colistin

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co·lis·tin

 (kə-lĭs′tĭn, kō-)
n.
An antibiotic produced by the bacterium Bacillus polymyxa (also known as B. colistinus) that is effective against a wide range of gram-negative bacteria and is used in the treatment of certain infections, especially of the ear.

[From New Latin colistīnus, specific epithet, from coli-.]

colistin

(kəˈlɪstɪn)
n
(Medicine) a polymyxin antibiotic

co•lis•tin

(kəˈlɪs tɪn)

n.
a broad-spectrum antibiotic derived from the soil bacterium Bacillus colistinus, used esp. for treating gastroenteritis.
[1950–55; < New Latin colistinus epithet for a variety of Bacillus polymyxa]
References in periodicals archive ?
Use of high-performance liquid chromatography to study the pharmacokinetics of colistin sulfate in rats following intravenous administration.
During January 2008-December 2010, we screened 3,186 fecal samples on brain-heart infusion agar with 5% defibrinated sheep blood and antimicrobial drugs (bacitracin, cycloheximide, colistin sulfate, cephazoline sodium, novobiocin) and incubated under microaerophillic environment (5% [O.
19% of an antibiotic mixture which provided 150 ppm chlortetracycline, 80 ppm colistin sulfate and 50 ppm kitasamycin (positive control, PC).