
1) Antibiotic 2) Antibiotic drug
Found on
https://www.crosswordclues.com/clue/polymyxin

Polymyxins are antibiotics, with a general structure consisting of a cyclic peptide with a long hydrophobic tail. They disrupt the structure of the bacterial cell membrane by interacting with its phospholipids. They are produced by nonribosomal peptide synthetase systems in Gram-positive bacteria such as Paenibacillus polymyxa and are selectively ...
Found on
http://en.wikipedia.org/wiki/Polymyxin

any of five polypeptide antibiotics derived from various species of the soil bacterium Bacillus that are active against gram-negative bacteria such ... [1 related articles]
Found on
http://www.britannica.com/eb/a-z/p/90

<chemical> Basic polypeptide antibiotic group obtained from bacillus polymyxa. They affect the cell membrane by detergent action and may cause neuromuscular and kidney damage. at least eleven different members of the polymyxin group have been identified, each designated by a letter. ... Pharmacological action: antibiotics, peptide. ... (12 De...
Found on
http://www.encyclo.co.uk/local/20973

(pol″e-mik´sin) a generic term for antibiotics derived from various strains of Bacillus polymyxa, several closely related compounds being designated by letters. polymyxin B a bacteriostatic and bactericidal antibiotic, effective mainly against gram-negative organisms. It is used as ...
Found on
http://www.encyclo.co.uk/local/21001

Type: Term Pronunciation: pol′ē-mik′sin Definitions: 1. A mixture of antibiotic substances obtained from cultures of Bacillus polymyxa (B. serosporus), an organism found in water and soils and obtainable as a crystalline hydrochloride; all are polypeptides containing various amino acids and a branched-chain fatty acid, usually (+)-...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=70948

[
n] - any of several toxic antibiotics obtained from a particular soil bacterium
Found on
http://www.webdictionary.co.uk/definition.php?query=polymyxin
noun any of several toxic antibiotics obtained from a particular soil bacterium
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.