Development of SNP Panels as a New Tool to Assess the Genetic Diversity, Population Structure, and Parentage Analysis of the Eastern Oyster (Crassostrea virginica)

Development of SNP Panels as a New Tool to Assess the Genetic Diversity, Population Structure,... Culture of the eastern oyster (Crassostrea virginica) is rapidly expanding. Combined with their continuing role as an environmental sentinel species and ecological model, this trend necessitates improved molecular tools for breeding and selection, as well as population assessment and genetic conservation. Here, we describe the development and validation of two panels of 58 single nucleotide polymorphism markers (SNPs) for the species. Population analyses revealed three distinct populations, based on FST values and STRUCTURE, among wild oysters sampled from Delaware Bay (1), northwest Florida (2), Alabama (2), Louisiana (2), and the Texas Gulf Coast (3), consistent with previous microsatellite and mtDNA analyses. In addition, utilizing the developed panels for parentage assignment in cultured oysters (Rutgers, New Jersey) resulted in a highly accurate identification of parent pairs (99.37%). The SNP markers could, furthermore, clearly discriminate between hatchery stocks and wild-sourced individuals. The developed SNP panels may serve as an important tool for more rapid and affordable genetic analyses in eastern oyster. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Marine Biotechnology Springer Journals

Development of SNP Panels as a New Tool to Assess the Genetic Diversity, Population Structure, and Parentage Analysis of the Eastern Oyster (Crassostrea virginica)

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Life Sciences; Freshwater & Marine Ecology; Microbiology; Zoology; Engineering, general
ISSN
1436-2228
eISSN
1436-2236
D.O.I.
10.1007/s10126-018-9803-y
Publisher site
See Article on Publisher Site

Abstract

Culture of the eastern oyster (Crassostrea virginica) is rapidly expanding. Combined with their continuing role as an environmental sentinel species and ecological model, this trend necessitates improved molecular tools for breeding and selection, as well as population assessment and genetic conservation. Here, we describe the development and validation of two panels of 58 single nucleotide polymorphism markers (SNPs) for the species. Population analyses revealed three distinct populations, based on FST values and STRUCTURE, among wild oysters sampled from Delaware Bay (1), northwest Florida (2), Alabama (2), Louisiana (2), and the Texas Gulf Coast (3), consistent with previous microsatellite and mtDNA analyses. In addition, utilizing the developed panels for parentage assignment in cultured oysters (Rutgers, New Jersey) resulted in a highly accurate identification of parent pairs (99.37%). The SNP markers could, furthermore, clearly discriminate between hatchery stocks and wild-sourced individuals. The developed SNP panels may serve as an important tool for more rapid and affordable genetic analyses in eastern oyster.

Journal

Marine BiotechnologySpringer Journals

Published: Mar 13, 2018

References

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