Journal of Heredity Advance Access originally published online on October 27, 2006
Journal of Heredity 2006 97(6):595-598; doi:10.1093/jhered/esl034
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Brief Communications |
Wild and Aquaculture Populations of the Eastern Oyster Compared Using Microsatellites
From the School of Marine Science, Virginia Institute of Marine Science, College of William and Mary, PO Box 1346, Gloucester Point, VA 23062-1346 (Carlsson, Morrison, and Reece); and the US Geological Survey-BRD, Aquatic Ecology Barnach, 11649 Leetown Road, Kearneysville, WV 25430 (Morrison)
Address correspondence to J. Carlsson at the address above, or e-mail: jc{at}vims.edu.
Five new microsatellite markers were developed for the eastern oyster (Crassostrea virginica), and allelic variability was compared between a wild Chesapeake Bay population (James River) and a hatchery strain (DEBYTM). All loci amplified readily and demonstrated allelic variability with the number of alleles ranging from 16 to 36 in the wild population and from 11 to 19 in the DEBYTM strain. Average observed and expected heterozygosities were estimated at 0.66 and 0.80 in the hatchery sample. The corresponding estimates were 0.91 and 0.75 in the wild sample. Results indicated lower genetic variability in the DEBYTM strain and significant genetic differentiation between the wild population and hatchery strain. These microsatellite loci will prove valuable for future population genetic studies and in tracking of hatchery strains used in restoration.
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