R/ODR-25

Genetic rehabilitation and conservation of Chesapeake oysters using disease-resistant oyster strains: a study of their recruitment and introgression potential

Principal Investigator:

Matthew P. Hare

Start/End Year:

2003 - 2007

Institution:

University of Maryland, College Park, Department of Biology

Co-Principal Investigator:

Mark Luckenbach, Kimberly S. Reece, Ryan Carnegie, Virginia Institute of Marine Science

Topic(s):

Description:

Several concrete objectives will be met by capitalizing on the ground work achieved with previous Sea Grant funding. The two years of funding requested here will allow (1 ) estimation of recruitment distance distributions around focal reefs planted with disease-tolerant DEBY strain oysters, (2) quantification of rates of interbreeding between DEBY strain oysters and wild background oysters, informing an analysis of introgression of genetic factors contributing to disease tolerance, and (3) quantification of inbreeding in DEBY strain broodstock as well as an analysis of the inbreeding effects of standard hatchery amplification for supplementation.

Related Publications:

Alavi, MR; Schott, EJ; Saito, K; Vasta, GR. 2008. Application of molecular tools for the survey of bacterial pathogens associated with Crassostrea virginica (Gmelin 1791) and Crassostrea ariakensis (Fujita 1913). Journal of Shellfish Research27(3):551 -558. doi:10.2983/0730-8000(2008)27[551:AOMTFT]2.0.CO;2. UM-SG-RS-2008-14.

Carlsson, J; Carnegie, RB; Cordes, JF; Hare, MP; Leggett, AT; Reece, KS. 2008. Evaluating recruitment contribution of a selectively bred aquaculture line of the oyster, Crassostrea virginica used in restoration efforts. Journal of Shellfish Research27(5):1117 -1124. doi:10.2983/0730-8000-27.5.1117. UM-SG-RS-2008-15.

Chen, G; Hare, MP. 2008. Cryptic ecological diversification of a planktonic estuarine copepod, Acartia tonsa. Molecular Ecology17(6):1451 -1468. doi:10.1111/j.1365-294X.2007.03657.x. UM-SG-RS-2008-13.

Murray, MC; Hare, MP. 2006. A genomic scan for divergent selection in a secondary contact zone between Atlantic and Gulf of Mexico oysters, Crassostrea virginica. Molecular Ecology15(13):4229 -4242. doi:10.1111/j.1365-294X.2006.03060.x. UM-SG-RS-2006-17.

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