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J. Bacteriol. doi:10.1128/JB.00620-07
Copyright (c) 2007, American Society for Microbiology and/or the Listed Authors/Institutions. All Rights Reserved.

Pseudomonas aeruginosa Psl is a galactose- and mannose-rich exopolysaccharide

Department of Microbiology and Immunology, Wake Forest University School of Medicine, Winston-Salem, NC, and Department of Microbiology, University of Washington, Seattle, WA

^* To whom correspondence should be addressed. Email: dwozniak{at}wfubmc.edu.

	Abstract

The P. aeruginosa polysaccharide synthesis locus (psl) is predicted to encode an exopolysaccharide, which is critical for biofilm formation. Here, we use chemical composition analyses and mannose- or galactose-specific lectin staining, followed by confocal laser scanning microscopy and electron microscopy to show that Psl is a galactose-rich and mannose-rich exopolysaccharide.

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