A colicin is a type of bacteriocin produced by and toxic to some strains of Escherichia coli. Colicins are released into the environment to reduce competition from other bacterial strains. Colicins bind to outer membrane receptors, using them to translocate to the cytoplasm or cytoplasmic membrane, where they exert their cytotoxic effect, includin...
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http://en.wikipedia.org/wiki/Colicin
<pharmacology> A group of antibiotics naturally produced by the bacteria Escherichia coli which kills other bacteria by a variety of methods (depending on the type), such as blocking protein synthesis and degrading DNA. ... Colicins are encoded by a group of naturally occurring E. Coli plasmids, like Col E1. ... Colicins E2 and E3 are AB toxi...
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http://www.encyclo.co.uk/local/20973
Type: Term Pronunciation: kol′i-sin Definitions: 1. Bacteriocin produced by strains of Escherichia coli and by other enterobacteria (Shigella and Salmonella) that carry the necessary plasmids. Many are toxic to related bacterial strains and bind to specific cellular receptors interfering with normal function.
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http://www.medilexicon.com/medicaldictionary.php?t=18842
any bacteriocin produced by certain strains of Escherichia coli and having a lethal effect on strains other than the producing strain.
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https://www.infoplease.com/dictionary/colicin
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