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Article: Immunomodulation of Crassostrea gigas and Crassostrea virginica cellular defense mechanisms by Perkinsus marinus.
- Article from:
- Journal of Shellfish Research
- Article date:
- August 1, 2005
- Author:
CopyrightCOPYRIGHT 2005 National Shellfisheries Association, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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ABSTRACT The eastern oyster is an economically and ecologically important species whose vitality is threatened by the protozoal parasite Perkinsus marinus. To better understand which cellular defense mechanisms impart resistance to P. marinus, resistant (Crassostrea gigas) and susceptible (Crassostrea virginica) oyster species were challenged by an experimental infection with P. marinus and their cellular responses were quantified and compared. Both in vivo and in vitro infection trials measured hemocyte phagocytosis, respiratory burst, apoptosis at 1, 3 and 7 days postinfection (in vivo) or 1-h postco-incubation (in vitro). Total parasite body burden concentrations were ...
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