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Curr Opin Microbiol. 2011 Oct;14(5):544-9. doi: 10.1016/j.mib.2011.07.029. Epub 2011 Aug 20.

Is bacterial fatty acid synthesis a valid target for antibacterial drug discovery?

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  • 1Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN 38105, United States.

Abstract

The emergence of resistance against most current drugs emphasizes the need to develop new approaches to control bacterial pathogens, particularly Staphylococcus aureus. Bacterial fatty acid synthesis is one such target that is being actively pursued by several research groups to develop anti-Staphylococcal agents. Recently, the wisdom of this approach has been challenged based on the ability of a Gram-positive bacterium to incorporate extracellular fatty acids and thus circumvent the inhibition of de novo fatty acid synthesis. The generality of this conclusion has been challenged, and there is enough diversity in the enzymes and regulation of fatty acid synthesis in bacteria to conclude that there is not a single organism that can be considered typical and representative of bacteria as a whole. We are left without a clear resolution to this ongoing debate and await new basic research to define the pathways for fatty acid uptake and that determine the biochemical and genetic mechanisms for the regulation of fatty acid synthesis in Gram-positive bacteria. These crucial experiments will determine whether diversity in the control of this important pathway accounts for the apparently different responses of Gram-positive bacteria to the inhibition of de novo fatty acid synthesis in presence of extracellular fatty acid supplements.

Copyright © 2011 Elsevier Ltd. All rights reserved.

PMID:
21862391
[PubMed - indexed for MEDLINE]
PMCID:
PMC3193581
Free PMC Article

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