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Keywords: colicin
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Articles
Biochem Soc Trans (2012) 40 (6): 1549–1552.
Published: 21 November 2012
... severely limit the effectiveness of whole classes of antibiotics, the need is particularly pressing. An alternative approach to antimicrobial treatment is to use the well-characterized species-specific colicin-like bacteriocins which are produced by a wide range of Gram-negative bacteria, including...
Articles
Biochem Soc Trans (2012) 40 (6): 1469–1474.
Published: 21 November 2012
...Christopher N. Penfold; Chan Li; Ying Zhang; Mireille Vankemmelbeke; Richard James Colicins are protein antibiotics produced by Escherichia coli to kill closely related non-identical competing species. They have taken advantage of the promiscuity of several proteins in the cell envelope for entry...
Articles
Biochem Soc Trans (2012) 40 (6): 1517–1521.
Published: 21 November 2012
...Mireille Vankemmelbeke; Richard James; Christopher N. Penfold Nuclease colicins, such as colicin E9, are a class of Escherichia coli bacteriocins that kill E. coli and closely related Gram-negative bacteria through nucleolytic action in the cytoplasm. In order to accomplish this, their cytotoxic...
Articles
Biochem Soc Trans (2012) 40 (6): 1475–1479.
Published: 21 November 2012
... of the protein machines within it. Our work focuses on the import mechanism of the group A endonuclease (DNase) colicin ColE9 into Escherichia coli , where we combine in vivo observations with structural, biochemical and biophysical approaches to dissect the molecular mechanism of colicin entry. ColE9 assembles...
Articles
Biochem Soc Trans (2012) 40 (6): 1433–1437.
Published: 21 November 2012
... to an understanding of the biology of colicins, bacteriocins produced by Escherichia coli . This meeting was the third leg of a triumvirate of symposia that included meetings at the Île de Bendor, France, in 1991 and the University of East Anglia, Norwich, U.K., in 1998, focused on bringing together leading experts...
Articles
Biochem Soc Trans (2012) 40 (6): 1522–1527.
Published: 21 November 2012
...Thierry Touzé; Hélène Barreteau; Meriem El Ghachi; Ahmed Bouhss; Aurélie Barnéoud-Arnoulet; Delphine Patin; Emmanuelle Sacco; Didier Blanot; Michel Arthur; Denis Duché; Roland Lloubès; Dominique Mengin-Lecreulx Colicins are proteins produced by some strains of Escherichia coli to kill competitors...
Articles
Biochem Soc Trans (2012) 40 (6): 1480–1485.
Published: 21 November 2012
...Roland Lloubès; Emilie Goemaere; Xiang Zhang; Eric Cascales; Denis Duché Colicins are bacterial toxins that parasitize OM (outer membrane) receptors to bind to the target cells, use an import system to translocate through the cell envelope and then kill sensitive cells. Colicins classified as group...
Articles
Biochem Soc Trans (2012) 40 (6): 1560–1565.
Published: 21 November 2012
.... In Escherichia coli , the Cma (colicin M) phosphatase is activated in the periplasmic space by the FkpA chaperone and subsequently degrades the C55-PP precursor unit of the peptidoglycan. Pst (pesticin) from Yersinia pestis carries a lysozyme homology domain to degrade peptidoglycan. Import of Pst is only...
Includes: Supplementary data
Articles
Biochem Soc Trans (2012) 40 (6): 1449–1455.
Published: 21 November 2012
...Volkmar Braun; Stephanie Helbig; Silke I. Patzer Colicins are the only proteins imported by Escherichia coli and thus serve as tools to study the protein import mechanism. Most of the colicins studied degrade DNA, 16S RNA or tRNA in the cytoplasm, or form pores in the cytoplasmic membrane. Two...
Articles
Biochem Soc Trans (2012) 40 (6): 1498–1502.
Published: 21 November 2012
... of available sources of genetic resistance. An alternative strategy to reduce loss to specific bacterial phytopathogens is to use narrow-spectrum protein antibiotics such as colicin-like bacteriocins as biocontrol agents. A number of colicin-like bacteriocins active against phytopathogenic bacteria have been...
Articles
Biochem Soc Trans (2012) 40 (6): 1534–1538.
Published: 21 November 2012
...Oliver Hecht; Colin Macdonald; Geoffrey R. Moore Defining structural features of IDPs (intrinsically disordered proteins) and relating these to biological function requires characterization of their dynamical properties. In the present paper, we review what is known about the IDPs of colicins...
Articles
Biochem Soc Trans (2012) 40 (6): 1507–1511.
Published: 21 November 2012
...Darja Žgur-Bertok Colicins are plasmid-encoded bacteriocins active against Escherichia coli and closely related species of Enterobacteriaceae. They promote microbial diversity and genetic diversity in E. coli populations. Colicin synthesis is characteristically repressed by the LexA protein...
Articles
Biochem Soc Trans (2012) 40 (6): 1443–1448.
Published: 21 November 2012
...Karen S. Jakes Of the steps involved in the killing of Escherichia coli by colicins, binding to a specific outer-membrane receptor was the best understood and earliest characterized. Receptor binding was believed to be an indispensable step in colicin intoxication, coming before the less well...
Articles
Biochem Soc Trans (2008) 36 (6): 1409–1413.
Published: 19 November 2008
...Daniel A. Bonsor; Nicola A. Meenan; Colin Kleanthous The translocation of protein toxins into a cell relies on a myriad of protein–protein interactions. One such group of toxins are enzymatic E colicins, protein antibiotics produced by Escherichia coli in times of stress. These proteins subvert...
Articles
Biochem Soc Trans (2001) 29 (4): 578–582.
Published: 01 August 2001
...Q. Hong; S. Terrettaz; W.-P. Ulrich; H. Vogel; J. H. Lakey Protein-protein interactions at the cell surface are important in the activity of bacterial toxins such as colicins. We have developed methods to study these events using tethered lipid bilayers, which can be probed by impedance...