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Full-Text Articles in Life Sciences

Antimicrobial Susceptibility, Genotypic Characterization, And Molecular Detection Of Vibrio Parahaemolyticus And Vibrio Vulnificus From Louisiana Oysters, Feifei Han Jan 2010

Antimicrobial Susceptibility, Genotypic Characterization, And Molecular Detection Of Vibrio Parahaemolyticus And Vibrio Vulnificus From Louisiana Oysters, Feifei Han

LSU Doctoral Dissertations

Members of the genus Vibrio are Gram-negative, halophilic bacteria that inhabit warm coastal and estuarine waters worldwide. Among pathogenic vibrios, Vibrio parahaemolyticus is the leading cause of seafood-related illnesses and Vibrio vulnificus causes the highest number of seafood-related deaths in the United States. Moreover, according to the U.S. Centers for Disease Control and Prevention, the incidence of infections of the two vibrios due to the consumption of oysters has shown a sustained increase since 2001, indicating further measures are needed to prevent human Vibrio illness. In this dissertation research, a total of 622 Vibrio isolates, consisting of 252 V ...


Molecular Identification, Phylogeny And Geographic Distribution Of Brazilian Mangrove Oysters (Crassostrea), Aline Grasielle Costa De Melo, Kimberly S. Reece Jan 2010

Molecular Identification, Phylogeny And Geographic Distribution Of Brazilian Mangrove Oysters (Crassostrea), Aline Grasielle Costa De Melo, Kimberly S. Reece

VIMS Articles

Oysters (Ostreidae) manifest a high degree of phenotypic plasticity, whereby morphology is of limited value for species identification and taxonomy. By using molecular data, the aim was to genetically characterize the species of Crassostrea occurring along the Brazilian coast, and phylogenetically relate these to other Crassostrea from different parts of the world. Sequencing of the partial cytochrome oxidase c subunit I gene (COI), revealed a total of three species of Crassostrea at 16 locations along the Brazilian coast. C. gasar was found from Curuca (Para state) to Santos (Sao Paulo state), and C. rhizophorae from Fortim (Ceara state) to Florianopolis ...