Abstract
Branched chain amino acids are often utilized as the precursors of many lipid-containing bacterial secondary metabolites. The effect of isoleucine on the composition of the mixture of cyclic lipopeptide antibiotics, tripropeptins from Lysobacter sp. BMK333-48F3 was evaluated. As expected, a novel tripropeptin analog with an anteiso-branched fatty acid was produced. The new compound, TPPaiC shows potent antibacterial activity against Gram-positive bacteria including MRSA and VRE. On the other hand, no increase was observed in the production of other tripropeptins by the addition of isoleucine.
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Hashizume, H., Igarashi, M., Sawa, R. et al. A New Type of Tripropeptin with Anteiso-branched Chain Fatty Acid from Lysobacter sp. BMK333-48F3. J Antibiot 61, 577–582 (2008). https://doi.org/10.1038/ja.2008.78
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DOI: https://doi.org/10.1038/ja.2008.78