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J. Bacteriol. doi:10.1128/JB.01559-07
Copyright (c) 2007, American Society for Microbiology and/or the Listed Authors/Institutions. All Rights Reserved.

Niche-specific features of the intestinal Bacteroidales

Channing Laboratory, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts

^* To whom correspondence should be addressed. Email: lcomstock{at}rics.bwh.harvard.edu.

	Abstract

By analyzing the genomic sequence of twelve Bacteroidales species, we found that all intestinal species have numerous polysaccharide biosynthesis loci, many with promoters that we demonstrate undergo DNA inversion. This feature is not conserved in the Bacteroidales order as a whole, as oral species do not share these genetic features.

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