ROAST-Multiz inconsistent row size
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Entering edit mode
4.4 years ago
Diana MoSa ▴ 20

Hello,

I am having issues whith ROAST in order to perform Multiz aligment of 37 genomes. I performed pairwise alignments with lastz for all the species and followed the Genome Alignments tool protocol for chains and netting. Once I have my pairwise aligments (all of them against the same reference genome), I tried to run ROAST to perform a multiz aligment. At the beginning the analysis ran smoothly for a week, generating 27 _MZ_* temp files, suggesting me thtat the tree and most of pairwised aligmnents are correct (including the headers), but suddenly stopped with an error of inconsistent row size in N line number from a tmp file.

I checked the line number and it corresponded to p.hastatus sample (see below), I checked and the lenght of the sequence match with the number of the maf format (1118)

This is how the failed batch looks like:

s raegyptiacus.scaffold_m13_p_17 25775659 1112 + 46074814 TTATGTGACAGCAGG-.....
s mblainvillei.PVJD01000009.1      642256 1115 -  1092840 CTATCTGACAGCAGATTG....
s drotundus.KZ672072.1            9922121 1118 - 10751721  CTATCTGACAGCAGATTG....
s mhirsuta.scaffold_7851            99997 1120 +   116090 CTATCTGACAGCAGAGTGGGG....
s acaudifer.scaffold_6171          177889 1124 +   194096 CTATCTGACAGCAGATTG....
s gsoricina.Super-Scaffold_40    33140221 1124 - 52801020 CTATCTGACAGCAGA....
s pdiscolor.scaffold_m19_p_15     4298889 1118 + 53102546 CTATCTGACAGCAG....

Did anyone have seen a similar error?

roast multiz alignment genome • 1.3k views
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Entering edit mode
19 months ago
Marie • 0

Hi, did you ever figure out what the problem was? I am having a similar issue.

Marie

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