Genomic variation in amylase in Geukensia demissa may be environmentally driven
White, P. N.; Wares, J. P.
Show abstract
Prior results suggested an unusual sequence polymorphism in the amylase gene region of the ribbed mussel Geukensia demissa. We used targeted sequencing and spatial analysis of polymorphism data to assess the likelihood that this diversity is inherited as a single Mendelian locus. Our results suggest this is likely, and that the frequencies of the dominant allele groups change dramatically along the Atlantic coast of the United States, particularly across Cape Hatteras. Although the overall pattern of sequence diversity is atypical and may involve additional evolutionary mechanisms, we believe this is an ecologically valuable molecular marker for study in ribbed mussels.
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