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Literature DB >> 10515954

The modality of enterobacterial common antigen polysaccharide chain lengths is regulated by o349 of the wec gene cluster of Escherichia coli K-12.

Abstract

The assembly of the phosphoglyceride-linked form of enterobacterial common antigen (ECA(PG)) occurs by a mechanism that involves modulation of polysaccharide chain length. However, the genetic determinant of this modulation has not been identified. Site-directed mutagenesis of o349 of the Escherichia coli K-12 wec gene cluster revealed that this locus encodes a Wzz protein that specifically modulates the chain length of ECA(PG) polysaccharides, and we have designated this locus wzz(ECA). The Wzz(ECA)-mediated modulation of ECA(PG) polysaccharide chains is the first demonstrated example of Wzz regulation involving a polysaccharide that is not linked to the core-lipid A structure of lipopolysaccharide.

Entities: Chemical Gene Species

Mesh：

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Year: 1999 PMID： 10515954 PMCID： PMC103799

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

34 in total

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Journal: Infect Immun Date: 1983-05 Impact factor: 3.441

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19 in total

1. Interplay of the Wzx translocase and the corresponding polymerase and chain length regulator proteins in the translocation and periplasmic assembly of lipopolysaccharide o antigen.

Authors: Cristina L Marolda; Laura D Tatar; Cristina Alaimo; Markus Aebi; Miguel A Valvano
Journal: J Bacteriol Date: 2006-07 Impact factor: 3.490

2. Polysaccharide co-polymerase WzzB/WzzE chimeras reveal transmembrane 2 region of WzzB is important for interaction with WzyB.

Authors: Vincenzo Leo; Elizabeth Tran; Renato Morona
Journal: J Bacteriol Date: 2020-12-23 Impact factor: 3.490

3. O acetylation of the enterobacterial common antigen polysaccharide is catalyzed by the product of the yiaH gene of Escherichia coli K-12.

Authors: Junko Kajimura; Arifur Rahman; James Hsu; Matthew R Evans; Kevin H Gardner; Paul D Rick
Journal: J Bacteriol Date: 2006-08-25 Impact factor: 3.490

4. The D3 bacteriophage α-polymerase inhibitor (Iap) peptide disrupts O-antigen biosynthesis through mimicry of the chain length regulator Wzz in Pseudomonas aeruginosa.

Authors: Véronique L Taylor; Molly L Udaskin; Salim T Islam; Joseph S Lam
Journal: J Bacteriol Date: 2013-08-16 Impact factor: 3.490

5. Assembly of cyclic enterobacterial common antigen in Escherichia coli K-12.

Authors: Junko Kajimura; Arifur Rahman; Paul D Rick
Journal: J Bacteriol Date: 2005-10 Impact factor: 3.490

6. Identification of the structural gene for the TDP-Fuc4NAc:lipid II Fuc4NAc transferase involved in synthesis of enterobacterial common antigen in Escherichia coli K-12.

Authors: A Rahman; K Barr; P D Rick
Journal: J Bacteriol Date: 2001-11 Impact factor: 3.490

7. Enterobacterial common antigen mutants of Salmonella enterica serovar Typhimurium establish a persistent infection and provide protection against subsequent lethal challenge.

Authors: Jeremy J Gilbreath; Jennifer Colvocoresses Dodds; Paul D Rick; Mark J Soloski; D Scott Merrell; Eleanor S Metcalf
Journal: Infect Immun Date: 2011-10-24 Impact factor: 3.441