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Literature DB >> 10498737

Interstrain variation of the polysaccharide B biosynthesis locus of Bacteroides fragilis: characterization of the region from strain 638R.

L E Comstock¹, M J Coyne, A O Tzianabos, D L Kasper.

Abstract

The sequence and analysis of the capsular polysaccharide biosynthesis locus, PS B2, of Bacteroides fragilis 638R are described, and the sequence is compared with that of the PS B1 biosynthesis locus of B. fragilis NCTC 9343. Two genes of the region, wcgD and wcgC, are shown by complementation to encode a UDP-N-acetylglucosamine 2-epimerase and a UDP-N-acetylmannosamine dehydrogenase, respectively.

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Year: 1999 PMID： 10498737 PMCID： PMC103652 DOI： 10.1128/JB.181.19.6192-6196.1999

Source DB: PubMed Journal: J Bacteriol ISSN： 0021-9193 Impact factor: 3.490

16 in total

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Journal: Infect Immun Date: 1999-07 Impact factor: 3.441

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2. Proteins encoded by Sphingomonas elodea ATCC 31461 rmlA and ugpG genes, involved in gellan gum biosynthesis, exhibit both dTDP- and UDP-glucose pyrophosphorylase activities.

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5. Sequence analysis of four Shigella boydii O-antigen loci: implication for Escherichia coli and Shigella relationships.

Authors: L Wang; W Qu; P R Reeves
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6. Immunochemical and biological characterization of three capsular polysaccharides from a single Bacteroides fragilis strain.

Authors: W M Kalka-Moll; Y Wang; L E Comstock; S E Gonzalez; A O Tzianabos; D L Kasper
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7. Longitudinal analysis of the prevalence, maintenance, and IgA response to species of the order Bacteroidales in the human gut.

Authors: Naamah Levy Zitomersky; Michael J Coyne; Laurie E Comstock
Journal: Infect Immun Date: 2011-03-14 Impact factor: 3.441

8. Bacteroides fragilis NCTC9343 produces at least three distinct capsular polysaccharides: cloning, characterization, and reassignment of polysaccharide B and C biosynthesis loci.

Authors: M J Coyne; W Kalka-Moll; A O Tzianabos; D L Kasper; L E Comstock
Journal: Infect Immun Date: 2000-11 Impact factor: 3.441

9. Porphyromonas gingivalis HmuY and HmuR: further characterization of a novel mechanism of heme utilization.

Authors: Teresa Olczak; Aneta Sroka; Jan Potempa; Mariusz Olczak
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10. A family of transcriptional antitermination factors necessary for synthesis of the capsular polysaccharides of Bacteroides fragilis.

Authors: Maria Chatzidaki-Livanis; Michael J Coyne; Laurie E Comstock
Journal: J Bacteriol Date: 2009-10-02 Impact factor: 3.490