circulin

circulin

[′sər·kyə·lən]
(microbiology)
Any of a group of peptide antibiotics produced by Bacillus circulans which are related to polymixin and are active against both gram-negative and gram-positive bacteria.
References in periodicals archive ?
Como ninguno de los dos podemos escribir un best sellers que nos de guitar, ni menos un buen libro que aprueben en el pais de Circulin, escribamos un libro sin escribirlo, tomemos lo que ya se escribio, hagamos un trabajo de escritura, mas de taller literario que otra cosa.
Kalata, circulin A & B and cyclopsychotride are macrocyclic cysteine knot-peptides with end-to-end macrocycle and cysteine-knot motif that displayed potent antimicrobial activity against Gram-positive, Gram-negative bacteria, and yeast [36].
However, compounds such as polymyxin, colistin, and circulin exhibit activity almost exclusively upon Gram-negative forms, whereas bacillomycin, mycobacillin, and fungistatin are effective agents against molds and yeasts (Katz and Demain, 1977).