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Picard 2.10.4 has MAJOR CHANGES that impact throughput of pipelines. Default compression is now 1 instead of 5, and Picard now handles compressed data with the Intel Deflator/Inflator instead of JDK.
GATK version 4.beta.3 (i.e. the third beta release) is out. See the github release page for download and details.

calling SNPs with pooled samples using UnifiedGenotyper

jwhitneyjwhitney University of Hawaii Member

I using the UnifiedGenotyper to call SNPs in a pooled sample of 30 diploid individuals (i.e., I am setting the ploidy to 60). Does this mean that if the coverage is < 60 at a given variant site, the vcf file will read "./." for all alleles at that site? In other words, does it require the coverage to be >= the ploidy or it won't produce a called variant at that site? I'm just trying to make sure I am interpreting the vcf file correctly, in that: if there is a called genotype at a given variant site that I can interpret that as the estimated allele frequency in that pool.

Thanks in advance for any advice.

Best,
Jon

Best Answers

Answers

  • jwhitneyjwhitney University of Hawaii Member

    Thank you both very much, you answered my question perfectly

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