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R/ODR-19
Epizootiology and Pathogenicity of Two Perkinsus Species Parasitizing the Eastern Oyster Crassostrea Virginica
Principal Investigator:
Gerardo R. VastaStart/End Year:
2001 - 2004Institution:
Center of Marine Biotechnology, University of Maryland Biotechnology InstituteCo-Principal Investigator:
Jose A. Fernandez-Robledo, Eric J. Schott, Wolf T. Pecher, Center of Marine Biotechnology, University of Maryland Biotechnology InstituteTopic(s):
- Oysters
Description:
The aims of the proposed study is to provide the oyster industry and resource management agencies with validated tools for a true and comprehensive assessment of the distribution of Perkinsus species in oysters along the Atlantic Coast, and to evaluate the virulence and pathogenicity of selected Perkinsus species found in oysters.
Funding Start Year
2001
Funding End Year
2004
Related Publications:
Pecher, WT; Robledo, JAF; Vasta, GR. 2004. Identification of a second rRNA gene unit in the Perkinsus andrewsi genome. Journal of Eukaryotic Microbiology51(2):234 -245. doi:10.1111/j.1550-7408.2004.tb00553.x. UM-SG-RS-2004-12.
Ahmed, H; Schott, EJ; Gauthier, JD; Vasta, GR. 2003. Superoxide dismutases from the oyster parasite Perkinsus marinus: purification, biochemical characterization, and development of a plate microassay for activity. Analytical Biochemistry318(1):132 -141. doi:10.1016/S0003-2697(03)00192-1. UM-SG-RS-2003-19.
Schott, EJ; Robledo, JAF; Wright, AC; Silva, AM; Vasta, GR. 2003. Gene organization and homology modeling of two iron superoxide dismutases of the early branching protist Perkinsus marinus. Gene309(1):1 -9. doi:10.1016/S0378-1119(03)000469-4. UM-SG-RS-2003-24.
Schott, EJ; Vasta, GR. 2003. The PmSOD1 gene of the protistan parasite Perkinsus marinus complements the sod2 Delta mutant of Saccharomyces cerevisiae, and directs an iron superoxide dismutase to mitochondria. Molecular and Biochemical Parasitology126(1):81 -92. doi:10.1016/S0166-6851(02)00271-2. UM-SG-RS-2003-25.
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Featured Fellow
Nina Santos is a Ph.D. student at the Chesapeake Biological Laboratory at the University of Maryland Center for Environmental Science. For her dissertation, she is focused on small shrimp-like crustaceans called mysids – an understudied yet important part of many estuarine and coastal food webs.
Featured Research Project
Developing a habitat model for mysids, an important link in Chesapeake Bay food webs
Mysids are important mesozooplankton prey for many species of fish in Chesapeake Bay and are an important link in transferring energy from lower to upper trophic levels. Mysids also serve as biological vectors for benthic-pelagic coupling due to their diel vertical migration and omnivorous prey-switching behavior, which makes mysids important regulators of food web architecture. Despite their central role in coastal food webs, surprisingly little is known about mysid ecology and dynamics in Chesapeake Bay.
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