Question about filtering reads prior to Mixcr #1675
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Hi, If I have already aligned my reads against the human reference genome using Dragen, is it a good idea to first take reads with samtools that align to chr7 and chr14 , and then provide this as input to Mixcr. I am only interested in TCRs with alfa and beta chains. The run time was significantly faster when done this way. And one test I did showed that the number of clones I got out from Mixcr was quite similar with and without filtering. |
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Yes, prefiltering the target chromosomes where the TCR locus is located will speed up the process. There shouldn't be any losses as you only filter out non target reads. |
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Yes, prefiltering the target chromosomes where the TCR locus is located will speed up the process. There shouldn't be any losses as you only filter out non target reads.