Population Genetics of the Eastern Oyster Crassostrea virginica (Gmelin, 1791) in the Gulf of Mexico

Robin L. Varney; Clara E. Galindo-Sánchez; Pedro Cruz; Patrick M. Gaffney

doi:10.2983/035.028.0415

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Robin L. Varney,¹ Clara E. Galindo-Sánchez,^2,3 Pedro Cruz,³ Patrick M. Gaffney^1,*

¹1College of Earth, Ocean, and Environment, University of Delaware, Lewes, DE 19958
²2IFREMER, UMR M100 PE2M, Centre de Brest B.P. 70, 29280 Plouzané FRANCE
³3Laboratorio de Genética Acuícola, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), A.P.

^*Corresponding author. E-mail: pgaffney@udel.edu

Abstract

Genetic variation in eastern oysters (Crassostrea virginica) collected from 13 sites in the Gulf of Mexico was examined using a combination of mitochondrial DNA (mtDNA) sequencing, mtDNA restriction fragment length polymorphism analysis, and nuclear single nucleotide polymorphism analysis. Both mitochondrial and nuclear markers showed significant differentiation among samples. Combined with previous allozyme and microsatellite data, these results indicate considerable population subdivision throughout the Gulf of Mexico, despite the potentially homogenizing effect of larval dispersal.

Citation Download Citation

Robin L. Varney, Clara E. Galindo-Sánchez, Pedro Cruz, and Patrick M. Gaffney "Population Genetics of the Eastern Oyster Crassostrea virginica (Gmelin, 1791) in the Gulf of Mexico," Journal of Shellfish Research 28(4), 855-864, (1 December 2009). https://doi.org/10.2983/035.028.0415

Published: 1 December 2009

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