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Eulachon RAD-seq - multi-year analysis of Eulachon populations in British Columbia, Washington, Oregon, and California (PNW)

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Eulachon RADseq

Multi-year Eulachon RAD-seq analysis (2009-2020) for the following populations:

Elwha, Cowlitz, Lyre, Fraser, Skeena, Nass, Kemano, Grays, Sandy, Klamath

Preliminary analysis:

Individuals for Elwha and Lyre were accidentally collapsed into one individual. With this analysis, files have been de-multiplexed, aligned to genome, processed through stacks and output VCF file. VCFvisuals.html is preliminary look at coverage for individuals and sites and a PCA for a roughly filtered VCF (filtered individuals with missingness > 0.5, individuals that are duplicated between old and new, and site missingness <0.5, and variants with MAF <0.05 )

Individuals were analyzed to see if any were duplicates (two were identified - 51985.7 and 51985.8 from Klamath - and only one was retained for further analyses).

Next Steps:

  • Rerun entire pipeline for elwha-lyre individuals that were not separated in processed radtags

  • combine oldNEB and newNEB alignments in analysis

  • Remove 51889.9_Elwha which was identified as longfin smelt by Krista (COI results)

  • Re-run stacks and populations with these above changes, include variant call quality scores in output

Disclaimer

The repositories in this GitHub org are scientific products and are not official communication of the National Oceanic and Atmospheric Administration, or the United States Department of Commerce. All NOAA GitHub project code is provided on an ‘as is’ basis and the user assumes responsibility for its use. Any claims against the Department of Commerce or Department of Commerce bureaus stemming from the use of this GitHub project will be governed by all applicable Federal law. Any reference to specific commercial products, processes, or services by service mark, trademark, manufacturer, or otherwise, does not constitute or imply their endorsement, recommendation or favoring by the Department of Commerce. The Department of Commerce seal and logo, or the seal and logo of a DOC bureau, shall not be used in any manner to imply endorsement of any commercial product or activity by DOC or the United States Government

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