Depolymerization of b-1,6-N-acetyl-d-glucosamine disrupts the integrity of diverse bacterial biofilms
Itoh Y, Wang Z, Himmebusch BJ +2 more2005Journal of BacteriologyJournal Article
Bacterial Endotoxins
Abstract
Polymeric beta-1,6-N-acetyl-D-glucosamine (poly-beta-1,6-GlcNAc) has been implicated as an Escherichia coli and Staphylococcus epidermidis biofilm adhesin, the formation of which requires the pgaABCD and icaABCD loci, respectively. Enzymatic hydrolysis of poly-beta-1,6-GlcNAc, demonstrated for the first time by chromatography and mass spectrometry, disrupts biofilm formation by these species and by Yersinia pestis and Pseudomonas fluorescens, which possess pgaABCD homologues.
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