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  • Trevaly
    Junior Member
    • May 2011
    • 5

    #1

    Bug with eXpress: Unable to open input SAM file

    Dear all ,
    I tried to use eXpress to count the mapping results obtained with Bowtie2.

    The command used is
    express -m 450 -s 100 --no-update-check transcriptome.fasta MT121_3_sorted.bam

    however I obtain the following error message when I used a BAM file as input:
    2016-Oct-21 23:34:59 - Attempting to read 'MT121_3_sorted.bam' in BAM format...
    2016-Oct-21 23:34:59 - Input is not in BAM format. Trying SAM...
    2016-Oct-21 23:34:59 - SEVERE: Unable to open input SAM file '/MT100_3.sam'.

    and this one if I use a SAM file as input
    2016-Oct-24 21:01:27 - SEVERE: Unable to open input SAM file '/MT121_3_sorted.sam'.
    2016-Oct-24 21:01:27 - Attempting to read '/MT121_3_sorted.sam' in BAM format...
    2016-Oct-24 21:01:27 - Input is not in BAM format. Trying SAM...

    The sam look like a reel SAM :
    @HD VN:1.0 SO:coordinate
    @SQ SN:c1_g1_i1 LN:241
    @SQ SN:c1_g2_i1 LN:279
    @SQ SN:c2_g1_i1 LN:319
    @SQ SN:c2_g2_i1 LN:222
    @SQ SN:c3_g1_i1 LN:642
    @SQ SN:c4_g1_i1 LN:323
    @SQ SN:c5_g1_i1 LN:234
    @SQ SN:c6_g1_i1 LN:396
    @SQ SN:c6_g2_i1 LN:351
    @SQ SN:c8_g1_i1 LN:334
    @SQ SN:c9_g1_i1 LN:214
    @SQ SN:c10_g1_i1 LN:300
    @SQ SN:c11_g1_i1 LN:432
    @SQ SN:c12_g1_i1 LN:254
    @SQ SN:c13_g1_i1 LN:282
    @SQ SN:c15_g1_i1 LN:563
    ......
    @SQ SN:c79885_g1_i1 LN:204
    @SQ SN:c79886_g1_i1 LN:243
    @PG ID:bowtie2 PN:bowtie2 VN:2.1.0
    ...
    HWI-ST909:410:C8P7RACXX:6:1203:6648:51518 147 c1_g2_i1 136 40 100M = 100 -136 ACTCTGATATTCTCTGCATCCACTGTAAATGTTCATCATTGGCACATGTT
    CCCGCAGAATTGCTGGGGCCTCTTTTGTGTCTGTATGGATCCAAATTAAT <FFFFBFFFFFFFFFFFFFFFBFFFFFFFFFFFFFFFFFFFFFFFFIIFFIIIIIIIIIIIFIIIIFIIIIIIIIIIIIIIIIIIIIFFFFFFFFFFBBB AS:i:-10 XN:i:0 XM:i:285XO:i:01 XG:i:0 NM:i:2 MD:Z:9C84G5 YS:i:-18 YT:Z:CP
    HWI-ST909:410:C8P7RACXX:6:1304:8532:81357 147 c1_g2_i1 144 42 100M = 24 -220 ATTCTCTGCATCCACTGTAAATGTTCATCATTGGCACATGTTCCCGCAGA
    ATTGCTGGGGCCTCTTTTGTGTCTGTATGGATCCAAATTAATATGTTCTT FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFIIIIIIFFIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIFFFFFFFFFFBBB AS:i:-11 XN:i:0 XM:i:286XO:i:01 XG:i:0 NM:i:2 MD:Z:1C84G13 YS:i:-11 YT:Z:CP
    HWI-ST909:410:C8P7RACXX:6:2106:12948:92662 99 c4_g1_i1 53 42 100M = 100 147 GTCAGACTTAGACGATGAGTACCTGAGATTATTTTTGTAGTATTTGATGT
    CAGATCCACCTCTGACCCAGCCAATCTTCTTCTGCTGAGCATTTTTCTCA BBBFFFFFFFFFFIIIIIIFIIIIIIIIIIIIIIIIIFIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIFFFFFFFFFFFFFFFFFFFFFFFFFFB AS:i:-6 XN
    :i:0 XM:i:1 XO:i:0 XG:i:0 NM:i:1 MD:Z:72G27 YS:i:-6 YT:Z:CP
    HWI-ST909:410:C8P7RACXX:6:2211:7081:59369 69 c4_g1_i1 69 0 * = 69 0 GGTAGTCCTGTAAATCTGTGTAAGTATAGGGATAACAATGTGCAAAGTAG
    ACTGTATCGTTATNGTGCTGGAAATCTACAGTCCACGTTAGGGAGTAGAA BBBFFFFFFFFFFIIIIIIFIFIIIIIIIIIIIIIIIIIIFIIIFIIFIIIIIIFFIIIFIII#0<FFIIIIIIIFIIFFFFFFFFFFFFFFFFFBBFBF YT:Z:UP
    HWI-ST909:410:C8P7RACXX:6:2211:7081:59369 153 c4_g1_i1 69 42 100M = 69 0 GAGTACCTGAGATTATTTTTGTAGTATTTGATGTCAGATCCACCTCTGAC
    CCAGCCAATCTTCTTCTGCTGAGCATTTTTCTCACTGTACACCAGAGGCC FFFBBBBFFFFFFFFFFFFFFFFFFFFFFFFIIIFIIIIIFBIIIIIFFFIIIIIIIIIIIIIIIIIIIIIIIIIIIIIFIIIFIIIFFFFFFFFFFBBB AS:i:-6 XN
    :i:0 XM:i:1 XO:i:0 XG:i:0 NM:i:1 MD:Z:56G43 YT:Z:UP
    HWI-ST909:410:C8P7RACXX:6:2106:12948:92662 147 c4_g1_i1 100 42 100M = 53 -147 TGTCAGATCCACCTCTGACCCAGCCAATCTTCTTCTGCTGAGCATTTTTC
    TCACTGTACACCAGAGGCCTCATTCCACAGTTATATAAACTGTCAGGCTT BFFFFFBBFBBFFFFFFFFFFFFFFIIIIIIIFIIIIIIIIIIIIIIIFFIIIIIIIIFFIIIIIIIIIIIIIIIIFIIIIIIIIIIFFFFFFFFFFBBB AS:i:-6 XN
    :i:0 XM:i:1 XO:i:0 XG:i:0 NM:i:1 MD:Z:25G74 YS:i:-6 YT:Z:CP

    Does anyone have an idea to solve this problem ?

    Best regards,
    Jeremie

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