS:i:20 nM:i:0
| 3025_622        16      2       850812  0       6M73N17M        *       0       0       ACTGAGGTTCTTCGTCTTCTTCA         *       NH:i:10 HI:i:4  AS:i:23 nM:i:0
| 8699_1          16      2       850812  0       6M73N15M        *       0       0       ACTGAGGTTCTTCGTCTTCTT           *       NH:i:10 HI:i:6  AS:i:21 nM:i:0
| 207702_26       16      2       850812  0       6M73N21M        *       0       0       ACTGAGGTTCTTCGTCTTCTTCATCCA     *       NH:i:10 HI:i:2  AS:i:27 nM:i:0
| 815089_5        16      2       850812  0       6M73N22M        *       0       0       ACTGAGGTTCTTCGTCTTCTTCATCCAA    *       NH:i:10 HI:i:1  AS:i:28 nM:i:0
| 840110_1        16      2       850812  0       6M73N16M        *       0       0       ACTGAGGTTCTTCGTCTTCTTC          *       NH:i:10 HI:i:4  AS:i:22 nM:i:0
| 3061_1296       16      2       850813  0       5M73N17M        *       0       0       CTGAGGTTCTTCGTCTTCTTCA          *       NH:i:10 HI:i:3  AS:i:22 nM:i:0
| 22791_20        16      2       850813  0       5M73N21M        *       0       0       CTGAGGTTCTTCGTCTTCTTCATCCA      *       NH:i:10 HI:i:8  AS:i:26 nM:i:0
| ...
| 279985_2        16      2       850816  0       2M73N28M        *       0       0       AGGTTCTTCGTCTTCTTCATCCAATCCTTG  *       NH:i:18 HI:i:9  AS:i:30 nM:i:0
| 145_17216       16      2       850816  0       2M73N22M        *       0       0       AGGTTCTTCGTCTTCTTCATCCAA        *       NH:i:20 HI:i:9  AS:i:24 nM:i:0
| 547_52406       16      2       850816  0       2M73N21M        *       0       0       AGGTTCTTCGTCTTCTTCATCCA         *       NH:i:20 HI:i:1  AS:i:23 nM:i:0
| 40968_35        16      2       850816  0       2M73N19M        *       0       0       AGGTTCTTCGTCTTCTTCATC           *       NH:i:20 HI:i:3  AS:i:21 nM:i:0
| 90608_18        16      2       850816  0       2M73N24M        *       0       0       AGGTTCTTCGTCTTCTTCATCCAATC      *       NH:i:20 HI:i:8  AS:i:26 nM:i:0
| ...
| 118691_29       16      2       850816  0       2M73N20M        *       0       0       AGGTTCTTCGTCTTCTTCATCC          *       NH:i:20 HI:i:9  AS:i:22 nM:i:0
| 145062_54       16      2       850816  0       2M73N17M        *       0       0       AGGTTCTTCGTCTTCTTCA             *       NH:i:20 HI:i:7  AS:i:19 nM:i:0
  ...

Other major loci where above reads map to are on chromosomes 3, 6, 7, 9, and 11:

| ...
| 448446_2        0       3       1401707 0       23M73N2M        *       0       0       ATTGGATGAAGAAGACGAAGAACCT       *       NH:i:20 HI:i:8  AS:i:25 nM:i:0
| 145_17216       0       3       1401708 0       22M73N2M        *       0       0       TTGGATGAAGAAGACGAAGAACCT        *       NH:i:20 HI:i:2  AS:i:24 nM:i:0
| 8093_136        0       3       1401708 0       22M73N3M        *       0       0       TTGGATGAAGAAGACGAAGAACCTC       *       NH:i:10 HI:i:9  AS:i:25 nM:i:0
| 134302_32       0       3       1401708 0       22M73N4M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCA      *       NH:i:10 HI:i:8  AS:i:26 nM:i:0
| 178341_2
| ...
| 547_52406       0       3       1401709 0       21M73N2M        *       0       0       TGGATGAAGAAGACGAAGAACCT         *       NH:i:20 HI:i:2  AS:i:23 nM:i:0
| 941_2130        0       3       1401709 0       21M73N3M        *       0       0       TGGATGAAGAAGACGAAGAACCTC        *       NH:i:10 HI:i:3  AS:i:24 nM:i:0
| 22791_20        0       3       1401709 0       21M73N5M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAG      *       NH:i:10 HI:i:10 AS:i:26 nM:i:0
| 29430_206       0       3       1401709 0       21M73N4M        *       0       0       TGGATGAAGAAGACGAAGAACCTCA       *       NH:i:10 HI:i:4  AS:i:25 nM:i:0
| 45670_51        0       3       1401709 0       21M73N7M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTA    *       NH:i:10 HI:i:7  AS:i:28 nM:i:0
  ...
  145006_2        0       6       108326  255     21M73N3M        *       0       0       GTCCGGGTCGAAGTGAGAACTTGC        *       NH:i:1  HI:i:1  AS:i:24 nM:i:0
  7730_1998       0       6       108327  255     20M73N3M        *       0       0       TCCGGGTCGAAGTGAGAACTTGC         *       NH:i:1  HI:i:1  AS:i:23 nM:i:0
  19324_191       0       6       108327  255     20M73N4M        *       0       0       TCCGGGTCGAAGTGAGAACTTGCA        *       NH:i:1  HI:i:1  AS:i:24 nM:i:0
  24253_480       0       6       108327  3       20M73N2M        *       0       0       TCCGGGTCGAAGTGAGAACTTG          *       NH:i:2  HI:i:2  AS:i:22 nM:i:0
  198483_10       0       6       108327  255     20M73N9M        *       0       0       TCCGGGTCGAAGTGAGAACTTGCAAAACA   *       NH:i:1  HI:i:1  AS:i:29 nM:i:0
  ...
  905853_1        0       6       108331  255     16M73N12M       *       0       0       GGTCGAAGTGAGAACTTGCAAAACAGGA    *       NH:i:1  HI:i:1  AS:i:28 nM:i:0
  60442_179       0       6       108333  255     14M73N9M        *       0       0       TCGAAGTGAGAACTTGCAAAACA         *       NH:i:1  HI:i:1  AS:i:23 nM:i:0
  149848_66       0       6       108333  255     14M73N8M        *       0       0       TCGAAGTGAGAACTTGCAAAAC          *       NH:i:1  HI:i:1  AS:i:22 nM:i:0
  167891_2        0       6       108333  255     14M73N6M        *       0       0       TCGAAGTGAGAACTTGCAAA            *       NH:i:1  HI:i:1  AS:i:20 nM:i:0
  ...
  1160351_1       16      6       108338  255     9M73N12M        *       0       0       GTGAGAACTTGCAAAACAGGA           *       NH:i:1  HI:i:1  AS:i:21 nM:i:0
  1466_794        0       6       108339  255     8M73N15M        *       0       0       TGAGAACTTGCAAAACAGGAGGC         *       NH:i:1  HI:i:1  AS:i:23 nM:i:0
  5973_7          0       6       108339  255     8M73N11M        *       0       0       TGAGAACTTGCAAAACAGG             *       NH:i:1  HI:i:1  AS:i:19 nM:i:0
  48071_263       0       6       108339  255     8M73N14M        *       0       0       TGAGAACTTGCAAAACAGGAGG          *       NH:i:1  HI:i:1  AS:i:22 nM:i:0
  92957_8         0       6       108339  255     8M73N18M        *       0       0       TGAGAACTTGCAAAACAGGAGGCGTC      *       NH:i:1  HI:i:1  AS:i:26 nM:i:0
  ...
| 729686_2        16      6       818801  0       21M73N8M        *       0       0       GTTCGACTGGAGGGTACTGAGGTTCTTCG   *       NH:i:9  HI:i:9  AS:i:29 nM:i:0
| 18098_113       0       6       818802  0       20M73N2M        *       0       0       TTCGACTGGAGGGTACTGAGGT          *       NH:i:18 HI:i:9  AS:i:22 nM:i:0
| 38542_10        0       6       818802  0       20M73N3M        *       0       0       TTCGACTGGAGGGTACTGAGGTT         *       NH:i:9  HI:i:9  AS:i:23 nM:i:0
| ...
| 1208513_2       16      6       818818  0       4M73N24M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCAATC    *       NH:i:10 HI:i:4  AS:i:28 nM:i:0
| 4888_238        16      6       818818  0       4M73N17M        *       0       0       TGAGGTTCTTCGTCTTCTTCA           *       NH:i:10 HI:i:6  AS:i:21 nM:i:0
| 29430_206       16      6       818818  0       4M73N21M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCA       *       NH:i:10 HI:i:2  AS:i:25 nM:i:0
| 134302_32       16      6       818818  0       4M73N22M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCAA      *       NH:i:10 HI:i:7  AS:i:26 nM:i:0
| 1112629_2       16      6       818818  0       4M73N19M        *       0       0       TGAGGTTCTTCGTCTTCTTCATC         *       NH:i:10 HI:i:5  AS:i:23 nM:i:0
| 941_2130        16      6       818819  0       3M73N21M        *       0       0       GAGGTTCTTCGTCTTCTTCATCCA        *       NH:i:10 HI:i:1  AS:i:24 nM:i:0
| 8093_136        16      6       818819  0       3M73N22M        *       0       0       GAGGTTCTTCGTCTTCTTCATCCAA       *       NH:i:10 HI:i:10 AS:i:25 nM:i:0
| 26122_49        16      6       818819  0       3M73N17M        *       0       0       GAGGTTCTTCGTCTTCTTCA            *       NH:i:10 HI:i:6  AS:i:20 nM:i:0
  ...
  ...
  1030268_4       0       7       527202  0       22M73N7M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCAGTA   *       NH:i:10 HI:i:8  AS:i:29 nM:i:0
  547_52406       0       7       527203  0       21M73N2M        *       0       0       TGGATGAAGAAGACGAAGAACCT         *       NH:i:20 HI:i:9  AS:i:23 nM:i:0
  941_2130        0       7       527203  0       21M73N3M        *       0       0       TGGATGAAGAAGACGAAGAACCTC        *       NH:i:10 HI:i:9  AS:i:24 nM:i:0
  22791_20        0       7       527203  0       21M73N5M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAG      *       NH:i:10 HI:i:2  AS:i:26 nM:i:0
  29430_206       0       7       527203  0       21M73N4M        *       0       0       TGGATGAAGAAGACGAAGAACCTCA       *       NH:i:10 HI:i:3  AS:i:25 nM:i:0
  45670_51        0       7       527203  0       21M73N7M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTA    *       NH:i:10 HI:i:4  AS:i:28 nM:i:0
  207702_26       0       7       527203  0       21M73N6M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGT     *       NH:i:10 HI:i:1  AS:i:27 nM:i:0
  ...
  620579_1        16      7       527206  0       18M73N4M        *       0       0       ATGAAGAAGACGAAGAACCTCA          *       NH:i:10 HI:i:6  AS:i:22 nM:i:0
  3025_622        0       7       527207  0       17M73N6M        *       0       0       TGAAGAAGACGAAGAACCTCAGT         *       NH:i:10 HI:i:2  AS:i:23 nM:i:0
  3061_1296       0       7       527207  0       17M73N5M        *       0       0       TGAAGAAGACGAAGAACCTCAG          *       NH:i:10 HI:i:9  AS:i:22 nM:i:0
  4888_238        0       7       527207  0       17M73N4M        *       0       0       TGAAGAAGACGAAGAACCTCA           *       NH:i:10 HI:i:7  AS:i:21 nM:i:0
  26122_49        0       7       527207  0       17M73N3M        *       0       0       TGAAGAAGACGAAGAACCTC            *       NH:i:10 HI:i:3  AS:i:20 nM:i:0
  51981_235       0       7       527207  0       17M73N9M        *       0       0       TGAAGAAGACGAAGAACCTCAGTACC      *       NH:i:10 HI:i:10 AS:i:26 nM:i:0
  59419_184       0       7       527207  0       17M73N11M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCCT    *       NH:i:9  HI:i:6  AS:i:28 nM:i:0
  71807_148       0       7       527207  0       17M73N10M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCC     *       NH:i:10 HI:i:10 AS:i:27 nM:i:0
  75411_29        0       7       527207  0       17M73N7M        *       0       0       TGAAGAAGACGAAGAACCTCAGTA        *       NH:i:10 HI:i:2  AS:i:24 nM:i:0
  145062_54       0       7       527207  0       17M73N2M        *       0       0       TGAAGAAGACGAAGAACCT             *       NH:i:20 HI:i:6  AS:i:19 nM:i:0
  ...
  ...
| 448446_2        0       9       804566  0       23M73N2M        *       0       0       ATTGGATGAAGAAGACGAAGAACCT       *       NH:i:20 HI:i:10 AS:i:25 nM:i:0
| 145_17216       0       9       804567  0       22M73N2M        *       0       0       TTGGATGAAGAAGACGAAGAACCT        *       NH:i:20 HI:i:3  AS:i:24 nM:i:0
| 8093_136        0       9       804567  0       22M73N3M        *       0       0       TTGGATGAAGAAGACGAAGAACCTC       *       NH:i:10 HI:i:2  AS:i:25 nM:i:0
| 134302_32       0       9       804567  0       22M73N4M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCA      *       NH:i:10 HI:i:1  AS:i:26 nM:i:0
| 815089_5        0       9       804567  0       22M73N6M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCAGT    *       NH:i:10 HI:i:2  AS:i:28 nM:i:0
| 827466_7        0       9       804567  0       22M73N5M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCAG     *       NH:i:10 HI:i:1  AS:i:27 nM:i:0
| 1030268_4       0       9       804567  0       22M73N7M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCAGTA   *       NH:i:10 HI:i:6  AS:i:29 nM:i:0
| 547_52406       0       9       804568  0       21M73N2M        *       0       0       TGGATGAAGAAGACGAAGAACCT         *       NH:i:20 HI:i:6  AS:i:23 nM:i:0
| 941_2130        0       9       804568  0       21M73N3M        *       0       0       TGGATGAAGAAGACGAAGAACCTC        *       NH:i:10 HI:i:8  AS:i:24 nM:i:0
| 22791_20        0       9       804568  0       21M73N5M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAG      *       NH:i:10 HI:i:3  AS:i:26 nM:i:0
| 29430_206       0       9       804568  0       21M73N4M        *       0       0       TGGATGAAGAAGACGAAGAACCTCA       *       NH:i:10 HI:i:9  AS:i:25 nM:i:0
| 45670_51        0       9       804568  0       21M73N7M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTA    *       NH:i:10 HI:i:5  AS:i:28 nM:i:0
| 207702_26       0       9       804568  0       21M73N6M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGT     *       NH:i:10 HI:i:10 AS:i:27 nM:i:0
| ...
| 620579_1        16      9       804571  0       18M73N4M        *       0       0       ATGAAGAAGACGAAGAACCTCA          *       NH:i:10 HI:i:10 AS:i:22 nM:i:0
| 3025_622        0       9       804572  0       17M73N6M        *       0       0       TGAAGAAGACGAAGAACCTCAGT         *       NH:i:10 HI:i:9  AS:i:23 nM:i:0
| 3061_1296       0       9       804572  0       17M73N5M        *       0       0       TGAAGAAGACGAAGAACCTCAG          *       NH:i:10 HI:i:1  AS:i:22 nM:i:0
| 4888_238        0       9       804572  0       17M73N4M        *       0       0       TGAAGAAGACGAAGAACCTCA           *       NH:i:10 HI:i:1  AS:i:21 nM:i:0
| 26122_49        0       9       804572  0       17M73N3M        *       0       0       TGAAGAAGACGAAGAACCTC            *       NH:i:10 HI:i:2  AS:i:20 nM:i:0
| 51981_235       0       9       804572  0       17M73N9M        *       0       0       TGAAGAAGACGAAGAACCTCAGTACC      *       NH:i:10 HI:i:3  AS:i:26 nM:i:0
| 71807_148       0       9       804572  0       17M73N10M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCC     *       NH:i:10 HI:i:9  AS:i:27 nM:i:0
| 75411_29        0       9       804572  0       17M73N7M        *       0       0       TGAAGAAGACGAAGAACCTCAGTA        *       NH:i:10 HI:i:6  AS:i:24 nM:i:0
| 145062_54       0       9       804572  0       17M73N2M        *       0       0       TGAAGAAGACGAAGAACCT             *       NH:i:20 HI:i:2  AS:i:19 nM:i:0
  ...
  448446_2        0       9       819503  0       23M73N2M        *       0       0       ATTGGATGAAGAAGACGAAGAACCT       *       NH:i:20 HI:i:3  AS:i:25 nM:i:0
  145_17216       0       9       819504  0       22M73N2M        *       0       0       TTGGATGAAGAAGACGAAGAACCT        *       NH:i:20 HI:i:6  AS:i:24 nM:i:0
  8093_136        0       9       819504  0       22M73N3M        *       0       0       TTGGATGAAGAAGACGAAGAACCTC       *       NH:i:10 HI:i:1  AS:i:25 nM:i:0
  134302_32       0       9       819504  0       22M73N4M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCA      *       NH:i:10 HI:i:5  AS:i:26 nM:i:0
  815089_5        0       9       819504  0       22M73N6M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCAGT    *       NH:i:10 HI:i:9  AS:i:28 nM:i:0
  827466_7        0       9       819504  0       22M73N5M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCAG     *       NH:i:10 HI:i:6  AS:i:27 nM:i:0
  1030268_4       0       9       819504  0       22M73N7M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCAGTA   *       NH:i:10 HI:i:2  AS:i:29 nM:i:0
  547_52406       0       9       819505  0       21M73N2M        *       0       0       TGGATGAAGAAGACGAAGAACCT         *       NH:i:20 HI:i:8  AS:i:23 nM:i:0
  941_2130        0       9       819505  0       21M73N3M        *       0       0       TGGATGAAGAAGACGAAGAACCTC        *       NH:i:10 HI:i:10 AS:i:24 nM:i:0
  22791_20        0       9       819505  0       21M73N5M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAG      *       NH:i:10 HI:i:1  AS:i:26 nM:i:0
  29430_206       0       9       819505  0       21M73N4M        *       0       0       TGGATGAAGAAGACGAAGAACCTCA       *       NH:i:10 HI:i:7  AS:i:25 nM:i:0
  45670_51        0       9       819505  0       21M73N7M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTA    *       NH:i:10 HI:i:9  AS:i:28 nM:i:0
  207702_26       0       9       819505  0       21M73N6M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGT     *       NH:i:10 HI:i:6  AS:i:27 nM:i:0
  ...
  620579_1        16      9       819508  0       18M73N4M        *       0       0       ATGAAGAAGACGAAGAACCTCA          *       NH:i:10 HI:i:9  AS:i:22 nM:i:0
  3025_622        0       9       819509  0       17M73N6M        *       0       0       TGAAGAAGACGAAGAACCTCAGT         *       NH:i:10 HI:i:1  AS:i:23 nM:i:0
  3061_1296       0       9       819509  0       17M73N5M        *       0       0       TGAAGAAGACGAAGAACCTCAG          *       NH:i:10 HI:i:6  AS:i:22 nM:i:0
  4888_238        0       9       819509  0       17M73N4M        *       0       0       TGAAGAAGACGAAGAACCTCA           *       NH:i:10 HI:i:8  AS:i:21 nM:i:0
  26122_49        0       9       819509  0       17M73N3M        *       0       0       TGAAGAAGACGAAGAACCTC            *       NH:i:10 HI:i:8  AS:i:20 nM:i:0
  51981_235       0       9       819509  0       17M73N9M        *       0       0       TGAAGAAGACGAAGAACCTCAGTACC      *       NH:i:10 HI:i:8  AS:i:26 nM:i:0
  59419_184       0       9       819509  0       17M73N11M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCCT    *       NH:i:9  HI:i:2  AS:i:28 nM:i:0
  71807_148       0       9       819509  0       17M73N10M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCC     *       NH:i:10 HI:i:4  AS:i:27 nM:i:0
  75411_29        0       9       819509  0       17M73N7M        *       0       0       TGAAGAAGACGAAGAACCTCAGTA        *       NH:i:10 HI:i:3  AS:i:24 nM:i:0
  145062_54       0       9       819509  0       17M73N2M        *       0       0       TGAAGAAGACGAAGAACCT             *       NH:i:20 HI:i:5  AS:i:19 nM:i:0
  ...
| 448446_2        0       9       820485  0       23M73N2M        *       0       0       ATTGGATGAAGAAGACGAAGAACCT       *       NH:i:20 HI:i:6  AS:i:25 nM:i:0
| 145_17216       0       9       820486  0       22M73N2M        *       0       0       TTGGATGAAGAAGACGAAGAACCT        *       NH:i:20 HI:i:5  AS:i:24 nM:i:0
| 8093_136        0       9       820486  0       22M73N3M        *       0       0       TTGGATGAAGAAGACGAAGAACCTC       *       NH:i:10 HI:i:3  AS:i:25 nM:i:0
| 134302_32       0       9       820486  0       22M73N4M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCA      *       NH:i:10 HI:i:2  AS:i:26 nM:i:0
| ...
| 1030268_4       0       9       820486  0       22M73N7M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCAGTA   *       NH:i:10 HI:i:7  AS:i:29 nM:i:0
| 547_52406       0       9       820487  0       21M73N2M        *       0       0       TGGATGAAGAAGACGAAGAACCT         *       NH:i:20 HI:i:3  AS:i:23 nM:i:0
| 941_2130        0       9       820487  0       21M73N3M        *       0       0       TGGATGAAGAAGACGAAGAACCTC        *       NH:i:10 HI:i:6  AS:i:24 nM:i:0
| 22791_20        0       9       820487  0       21M73N5M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAG      *       NH:i:10 HI:i:7  AS:i:26 nM:i:0
| 29430_206       0       9       820487  0       21M73N4M        *       0       0       TGGATGAAGAAGACGAAGAACCTCA       *       NH:i:10 HI:i:8  AS:i:25 nM:i:0
| 45670_51        0       9       820487  0       21M73N7M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTA    *       NH:i:10 HI:i:3  AS:i:28 nM:i:0
| 207702_26       0       9       820487  0       21M73N6M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGT     *       NH:i:10 HI:i:7  AS:i:27 nM:i:0
| ...
| 620579_1        16      9       820490  0       18M73N4M        *       0       0       ATGAAGAAGACGAAGAACCTCA          *       NH:i:10 HI:i:5  AS:i:22 nM:i:0
| 3025_622        0       9       820491  0       17M73N6M        *       0       0       TGAAGAAGACGAAGAACCTCAGT         *       NH:i:10 HI:i:8  AS:i:23 nM:i:0
| 3061_1296       0       9       820491  0       17M73N5M        *       0       0       TGAAGAAGACGAAGAACCTCAG          *       NH:i:10 HI:i:7  AS:i:22 nM:i:0
| 4888_238        0       9       820491  0       17M73N4M        *       0       0       TGAAGAAGACGAAGAACCTCA           *       NH:i:10 HI:i:5  AS:i:21 nM:i:0
| 26122_49        0       9       820491  0       17M73N3M        *       0       0       TGAAGAAGACGAAGAACCTC            *       NH:i:10 HI:i:9  AS:i:20 nM:i:0
| 51981_235       0       9       820491  0       17M73N9M        *       0       0       TGAAGAAGACGAAGAACCTCAGTACC      *       NH:i:10 HI:i:9  AS:i:26 nM:i:0
| 59419_184       0       9       820491  0       17M73N11M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCCT    *       NH:i:9  HI:i:1  AS:i:28 nM:i:0
| 71807_148       0       9       820491  0       17M73N10M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCC     *       NH:i:10 HI:i:6  AS:i:27 nM:i:0
| 75411_29        0       9       820491  0       17M73N7M        *       0       0       TGAAGAAGACGAAGAACCTCAGTA        *       NH:i:10 HI:i:7  AS:i:24 nM:i:0
| 145062_54       0       9       820491  0       17M73N2M        *       0       0       TGAAGAAGACGAAGAACCT             *       NH:i:20 HI:i:9  AS:i:19 nM:i:0
| ...
| 58614_12        16      9       820496  0       12M73N11M       *       0       0       AAGACGAAGAACCTCAGTACCCT         *       NH:i:9  HI:i:2  AS:i:23 nM:i:0
| 1324337_1       0       9       820497  0       11M73N16M       *       0       0       AGACGAAGAACCTCAGTACCCTCCAGT     *       NH:i:9  HI:i:1  AS:i:27 nM:i:0
| 77200_97        0       9       820497  0       11M73N11M       *       0       0       AGACGAAGAACCTCAGTACCCT          *       NH:i:9  HI:i:2  AS:i:22 nM:i:0
| 296263_1        0       9       820497  0       11M73N8M        *       0       0       AGACGAAGAACCTCAGTAC             *       NH:i:10 HI:i:10 AS:i:19 nM:i:0
| ...
| 047965_1        16      9       820499  0       9M73N20M        *       0       0       ACGAAGAACCTCAGTACCCTCCAGTCGAA   *       NH:i:9  HI:i:5  AS:i:29 nM:i:0
| 34952_160       0       9       820500  0       8M73N11M        *       0       0       CGAAGAACCTCAGTACCCT             *       NH:i:9  HI:i:9  AS:i:19 nM:i:0
| 78116_1         0       9       820500  0       8M73N16M        *       0       0       CGAAGAACCTCAGTACCCTCCAGT        *       NH:i:9  HI:i:8  AS:i:24 nM:i:0
| 113562_55       0       9       820500  0       8M73N14M        *       0       0       CGAAGAACCTCAGTACCCTCCA          *       NH:i:9  HI:i:8  AS:i:22 nM:i:0
| 115290_16       0       9       820500  0       8M73N13M        *       0       0       CGAAGAACCTCAGTACCCTCC           *       NH:i:9  HI:i:3  AS:i:21 nM:i:0
  ...
  ...
  958607_1        0       11      905536  0       21M73N7M        *       0       0       GTTCGACTGGAGGGTACTGAGGTTCTTC    *       NH:i:9  HI:i:8  AS:i:28 nM:i:0
  729686_2        16      11      905536  0       21M73N8M        *       0       0       GTTCGACTGGAGGGTACTGAGGTTCTTCG   *       NH:i:9  HI:i:4  AS:i:29 nM:i:0
  18098_113       0       11      905537  0       20M73N2M        *       0       0       TTCGACTGGAGGGTACTGAGGT          *       NH:i:18 HI:i:5  AS:i:22 nM:i:0
  38542_10        0       11      905537  0       20M73N3M        *       0       0       TTCGACTGGAGGGTACTGAGGTT         *       NH:i:9  HI:i:2  AS:i:23 nM:i:0
  ...
  1316670_1       16      11      905546  0       11M73N18M       *       0       0       AGGGTACTGAGGTTCTTCGTCTTCTTCAT   *       NH:i:9  HI:i:9  AS:i:29 nM:i:0
  6948_51         16      11      905546  0       11M73N10M       *       0       0       AGGGTACTGAGGTTCTTCGTC           *       NH:i:9  HI:i:9  AS:i:21 nM:i:0
  34952_160       16      11      905546  0       11M73N8M        *       0       0       AGGGTACTGAGGTTCTTCG             *       NH:i:9  HI:i:5  AS:i:19 nM:i:0
  59419_184       16      11      905546  0       11M73N17M       *       0       0       AGGGTACTGAGGTTCTTCGTCTTCTTCA    *       NH:i:9  HI:i:9  AS:i:28 nM:i:0
  77200_97        16      11      905546  0       11M73N11M       *       0       0       AGGGTACTGAGGTTCTTCGTCT          *       NH:i:9  HI:i:7  AS:i:22 nM:i:0
  255021_32       16      11      905546  0       11M73N12M       *       0       0       AGGGTACTGAGGTTCTTCGTCTT         *       NH:i:9  HI:i:6  AS:i:23 nM:i:0
  294173_3        16      11      905546  0       11M73N14M       *       0       0       AGGGTACTGAGGTTCTTCGTCTTCT       *       NH:i:9  HI:i:5  AS:i:25 nM:i:0
  ...
  1449983_1       16      11      905547  0       10M73N10M       *       0       0       GGGTACTGAGGTTCTTCGTC            *       NH:i:10 HI:i:6  AS:i:20 nM:i:0
  71807_148       16      11      905547  0       10M73N17M       *       0       0       GGGTACTGAGGTTCTTCGTCTTCTTCA     *       NH:i:10 HI:i:2  AS:i:27 nM:i:0
  215776_2        16      11      905547  0       10M73N21M       *       0       0       GGGTACTGAGGTTCTTCGTCTTCTTCATCCA *       NH:i:10 HI:i:5  AS:i:31 nM:i:0
  ...
  1324043_1       16      11      905548  0       9M73N20M        *       0       0       GGTACTGAGGTTCTTCGTCTTCTTCATCC   *       NH:i:10 HI:i:8  AS:i:29 nM:i:0
  51981_235       16      11      905548  0       9M73N17M        *       0       0       GGTACTGAGGTTCTTCGTCTTCTTCA      *       NH:i:10 HI:i:5  AS:i:26 nM:i:0
  500596_5        16      11      905548  0       9M73N21M        *       0       0       GGTACTGAGGTTCTTCGTCTTCTTCATCCA  *       NH:i:10 HI:i:5  AS:i:30 nM:i:0
  ...
  840110_1        16      11      905551  0       6M73N16M        *       0       0       ACTGAGGTTCTTCGTCTTCTTC          *       NH:i:10 HI:i:3  AS:i:22 nM:i:0
  3061_1296       16      11      905552  0       5M73N17M        *       0       0       CTGAGGTTCTTCGTCTTCTTCA          *       NH:i:10 HI:i:10 AS:i:22 nM:i:0
  22791_20        16      11      905552  0       5M73N21M        *       0       0       CTGAGGTTCTTCGTCTTCTTCATCCA      *       NH:i:10 HI:i:6  AS:i:26 nM:i:0
  ...
  1208513_2       16      11      905553  0       4M73N24M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCAATC    *       NH:i:10 HI:i:1  AS:i:28 nM:i:0
  4888_238        16      11      905553  0       4M73N17M        *       0       0       TGAGGTTCTTCGTCTTCTTCA           *       NH:i:10 HI:i:4  AS:i:21 nM:i:0
  29430_206       16      11      905553  0       4M73N21M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCA       *       NH:i:10 HI:i:5  AS:i:25 nM:i:0
  134302_32       16      11      905553  0       4M73N22M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCAA      *       NH:i:10 HI:i:3  AS:i:26 nM:i:0
  ...
  1279985_2       16      11      905555  0       2M73N28M        *       0       0       AGGTTCTTCGTCTTCTTCATCCAATCCTTG  *       NH:i:18 HI:i:7  AS:i:30 nM:i:0
  145_17216       16      11      905555  0       2M73N22M        *       0       0       AGGTTCTTCGTCTTCTTCATCCAA        *       NH:i:20 HI:i:8  AS:i:24 nM:i:0
  547_52406       16      11      905555  0       2M73N21M        *       0       0       AGGTTCTTCGTCTTCTTCATCCA         *       NH:i:20 HI:i:10 AS:i:23 nM:i:0
  40968_35        16      11      905555  0       2M73N19M        *       0       0       AGGTTCTTCGTCTTCTTCATC           *       NH:i:20 HI:i:1  AS:i:21 nM:i:0
  90608_18        16      11      905555  0       2M73N24M        *       0       0       AGGTTCTTCGTCTTCTTCATCCAATC      *       NH:i:20 HI:i:6  AS:i:26 nM:i:0
  118691_29       16      11      905555  0       2M73N20M        *       0       0       AGGTTCTTCGTCTTCTTCATCC          *       NH:i:20 HI:i:2  AS:i:22 nM:i:0
  145062_54       16      11      905555  0       2M73N17M        *       0       0       AGGTTCTTCGTCTTCTTCA             *       NH:i:20 HI:i:4  AS:i:19 nM:i:0
  ...
| 448446_2        0       11      915039  0       23M73N2M        *       0       0       ATTGGATGAAGAAGACGAAGAACCT       *       NH:i:20 HI:i:1  AS:i:25 nM:i:0
| 145_17216       0       11      915040  0       22M73N2M        *       0       0       TTGGATGAAGAAGACGAAGAACCT        *       NH:i:20 HI:i:4  AS:i:24 nM:i:0
| 8093_136        0       11      915040  0       22M73N3M        *       0       0       TTGGATGAAGAAGACGAAGAACCTC       *       NH:i:10 HI:i:8  AS:i:25 nM:i:0
| 134302_32       0       11      915040  0       22M73N4M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCA      *       NH:i:10 HI:i:10 AS:i:26 nM:i:0
| ...
| 1030268_4       0       11      915040  0       22M73N7M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCAGTA   *       NH:i:10 HI:i:10 AS:i:29 nM:i:0
| 547_52406       0       11      915041  0       21M73N2M        *       0       0       TGGATGAAGAAGACGAAGAACCT         *       NH:i:20 HI:i:5  AS:i:23 nM:i:0
| 941_2130        0       11      915041  0       21M73N3M        *       0       0       TGGATGAAGAAGACGAAGAACCTC        *       NH:i:10 HI:i:4  AS:i:24 nM:i:0
| 22791_20        0       11      915041  0       21M73N5M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAG      *       NH:i:10 HI:i:5  AS:i:26 nM:i:0
| 29430_206       0       11      915041  0       21M73N4M        *       0       0       TGGATGAAGAAGACGAAGAACCTCA       *       NH:i:10 HI:i:1  AS:i:25 nM:i:0
| 45670_51        0       11      915041  0       21M73N7M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTA    *       NH:i:10 HI:i:1  AS:i:28 nM:i:0
| ...
| 620579_1        16      11      915044  0       18M73N4M        *       0       0       ATGAAGAAGACGAAGAACCTCA          *       NH:i:10 HI:i:2  AS:i:22 nM:i:0
| 3025_622        0       11      915045  0       17M73N6M        *       0       0       TGAAGAAGACGAAGAACCTCAGT         *       NH:i:10 HI:i:10 AS:i:23 nM:i:0
| 3061_1296       0       11      915045  0       17M73N5M        *       0       0       TGAAGAAGACGAAGAACCTCAG          *       NH:i:10 HI:i:4  AS:i:22 nM:i:0
| 4888_238        0       11      915045  0       17M73N4M        *       0       0       TGAAGAAGACGAAGAACCTCA           *       NH:i:10 HI:i:10 AS:i:21 nM:i:0
| 26122_49        0       11      915045  0       17M73N3M        *       0       0       TGAAGAAGACGAAGAACCTC            *       NH:i:10 HI:i:7  AS:i:20 nM:i:0
| 51981_235       0       11      915045  0       17M73N9M        *       0       0       TGAAGAAGACGAAGAACCTCAGTACC      *       NH:i:10 HI:i:2  AS:i:26 nM:i:0
| 59419_184       0       11      915045  0       17M73N11M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCCT    *       NH:i:9  HI:i:3  AS:i:28 nM:i:0
| 71807_148       0       11      915045  0       17M73N10M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCC     *       NH:i:10 HI:i:7  AS:i:27 nM:i:0
| 75411_29        0       11      915045  0       17M73N7M        *       0       0       TGAAGAAGACGAAGAACCTCAGTA        *       NH:i:10 HI:i:4  AS:i:24 nM:i:0
| 145062_54       0       11      915045  0       17M73N2M        *       0       0       TGAAGAAGACGAAGAACCT             *       NH:i:20 HI:i:8  AS:i:19 nM:i:0
| ...
| 1047965_1       16      11      915053  0       9M73N20M        *       0       0       ACGAAGAACCTCAGTACCCTCCAGTCGAA   *       NH:i:9  HI:i:4  AS:i:29 nM:i:0
| 34952_160       0       11      915054  0       8M73N11M        *       0       0       CGAAGAACCTCAGTACCCT             *       NH:i:9  HI:i:4  AS:i:19 nM:i:0
| 78116_1         0       11      915054  0       8M73N16M        *       0       0       CGAAGAACCTCAGTACCCTCCAGT        *       NH:i:9  HI:i:5  AS:i:24 nM:i:0
...

Samtools analysis of rde2Δ_2

Repeating this analysis for the second dataset for rde2Δ results in the same regions although with inequal read-abundance. For example, in the set from re2_1:

_1 3061_1296       16      1       982400  0       5M73N17M        *       0       0       CTGAGGTTCTTCGTCTTCTTCA          *       NH:i:10 HI:i:8  AS:i:22 nM:i:0
_1 547_52406       16      1       982403  0       2M73N21M        *       0       0       AGGTTCTTCGTCTTCTTCATCCA         *       NH:i:20 HI:i:7  AS:i:23 nM:i:0

vs. the replicate re2_2:

_2 15789_1263      16      1       982400  0       5M73N17M        *       0       0       CTGAGGTTCTTCGTCTTCTTCA          *       NH:i:10 HI:i:2  AS:i:22 nM:i:0
_2 2888_21706      16      1       982403  0       2M73N21M        *       0       0       AGGTTCTTCGTCTTCTTCATCCA         *       NH:i:20 HI:i:9  AS:i:23 nM:i:0

The relevant reads for re2_2 with skipped introns of 73 nt can be found by:

  • cd ../SRR8697589_collapsed_0mismatch-h99/

  • samtools view samtoolsAligned.sortedByCoord.out.bam | grep 73N | less

| ...
| 34372_15        0       1       982385  0       20M73N7M        *       0       0       TTCGACTGGAGGGTACTGAGGTTCTTC     *       NH:i:9  HI:i:2  AS:i:27 nM:i:0
| 136784_74       0       1       982385  0       20M73N2M        *       0       0       TTCGACTGGAGGGTACTGAGGT          *       NH:i:18 HI:i:8  AS:i:22 nM:i:0
| ...
| 16049_111       16      1       982394  0       11M73N17M       *       0       0       AGGGTACTGAGGTTCTTCGTCTTCTTCA    *       NH:i:9  HI:i:6  AS:i:28 nM:i:0
| 80384_62        16      1       982394  0       11M73N11M       *       0       0       AGGGTACTGAGGTTCTTCGTCT          *       NH:i:9  HI:i:1  AS:i:22 nM:i:0
| ...
| 6752_141        16      1       982396  0       9M73N17M        *       0       0       GGTACTGAGGTTCTTCGTCTTCTTCA      *       NH:i:10 HI:i:3  AS:i:26 nM:i:0
| 12485_68        16      1       982396  0       9M73N21M        *       0       0       GGTACTGAGGTTCTTCGTCTTCTTCATCCA  *       NH:i:10 HI:i:6  AS:i:30 nM:i:0
| ...
| 6821_479        16      1       982399  0       6M73N17M        *       0       0       ACTGAGGTTCTTCGTCTTCTTCA         *       NH:i:10 HI:i:2  AS:i:23 nM:i:0
| 31762_13        16      1       982399  0       6M73N22M        *       0       0       ACTGAGGTTCTTCGTCTTCTTCATCCAA    *       NH:i:10 HI:i:1  AS:i:28 nM:i:0
| 89661_21        16      1       982399  0       6M73N21M        *       0       0       ACTGAGGTTCTTCGTCTTCTTCATCCA     *       NH:i:10 HI:i:9  AS:i:27 nM:i:0
| ...
| 15789_1263      16      1       982400  0       5M73N17M        *       0       0       CTGAGGTTCTTCGTCTTCTTCA          *       NH:i:10 HI:i:2  AS:i:22 nM:i:0
| ...
| 26160_142       16      1       982401  0       4M73N21M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCA       *       NH:i:10 HI:i:5  AS:i:25 nM:i:0
| 31989_145       16      1       982401  0       4M73N17M        *       0       0       TGAGGTTCTTCGTCTTCTTCA           *       NH:i:10 HI:i:9  AS:i:21 nM:i:0
| 49569_19        16      1       982401  0       4M73N22M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCAA      *       NH:i:10 HI:i:7  AS:i:26 nM:i:0
| 13657_1594      16      1       982402  0       3M73N21M        *       0       0       GAGGTTCTTCGTCTTCTTCATCCA        *       NH:i:10 HI:i:8  AS:i:24 nM:i:0
| 32063_91        16      1       982402  0       3M73N22M        *       0       0       GAGGTTCTTCGTCTTCTTCATCCAA       *       NH:i:10 HI:i:7  AS:i:25 nM:i:0
| ...
| 1164_7585       16      1       982403  0       2M73N22M        *       0       0       AGGTTCTTCGTCTTCTTCATCCAA        *       NH:i:20 HI:i:1  AS:i:24 nM:i:0
| 2888_21706      16      1       982403  0       2M73N21M        *       0       0       AGGTTCTTCGTCTTCTTCATCCA         *       NH:i:20 HI:i:9  AS:i:23 nM:i:0
  ...
  ...
  136784_74       0       2       850798  0       20M73N2M        *       0       0       TTCGACTGGAGGGTACTGAGGT          *       NH:i:18 HI:i:2  AS:i:22 nM:i:0
  ...
  16049_111       16      2       850807  0       11M73N17M       *       0       0       AGGGTACTGAGGTTCTTCGTCTTCTTCA    *       NH:i:9  HI:i:3  AS:i:28 nM:i:0
  80384_62        16      2       850807  0       11M73N11M       *       0       0       AGGGTACTGAGGTTCTTCGTCT          *       NH:i:9  HI:i:2  AS:i:22 nM:i:0
  ...
  45603_121       16      2       850808  0       10M73N17M       *       0       0       GGGTACTGAGGTTCTTCGTCTTCTTCA     *       NH:i:10 HI:i:8  AS:i:27 nM:i:0
  ...
  15789_1263      16      2       850813  0       5M73N17M        *       0       0       CTGAGGTTCTTCGTCTTCTTCA          *       NH:i:10 HI:i:4  AS:i:22 nM:i:0
  ...
  26160_142       16      2       850814  0       4M73N21M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCA       *       NH:i:10 HI:i:6  AS:i:25 nM:i:0
  31989_145       16      2       850814  0       4M73N17M        *       0       0       TGAGGTTCTTCGTCTTCTTCA           *       NH:i:10 HI:i:1  AS:i:21 nM:i:0
  49569_19        16      2       850814  0       4M73N22M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCAA      *       NH:i:10 HI:i:6  AS:i:26 nM:i:0
  13657_1594      16      2       850815  0       3M73N21M        *       0       0       GAGGTTCTTCGTCTTCTTCATCCA        *       NH:i:10 HI:i:2  AS:i:24 nM:i:0
  32063_91        16      2       850815  0       3M73N22M        *       0       0       GAGGTTCTTCGTCTTCTTCATCCAA       *       NH:i:10 HI:i:4  AS:i:25 nM:i:0
  ...
  1164_7585       16      2       850816  0       2M73N22M        *       0       0       AGGTTCTTCGTCTTCTTCATCCAA        *       NH:i:20 HI:i:7  AS:i:24 nM:i:0
  2888_21706      16      2       850816  0       2M73N21M        *       0       0       AGGTTCTTCGTCTTCTTCATCCA         *       NH:i:20 HI:i:7  AS:i:23 nM:i:0
  ...
  ...
| 1164_7585       0       3       1401708 0       22M73N2M        *       0       0       TTGGATGAAGAAGACGAAGAACCT        *       NH:i:20 HI:i:8  AS:i:24 nM:i:0
| 31762_13        0       3       1401708 0       22M73N6M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCAGT    *       NH:i:10 HI:i:3  AS:i:28 nM:i:0
| 32063_91        0       3       1401708 0       22M73N3M        *       0       0       TTGGATGAAGAAGACGAAGAACCTC       *       NH:i:10 HI:i:3  AS:i:25 nM:i:0
| ...
| 2888_21706      0       3       1401709 0       21M73N2M        *       0       0       TGGATGAAGAAGACGAAGAACCT         *       NH:i:20 HI:i:5  AS:i:23 nM:i:0
| 12076_30        0       3       1401709 0       21M73N7M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTA    *       NH:i:10 HI:i:3  AS:i:28 nM:i:0
| 12485_68        0       3       1401709 0       21M73N9M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTACC  *       NH:i:10 HI:i:4  AS:i:30 nM:i:0
| 13657_1594      0       3       1401709 0       21M73N3M        *       0       0       TGGATGAAGAAGACGAAGAACCTC        *       NH:i:10 HI:i:5  AS:i:24 nM:i:0
| 15333_11        0       3       1401709 0       21M73N5M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAG      *       NH:i:10 HI:i:6  AS:i:26 nM:i:0
| 26160_142       0       3       1401709 0       21M73N4M        *       0       0       TGGATGAAGAAGACGAAGAACCTCA       *       NH:i:10 HI:i:3  AS:i:25 nM:i:0
| ...
| 6752_141        0       3       1401713 0       17M73N9M        *       0       0       TGAAGAAGACGAAGAACCTCAGTACC      *       NH:i:10 HI:i:6  AS:i:26 nM:i:0
| 6821_479        0       3       1401713 0       17M73N6M        *       0       0       TGAAGAAGACGAAGAACCTCAGT         *       NH:i:10 HI:i:8  AS:i:23 nM:i:0
| 15789_1263      0       3       1401713 0       17M73N5M        *       0       0       TGAAGAAGACGAAGAACCTCAG          *       NH:i:10 HI:i:5  AS:i:22 nM:i:0
| 16049_111       0       3       1401713 0       17M73N11M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCCT    *       NH:i:9  HI:i:2  AS:i:28 nM:i:0
| ...
| 31989_145       0       3       1401713 0       17M73N4M        *       0       0       TGAAGAAGACGAAGAACCTCA           *       NH:i:10 HI:i:3  AS:i:21 nM:i:0
| 33757_4         0       3       1401713 0       17M73N15M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCCTCCAG*       NH:i:9  HI:i:1  AS:i:32 nM:i:0
| 45603_121       0       3       1401713 0       17M73N10M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCC     *       NH:i:10 HI:i:3  AS:i:27 nM:i:0
| ...
| 80384_62        0       3       1401719 0       11M73N11M       *       0       0       AGACGAAGAACCTCAGTACCCT          *       NH:i:9  HI:i:9  AS:i:22 nM:i:0
  ...
  ...
  1447_2229       0       6       108327  255     20M73N3M        *       0       0       TCCGGGTCGAAGTGAGAACTTGC         *       NH:i:1  HI:i:1  AS:i:23 nM:i:0
  14014_679       0       6       108327  3       20M73N2M        *       0       0       TCCGGGTCGAAGTGAGAACTTG          *       NH:i:2  HI:i:1  AS:i:22 nM:i:0
  21759_177       0       6       108327  255     20M73N4M        *       0       0       TCCGGGTCGAAGTGAGAACTTGCA        *       NH:i:1  HI:i:1  AS:i:24 nM:i:0
  ...
  68584_141       0       6       108333  255     14M73N9M        *       0       0       TCGAAGTGAGAACTTGCAAAACA         *       NH:i:1  HI:i:1  AS:i:23 nM:i:0
  ...
  11776_715       0       6       108339  255     8M73N15M        *       0       0       TGAGAACTTGCAAAACAGGAGGC         *       NH:i:1  HI:i:1  AS:i:23 nM:i:0
  25425_242       0       6       108339  255     8M73N14M        *       0       0       TGAGAACTTGCAAAACAGGAGG          *       NH:i:1  HI:i:1  AS:i:22 nM:i:0
  ...
| 16049_111       16      6       818811  0       11M73N17M       *       0       0       AGGGTACTGAGGTTCTTCGTCTTCTTCA    *       NH:i:9  HI:i:9  AS:i:28 nM:i:0
| 80384_62        16      6       818811  0       11M73N11M       *       0       0       AGGGTACTGAGGTTCTTCGTCT          *       NH:i:9  HI:i:3  AS:i:22 nM:i:0
| ...
| 45603_121       16      6       818812  0       10M73N17M       *       0       0       GGGTACTGAGGTTCTTCGTCTTCTTCA     *       NH:i:10 HI:i:2  AS:i:27 nM:i:0
| ...
| 6752_141        16      6       818813  0       9M73N17M        *       0       0       GGTACTGAGGTTCTTCGTCTTCTTCA      *       NH:i:10 HI:i:5  AS:i:26 nM:i:0
| 12485_68        16      6       818813  0       9M73N21M        *       0       0       GGTACTGAGGTTCTTCGTCTTCTTCATCCA  *       NH:i:10 HI:i:5  AS:i:30 nM:i:0
| ...
| 6821_479        16      6       818816  0       6M73N17M        *       0       0       ACTGAGGTTCTTCGTCTTCTTCA         *       NH:i:10 HI:i:5  AS:i:23 nM:i:0
| ...
| 15789_1263      16      6       818817  0       5M73N17M        *       0       0       CTGAGGTTCTTCGTCTTCTTCA          *       NH:i:10 HI:i:3  AS:i:22 nM:i:0
| ...
| 26160_142       16      6       818818  0       4M73N21M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCA       *       NH:i:10 HI:i:9  AS:i:25 nM:i:0
| 31989_145       16      6       818818  0       4M73N17M        *       0       0       TGAGGTTCTTCGTCTTCTTCA           *       NH:i:10 HI:i:6  AS:i:21 nM:i:0
| 49569_19        16      6       818818  0       4M73N22M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCAA      *       NH:i:10 HI:i:3  AS:i:26 nM:i:0
| 13657_1594      16      6       818819  0       3M73N21M        *       0       0       GAGGTTCTTCGTCTTCTTCATCCA        *       NH:i:10 HI:i:9  AS:i:24 nM:i:0
| 32063_91        16      6       818819  0       3M73N22M        *       0       0       GAGGTTCTTCGTCTTCTTCATCCAA       *       NH:i:10 HI:i:5  AS:i:25 nM:i:0
| ...
| 1164_7585       16      6       818820  0       2M73N22M        *       0       0       AGGTTCTTCGTCTTCTTCATCCAA        *       NH:i:20 HI:i:6  AS:i:24 nM:i:0
| 2888_21706      16      6       818820  0       2M73N21M        *       0       0       AGGTTCTTCGTCTTCTTCATCCA         *       NH:i:20 HI:i:10 AS:i:23 nM:i:0
  ...
  ...
  1164_7585       0       7       527202  0       22M73N2M        *       0       0       TTGGATGAAGAAGACGAAGAACCT        *       NH:i:20 HI:i:5  AS:i:24 nM:i:0
  ...
  2888_21706      0       7       527203  0       21M73N2M        *       0       0       TGGATGAAGAAGACGAAGAACCT         *       NH:i:20 HI:i:2  AS:i:23 nM:i:0
  12076_30        0       7       527203  0       21M73N7M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTA    *       NH:i:10 HI:i:6  AS:i:28 nM:i:0
  12485_68        0       7       527203  0       21M73N9M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTACC  *       NH:i:10 HI:i:7  AS:i:30 nM:i:0
  13657_1594      0       7       527203  0       21M73N3M        *       0       0       TGGATGAAGAAGACGAAGAACCTC        *       NH:i:10 HI:i:4  AS:i:24 nM:i:0
  15333_11        0       7       527203  0       21M73N5M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAG      *       NH:i:10 HI:i:1  AS:i:26 nM:i:0
  26160_142       0       7       527203  0       21M73N4M        *       0       0       TGGATGAAGAAGACGAAGAACCTCA       *       NH:i:10 HI:i:2  AS:i:25 nM:i:0
  ...
  6752_141        0       7       527207  0       17M73N9M        *       0       0       TGAAGAAGACGAAGAACCTCAGTACC      *       NH:i:10 HI:i:8  AS:i:26 nM:i:0
  6821_479        0       7       527207  0       17M73N6M        *       0       0       TGAAGAAGACGAAGAACCTCAGT         *       NH:i:10 HI:i:10 AS:i:23 nM:i:0
  15789_1263      0       7       527207  0       17M73N5M        *       0       0       TGAAGAAGACGAAGAACCTCAG          *       NH:i:10 HI:i:8  AS:i:22 nM:i:0
  16049_111       0       7       527207  0       17M73N11M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCCT    *       NH:i:9  HI:i:8  AS:i:28 nM:i:0
  ...
  31989_145       0       7       527207  0       17M73N4M        *       0       0       TGAAGAAGACGAAGAACCTCA           *       NH:i:10 HI:i:2  AS:i:21 nM:i:0
  33757_4         0       7       527207  0       17M73N15M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCCTCCAG*       NH:i:9  HI:i:9  AS:i:32 nM:i:0
  45603_121       0       7       527207  0       17M73N10M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCC     *       NH:i:10 HI:i:1  AS:i:27 nM:i:0
  ...
  80384_62        0       7       527213  0       11M73N11M       *       0       0       AGACGAAGAACCTCAGTACCCT          *       NH:i:9  HI:i:4  AS:i:22 nM:i:0
  ...
  136784_74       16      7       527222  0       2M73N20M        *       0       0       ACCTCAGTACCCTCCAGTCGAA          *       NH:i:18 HI:i:5  AS:i:22 nM:i:0
  ...
  ...
| 1164_7585       0       9       804567  0       22M73N2M        *       0       0       TTGGATGAAGAAGACGAAGAACCT        *       NH:i:20 HI:i:3  AS:i:24 nM:i:0
| 31762_13        0       9       804567  0       22M73N6M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCAGT    *       NH:i:10 HI:i:10 AS:i:28 nM:i:0
| 32063_91        0       9       804567  0       22M73N3M        *       0       0       TTGGATGAAGAAGACGAAGAACCTC       *       NH:i:10 HI:i:2  AS:i:25 nM:i:0
| ...
| 2888_21706      0       9       804568  0       21M73N2M        *       0       0       TGGATGAAGAAGACGAAGAACCT         *       NH:i:20 HI:i:8  AS:i:23 nM:i:0
| 12076_30        0       9       804568  0       21M73N7M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTA    *       NH:i:10 HI:i:2  AS:i:28 nM:i:0
| 12485_68        0       9       804568  0       21M73N9M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTACC  *       NH:i:10 HI:i:1  AS:i:30 nM:i:0
| 13657_1594      0       9       804568  0       21M73N3M        *       0       0       TGGATGAAGAAGACGAAGAACCTC        *       NH:i:10 HI:i:3  AS:i:24 nM:i:0
| 15333_11        0       9       804568  0       21M73N5M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAG      *       NH:i:10 HI:i:2  AS:i:26 nM:i:0
| 26160_142       0       9       804568  0       21M73N4M        *       0       0       TGGATGAAGAAGACGAAGAACCTCA       *       NH:i:10 HI:i:1  AS:i:25 nM:i:0
  ...
  1164_7585       0       9       819504  0       22M73N2M        *       0       0       TTGGATGAAGAAGACGAAGAACCT        *       NH:i:20 HI:i:9  AS:i:24 nM:i:0
  31762_13        0       9       819504  0       22M73N6M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCAGT    *       NH:i:10 HI:i:7  AS:i:28 nM:i:0
  32063_91        0       9       819504  0       22M73N3M        *       0       0       TTGGATGAAGAAGACGAAGAACCTC       *       NH:i:10 HI:i:9  AS:i:25 nM:i:0
  ...
  2888_21706      0       9       819505  0       21M73N2M        *       0       0       TGGATGAAGAAGACGAAGAACCT         *       NH:i:20 HI:i:3  AS:i:23 nM:i:0
  12076_30        0       9       819505  0       21M73N7M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTA    *       NH:i:10 HI:i:7  AS:i:28 nM:i:0
  12485_68        0       9       819505  0       21M73N9M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTACC  *       NH:i:10 HI:i:10 AS:i:30 nM:i:0
  13657_1594      0       9       819505  0       21M73N3M        *       0       0       TGGATGAAGAAGACGAAGAACCTC        *       NH:i:10 HI:i:7  AS:i:24 nM:i:0
  15333_11        0       9       819505  0       21M73N5M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAG      *       NH:i:10 HI:i:7  AS:i:26 nM:i:0
  26160_142       0       9       819505  0       21M73N4M        *       0       0       TGGATGAAGAAGACGAAGAACCTCA       *       NH:i:10 HI:i:10 AS:i:25 nM:i:0
  ...
  6752_141        0       9       819509  0       17M73N9M        *       0       0       TGAAGAAGACGAAGAACCTCAGTACC      *       NH:i:10 HI:i:2  AS:i:26 nM:i:0
  6821_479        0       9       819509  0       17M73N6M        *       0       0       TGAAGAAGACGAAGAACCTCAGT         *       NH:i:10 HI:i:6  AS:i:23 nM:i:0
  15789_1263      0       9       819509  0       17M73N5M        *       0       0       TGAAGAAGACGAAGAACCTCAG          *       NH:i:10 HI:i:7  AS:i:22 nM:i:0
  16049_111       0       9       819509  0       17M73N11M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCCT    *       NH:i:9  HI:i:7  AS:i:28 nM:i:0
  18423_22        0       9       819509  0       17M73N8M        *       0       0       TGAAGAAGACGAAGAACCTCAGTAC       *       NH:i:10 HI:i:7  AS:i:25 nM:i:0
  27707_23        0       9       819509  0       17M73N7M        *       0       0       TGAAGAAGACGAAGAACCTCAGTA        *       NH:i:10 HI:i:1  AS:i:24 nM:i:0
  31989_145       0       9       819509  0       17M73N4M        *       0       0       TGAAGAAGACGAAGAACCTCA           *       NH:i:10 HI:i:4  AS:i:21 nM:i:0
  ...
  45603_121       0       9       819509  0       17M73N10M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCC     *       NH:i:10 HI:i:4  AS:i:27 nM:i:0
  ...
  80384_62        0       9       819515  0       11M73N11M       *       0       0       AGACGAAGAACCTCAGTACCCT          *       NH:i:9  HI:i:8  AS:i:22 nM:i:0
  ...
| 1164_7585       0       9       820486  0       22M73N2M        *       0       0       TTGGATGAAGAAGACGAAGAACCT        *       NH:i:20 HI:i:4  AS:i:24 nM:i:0
| 31762_13        0       9       820486  0       22M73N6M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCAGT    *       NH:i:10 HI:i:6  AS:i:28 nM:i:0
| 32063_91        0       9       820486  0       22M73N3M        *       0       0       TTGGATGAAGAAGACGAAGAACCTC       *       NH:i:10 HI:i:6  AS:i:25 nM:i:0
| ...
| 2888_21706      0       9       820487  0       21M73N2M        *       0       0       TGGATGAAGAAGACGAAGAACCT         *       NH:i:20 HI:i:6  AS:i:23 nM:i:0
| 12076_30        0       9       820487  0       21M73N7M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTA    *       NH:i:10 HI:i:5  AS:i:28 nM:i:0
| 12485_68        0       9       820487  0       21M73N9M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTACC  *       NH:i:10 HI:i:9  AS:i:30 nM:i:0
| 13657_1594      0       9       820487  0       21M73N3M        *       0       0       TGGATGAAGAAGACGAAGAACCTC        *       NH:i:10 HI:i:1  AS:i:24 nM:i:0
| 15333_11        0       9       820487  0       21M73N5M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAG      *       NH:i:10 HI:i:3  AS:i:26 nM:i:0
| 26160_142       0       9       820487  0       21M73N4M        *       0       0       TGGATGAAGAAGACGAAGAACCTCA       *       NH:i:10 HI:i:8  AS:i:25 nM:i:0
| ...
| 6752_141        0       9       820491  0       17M73N9M        *       0       0       TGAAGAAGACGAAGAACCTCAGTACC      *       NH:i:10 HI:i:1  AS:i:26 nM:i:0
| 6821_479        0       9       820491  0       17M73N6M        *       0       0       TGAAGAAGACGAAGAACCTCAGT         *       NH:i:10 HI:i:1  AS:i:23 nM:i:0
| 15789_1263      0       9       820491  0       17M73N5M        *       0       0       TGAAGAAGACGAAGAACCTCAG          *       NH:i:10 HI:i:6  AS:i:22 nM:i:0
| 16049_111       0       9       820491  0       17M73N11M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCCT    *       NH:i:9  HI:i:4  AS:i:28 nM:i:0
| ...
| 31989_145       0       9       820491  0       17M73N4M        *       0       0       TGAAGAAGACGAAGAACCTCA           *       NH:i:10 HI:i:7  AS:i:21 nM:i:0
| 33757_4         0       9       820491  0       17M73N15M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCCTCCAG*       NH:i:9  HI:i:8  AS:i:32 nM:i:0
| 45603_121       0       9       820491  0       17M73N10M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCC     *       NH:i:10 HI:i:10 AS:i:27 nM:i:0
| ...
| 80384_62        0       9       820497  0       11M73N11M       *       0       0       AGACGAAGAACCTCAGTACCCT          *       NH:i:9  HI:i:5  AS:i:22 nM:i:0
| ...
| 136784_74       16      9       820506  0       2M73N20M        *       0       0       ACCTCAGTACCCTCCAGTCGAA          *       NH:i:18 HI:i:9  AS:i:22 nM:i:0
  ...
  ...
  136784_74       0       11      905537  0       20M73N2M        *       0       0       TTCGACTGGAGGGTACTGAGGT          *       NH:i:18 HI:i:7  AS:i:22 nM:i:0
  ...
  16049_111       16      11      905546  0       11M73N17M       *       0       0       AGGGTACTGAGGTTCTTCGTCTTCTTCA    *       NH:i:9  HI:i:5  AS:i:28 nM:i:0
  80384_62        16      11      905546  0       11M73N11M       *       0       0       AGGGTACTGAGGTTCTTCGTCT          *       NH:i:9  HI:i:6  AS:i:22 nM:i:0
  ...
  45603_121       16      11      905547  0       10M73N17M       *       0       0       GGGTACTGAGGTTCTTCGTCTTCTTCA     *       NH:i:10 HI:i:5  AS:i:27 nM:i:0
  ...
  6752_141        16      11      905548  0       9M73N17M        *       0       0       GGTACTGAGGTTCTTCGTCTTCTTCA      *       NH:i:10 HI:i:10 AS:i:26 nM:i:0
  12485_68        16      11      905548  0       9M73N21M        *       0       0       GGTACTGAGGTTCTTCGTCTTCTTCATCCA  *       NH:i:10 HI:i:2  AS:i:30 nM:i:0
  ...
  6821_479        16      11      905551  0       6M73N17M        *       0       0       ACTGAGGTTCTTCGTCTTCTTCA         *       NH:i:10 HI:i:7  AS:i:23 nM:i:0
  ...
  15789_1263      16      11      905552  0       5M73N17M        *       0       0       CTGAGGTTCTTCGTCTTCTTCA          *       NH:i:10 HI:i:9  AS:i:22 nM:i:0
  ...
  26160_142       16      11      905553  0       4M73N21M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCA       *       NH:i:10 HI:i:4  AS:i:25 nM:i:0
  31989_145       16      11      905553  0       4M73N17M        *       0       0       TGAGGTTCTTCGTCTTCTTCA           *       NH:i:10 HI:i:5  AS:i:21 nM:i:0
  49569_19        16      11      905553  0       4M73N22M        *       0       0       TGAGGTTCTTCGTCTTCTTCATCCAA      *       NH:i:10 HI:i:8  AS:i:26 nM:i:0
  13657_1594      16      11      905554  0       3M73N21M        *       0       0       GAGGTTCTTCGTCTTCTTCATCCA        *       NH:i:10 HI:i:10 AS:i:24 nM:i:0
  32063_91        16      11      905554  0       3M73N22M        *       0       0       GAGGTTCTTCGTCTTCTTCATCCAA       *       NH:i:10 HI:i:8  AS:i:25 nM:i:0
  ...
  1164_7585       16      11      905555  0       2M73N22M        *       0       0       AGGTTCTTCGTCTTCTTCATCCAA        *       NH:i:20 HI:i:10 AS:i:24 nM:i:0
  2888_21706      16      11      905555  0       2M73N21M        *       0       0       AGGTTCTTCGTCTTCTTCATCCA         *       NH:i:20 HI:i:4  AS:i:23 nM:i:0
  ...
| 1164_7585       0       11      915040  0       22M73N2M        *       0       0       TTGGATGAAGAAGACGAAGAACCT        *       NH:i:20 HI:i:2  AS:i:24 nM:i:0
| 31762_13        0       11      915040  0       22M73N6M        *       0       0       TTGGATGAAGAAGACGAAGAACCTCAGT    *       NH:i:10 HI:i:5  AS:i:28 nM:i:0
| 32063_91        0       11      915040  0       22M73N3M        *       0       0       TTGGATGAAGAAGACGAAGAACCTC       *       NH:i:10 HI:i:1  AS:i:25 nM:i:0
| ...
| 2888_21706      0       11      915041  0       21M73N2M        *       0       0       TGGATGAAGAAGACGAAGAACCT         *       NH:i:20 HI:i:1  AS:i:23 nM:i:0
| 12076_30        0       11      915041  0       21M73N7M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTA    *       NH:i:10 HI:i:4  AS:i:28 nM:i:0
| 12485_68        0       11      915041  0       21M73N9M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAGTACC  *       NH:i:10 HI:i:3  AS:i:30 nM:i:0
| 13657_1594      0       11      915041  0       21M73N3M        *       0       0       TGGATGAAGAAGACGAAGAACCTC        *       NH:i:10 HI:i:6  AS:i:24 nM:i:0
| 15333_11        0       11      915041  0       21M73N5M        *       0       0       TGGATGAAGAAGACGAAGAACCTCAG      *       NH:i:10 HI:i:5  AS:i:26 nM:i:0
| 26160_142       0       11      915041  0       21M73N4M        *       0       0       TGGATGAAGAAGACGAAGAACCTCA       *       NH:i:10 HI:i:7  AS:i:25 nM:i:0
| ...
| 6752_141        0       11      915045  0       17M73N9M        *       0       0       TGAAGAAGACGAAGAACCTCAGTACC      *       NH:i:10 HI:i:7  AS:i:26 nM:i:0
| 6821_479        0       11      915045  0       17M73N6M        *       0       0       TGAAGAAGACGAAGAACCTCAGT         *       NH:i:10 HI:i:4  AS:i:23 nM:i:0
| 15789_1263      0       11      915045  0       17M73N5M        *       0       0       TGAAGAAGACGAAGAACCTCAG          *       NH:i:10 HI:i:10 AS:i:22 nM:i:0
| 16049_111       0       11      915045  0       17M73N11M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCCT    *       NH:i:9  HI:i:1  AS:i:28 nM:i:0
| ...
| 31989_145       0       11      915045  0       17M73N4M        *       0       0       TGAAGAAGACGAAGAACCTCA           *       NH:i:10 HI:i:10 AS:i:21 nM:i:0
| 33757_4         0       11      915045  0       17M73N15M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCCTCCAG*       NH:i:9  HI:i:7  AS:i:32 nM:i:0
| 45603_121       0       11      915045  0       17M73N10M       *       0       0       TGAAGAAGACGAAGAACCTCAGTACCC     *       NH:i:10 HI:i:7  AS:i:27 nM:i:0
| ...
| 80384_62        0       11      915051  0       11M73N11M       *       0       0       AGACGAAGAACCTCAGTACCCT          *       NH:i:9  HI:i:7  AS:i:22 nM:i:0
| ...
| 136784_74       16      11      915060  0       2M73N20M        *       0       0       ACCTCAGTACCCTCCAGTCGAA          *       NH:i:18 HI:i:6  AS:i:22 nM:i:0
  ...



Notes