Journal
INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY
Volume 91, Issue 3, Pages 319-325Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijfoodmicro.2003.07.006
Keywords
tdh and trh genes; water; shellfish; French coastal areas; Vibrio parahaemolyticus
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The occurrence of the hemolysin genes, tdh and trh, in Vibrio parahaemolyticus strains isolated from environmental samples collected in two French coastal areas, clinical samples, and seafood products imported into France was studied. Polymerase chain reaction (PCR) with two sets of primers was used to detect the hemolysin genes. Most of the clinical isolates (91%) and 1.5% of the isolates from seafood possessed the hemolysin genes. Three and fifteen percent, respectively, of the two groups of environmental strains carried the hemolysin genes depending on the geographic site. The tdh and trh genes play important roles in virulence. Thus, our results indicate that pathogenic V parahaemolyticus isolates are present in French coastal areas and in seafood imported into France. Furthermore, they may also be present in French seafood products. (C) 2003 Elsevier B.V. All rights reserved.
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