Colistin (polymyxin E) is a polymyxin antibiotic produced by certain strains of Bacillus polymyxa var. colistinus. Colistin is a mixture of cyclic polypeptides colistin A and B. Colistin is effective against most Gram-negative bacilli and is used as a polypeptide antibiotic. Colistin is a decades-old drug that fell out of favor due to its nephroto...
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http://en.wikipedia.org/wiki/Colistin
<chemical> Cyclic polypeptide antibiotic from bacillus colistinus. It is composed of polymyxins e1 and e2 (or colistins a, b, and c) which act as detergents on cell membranes. Colistin is less toxic than polymyxin b, but otherwise similar; the methanesulfonate is used orally. ... Pharmacological action: antibiotics, peptide. ... Chemical name...
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http://www.encyclo.co.uk/local/20973
(ko-lis´tin) an antibiotic produced by Bacillus polymyxa var. colistinus, or the same substance produced by other means; it is related chemically to polymyxin, and used in treatment of infections.
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http://www.encyclo.co.uk/local/21001
Type: Term Pronunciation: kō-lis′tin Definitions: 1. A mixture of cyclic polypeptide antibiotics from a strain of Bacillus polymyxa; separable into polymyxins. Synonyms: colimycin
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http://www.medilexicon.com/medicaldictionary.php?t=18853
membrane-active polymyxin that was historically used for bowel decontamination but now used for systemic infections with drug-resistant pathogens
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https://courses.lumenlearning.com/microbiology/chapter/glossary/
a toxic antibiotic polypeptide, CHON, produced by the bacterium Bacillus colistinus, used in sulfate form against a broad spectrum of microorganisms and in the treatment of severe gastroenteritis.
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https://www.infoplease.com/dictionary/colistin
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