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 Previous Article

Journal of Bacteriology, February 2004, p. 889-893, Vol. 186, No. 3
0021-9193/04/$08.00+0     DOI: 10.1128/JB.186.3.889-893.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.

Expression of Vibrio vulnificus Capsular Polysaccharide Inhibits Biofilm Formation

Lavin A. Joseph and Anita C. Wright*

Aquatic Food Products Laboratory, Food Science and Human Nutrition Department, University of Florida, Gainesville, Florida 32611

Received 7 August 2003/ Accepted 24 October 2003

Vibrio vulnificus is a human pathogen that produces lethal septicemia in susceptible persons, and the primary virulence factor for this organism is capsular polysaccharide (CPS). The role of the capsule in V. vulnificus biofilms was examined under a variety of conditions, by using either defined CPS mutants or spontaneous CPS expression phase variants derived from multiple strains. CPS expression was shown to inhibit attachment and biofilm formation, which contrasted with other studies describing polysaccharides as integral to biofilms in related species.

* Corresponding author. Mailing address: Food Science and Human Nutrition Department, Bldg. 475, Newell Dr., P.O. Box 110370, University of Florida, Gainesville, FL 32611. Phone: (352) 392-1991. Fax: (352) 392-9467. E-mail: acwright{at}ifas.ufl.edu.

Journal of Bacteriology, February 2004, p. 889-893, Vol. 186, No. 3
0021-9193/04/$08.00+0     DOI: 10.1128/JB.186.3.889-893.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.



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