Virgimycine Definition
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Virgimycine: A cyclic polypeptide antibiotic complex from Streptomyces virginiae, S. loidensis, S. mitakaensis, S. pristina-spiralis, S. ostreogriseus, and others. It consists of 2 major components, virginiamycin Factor M1(STREPTOGRAMIN A) and virginiamycin Factor S1. It is used to treat infections with gram-positive organisms and as a growth promoter in cattle, swine, and poultry.
Synonym: antibiotic 899, virginiamycin, staphylomycin.