Population genomics reveals strong impacts of genetic drift without purging and guides conservation of bull and giant kelp.

doi:10.1016/j.cub.2024.12.025

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Population genomics reveals strong impacts of genetic drift without purging and guides conservation of bull and giant kelp.

Current biology : CB - 3 Feb 2025

Bemmels Jordan B, Starko Samuel, Weigel Brooke L, Hirabayashi Kaede, Pinch Alex, Elphinstone Cassandra, Dethier Megan N, Rieseberg Loren H, Page Jonathan E, Neufeld Christopher J, Owens Gregory L

Abstract excerpt

Kelp forests are declining in many parts of the northeast Pacific.1,2,3,4 In small populations, genetic drift can reduce adaptive variation and increase fixation of recessive deleterious alleles,5,6,7 but natural selection may purge harmful variants.8,9,10 To understand evolutionary dynamics and inform restoration strategies, we investigated genetic structure and the outcomes of genetic drift and purging by...

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PMID: 39826555
DOI: 10.1016/j.cub.2024.12.025

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