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A40926, a new glycopeptide antibiotic with anti-Neisseria activity


, : A40926, a new glycopeptide antibiotic with anti-Neisseria activity. Antimicrobial Agents and ChemoTherapy 31(12): 1961-1966

In the course of a search for glycopeptide antibiotics having novel biological properties, we isolated A40926. Produced by an actinomycete of the genus Actinomadura, A40926 is a complex of four main factors which contain a fatty acid as part of a glycolipid attached to the peptide backbone. Its activity was, in most respects, similar to that of other glycopeptides, such as vancomycin and teicoplanin. However, in addition to inhibiting gram-positive bacteria, A40926 was very active against Neisseria gonorrhoeae. A40926 was rapidly bactericidal for N. gonorrhoeae clinical isolates at concentrations equal to or slightly higher than the MIC. In mice, levels in serum were higher and more prolonged than those of an equivalent subcutaneous dose of teicoplanin. These properties suggest that A40926 may have potential in the therapy of gonorrhea.

US$29.90

PMID: 2964225


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