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Open AccessArticle

Interaction of Vibrio to Biotic and Abiotic Surfaces: Relationship between Hydrophobicity, Cell Adherence, Biofilm Production, and Cytotoxic Activity

Laboratory of Analysis, Treatment and Valorization of Environment Polluants and Products, Faculty of Pharmacy, Monastir University, Monastir 5000, Tunisia
EPFL-STI-IMX-LTP, Ecole Polytechnique fédérale de Lausanne, Lausanne CH-1015, Switzerland
Author to whom correspondence should be addressed.
Surfaces 2018, 1(1), 187-201;
Received: 12 November 2018 / Revised: 7 December 2018 / Accepted: 10 December 2018 / Published: 19 December 2018
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Vibrio parahaemolyticus and Vibrio alginolyticus are important pathogenic agents for both humans and aquatic animals. Twenty-five bacterial strains were isolated from infected sea bass (Dicentrarchus labrax) on thiosulfate citrate bile salts sucrose (TCBS) agar plates. For the species-specific detection of V. alginolyticus and V. parahaemolyticus, a multiplex PCR assay using two collagenase-targeted primer pairs allows the detection of four strains of V. parahaemolyticus and three strains of V. alginolyticus. The seven identified isolates were partitioned for capsule production, hydrophobicity, adherence, biofilm formation, invasion, and cytotoxicity against Hep-2 cells. Two V. parahaemolyticus (Spa2 and Spa3) and one V. alginolyticus (Va01) were capsule producers developing almost black colonies on CRA, they showed a strong hydrophobicity using bacterial adhesion to hydrocarbons test (BATH), and were able to produce high biofilm. Isolates were able to adhere and invade Hep-2 cells and exhibited dissimilar levels of cytotoxicity in epithelial cells. This study shows the strong relationship between adhesion, biofilm formation, invasion and the cytotoxicity of Vibrio strains. Thus, we found a strong and significant positive correlation between different virulence properties of these isolates. The present study shows that bacterial contact with the cells as well as adhesion and invasion are essential steps to induce cytotoxicity. However, the invasion is seen to be a post adherence event. View Full-Text
Keywords: Vibrio; hydrophobicity; adherence; cytotoxicity; invasion; cells Vibrio; hydrophobicity; adherence; cytotoxicity; invasion; cells

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Lamari, F.; Khouadja, S.; Rtimi, S. Interaction of Vibrio to Biotic and Abiotic Surfaces: Relationship between Hydrophobicity, Cell Adherence, Biofilm Production, and Cytotoxic Activity. Surfaces 2018, 1, 187-201.

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