Affiliation:
1. Department of Microbiology, Faculty of Sciences, University of Malaga, Spain.
Abstract
The kinetics of adhesion of Vibrio strains isolated from diseased fish to skin mucus of gilt-head sea bream was studied. A modified Langmuir adsorption isotherm was calculated, and the results obtained indicate that the strains tested (Vibrio alginolyticus DP1HE4 and Vibrio anguillarum-like DC12R8 and DC12R9) showed a saturation kinetics except for V. alginolyticus (CAN), which showed a proportional adsorption kinetics. The adhesive capability for skin mucus does not seem to be an essential virulence factor of pathogenic strains of Vibrio, since this specific interaction depended on several environmental factors, temperature and salinity being the most important. However, the absence of an inhibitory effect of mucus on the pathogenic microorganisms, and the capability of the Vibrio strains to utilize mucus as a carbon source, could favor their settlement on the skin with a potential for infection of cultured, stressed fish.
Publisher
American Society for Microbiology
Subject
Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology
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