Colistin

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...
Found on http://en.wikipedia.org/wiki/Colistin

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...
Found on http://www.encyclo.co.uk/local/20973

colistin

(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.
Found on http://www.encyclo.co.uk/local/21001

colistin

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
Found on http://www.medilexicon.com/medicaldictionary.php?t=18853
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