Viability of Vibrio vulnificus in Association with Hemocytes of the American Oyster (Crassostrea virginica).

Applied and Environmental Microbiology
L Harris-YoungJ K Jackson

Abstract

Certain indigenous estuarine bacteria, such as Vibrio vulnificus, may cause opportunistic human infections after consumption of raw oysters or exposure of tissues to seawater. V. vulnificus is known to be closely associated with oyster (Crassostrea virginica) tissues and is not removed by controlled purification methods, such as UV light-assisted depuration. In fact, when live shellfish are subjected to controlled purification, the number of V. vulnificus cells can markedly increase. A review of previous studies showed that few workers have examined mechanisms in oysters which may influence the persistence of V. vulnificus in shellfish, such as the fate of V. vulnificus following phagocytosis by molluscan hemocytes. The objectives of this study were to define the intracellular viability and extracellular viability of V. vulnificus during the phagocytic process and to study the release of specific lysosomal enzymes. The viability of a virulent estuarine V. vulnificus isolate with opaque morphology was compared with the viability of a translucent, nonvirulent form, the viability of Vibrio cholerae, and the viability of Escherichia coli in phagocytosis experiments. Our results showed that the levels of phagocytosis and bactericida...Continue Reading

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Citations

Jul 12, 2002·Microscopy Research and Technique·Laura CanesiCarla Pruzzo
Feb 18, 2006·Journal of Bacteriology·Maria Chatzidaki-LivanisAnita C Wright
Jan 3, 2013·Microbial Ecology·Brett Froelich, James D Oliver
Jan 12, 2013·Microbial Ecology·Crystal N Johnson
Dec 9, 2003·Applied and Environmental Microbiology·Mark S Campbell, Anita C Wright
Sep 6, 2003·Applied and Environmental Microbiology·Massimiliano ZampiniCarla Pruzzo
May 17, 2005·Environmental Microbiology·Carla PruzzoLaura Canesi
Jun 15, 2011·Infection and Immunity·Jana NeimanDean A Rowe-Magnus
Sep 29, 2011·Applied and Environmental Microbiology·Keleigh ProvostDavid H Kingsley
Aug 17, 2000·Journal of Food Protection·J KooD L Marshall
Jul 2, 1999·Applied and Environmental Microbiology·F J GenthnerW S Fisher

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