Question: Mapping fas files
0
gravatar for perner
4.0 years ago by
perner • 0
Czech Republic
perner • 0 wrote:

Is there a way how to map one fas file (100 short sequences) on a dataset (fas files) of a few large seqences and then count how many short hits hit which large sequence? In other words, to test off-target effect of RNAi.

Thanks

Jan Perner

alignment • 711 views
ADD COMMENT • link • written 4.0 years ago by perner • 0
0
gravatar for Bjoern Gruening
4.0 years ago by
Bjoern Gruening ♦ 5.1k
Germany
Bjoern Gruening ♦ 5.1k wrote:

BLAST should be able to do this. You can also try to use mapping tools like bowtie2 or bwa for it and provide your reference genome as FASTA file I guess.

ADD COMMENT • link written 4.0 years ago by Bjoern Gruening ♦ 5.1k

Dne 20.11.2014 19:16, Bjoern Gruening on Galaxy Biostar napsal(a): Dear Bjoern, thank you for your response. However, I failed to find blast in galaxy progream list and mapping programs striclty require fastQ files. Regards Jan

ADD REPLY • link written 4.0 years ago by perner • 0

This is true, Blast is not installed on usegalaxy.org. But you can take a mapper. Your reference genome can be in fasta format and for your input you either can try to convert your FASTA file into FASTQ with uniquely assigned quality values or wait until we have released the new version of our wrappers with FASTA support.

ADD REPLY • link written 4.0 years ago by Bjoern Gruening ♦ 5.1k
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