7- O -Malonyl Macrolactin A, a New Macrolactin Antibiotic from Bacillus subtilis Active against Methicillin-Resistant Staphylococcus aureus , Vancomycin-Resistant Enterococci, and a Small-Colony Variant of Burkholderia cepacia
- 1 May 2006
- journal article
- Published by American Society for Microbiology in Antimicrobial Agents and Chemotherapy
- Vol. 50 (5), 1701-9
- https://doi.org/10.1128/aac.50.5.1701-1709.2006
Abstract
We report here the discovery, isolation, and chemical and preliminary biological characterization of a new antibiotic compound, 7- O -malonyl macrolactin A (MMA), produced by a Bacillus subtilis soil isolate. MMA is a bacteriostatic antibiotic that inhibits a number of multidrug-resistant gram-positive bacterial pathogens, including methicillin-resistant Staphylococcus aureus , vancomycin-resistant enterococci, and a small-colony variant of Burkholderia cepacia . MMA-treated staphylococci and enterococci were pseudomulticellular and exhibited multiple asymmetric initiation points of septum formation, indicating that MMA may inhibit a cell division function.Keywords
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