Journal
JOURNAL OF BACTERIOLOGY
Volume 188, Issue 18, Pages 6680-6687Publisher
AMER SOC MICROBIOLOGY
DOI: 10.1128/JB.00605-06
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Funding
- NIAID NIH HHS [AI04936] Funding Source: Medline
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We previously showed that the Bvg virulence control system regulates biofilm formation in Bordetella bronchiseptica (Y. Irie, S. Mattoo, and M. H. Yuk, J. Bacteriol. 186:5692-5698, 2004). Analyses of the extracellular components of R bronchiseptica biofilm matrix revealed that the major sugar component in the matrix was xylose, and linkage analysis indicated a majority of it to be in a 4-linked polymeric form. The production of xylose was independent of Bvg regulation but instead was dependent on bacterial growth phase. In addition, N-acetyl-glucosamine in the matrix was found to be important for the initial development of the biofilm. These results suggest that B. bronchiseptica biofilm formation is growth phase dependent in addition to being regulated by the Bvg virulence system.
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