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Fatty Acids as Mediators of Intercellular Signaling

  • Manuel Espinosa-Urgel
Reference work entry
Part of the Handbook of Hydrocarbon and Lipid Microbiology book series (HHLM)

Abstract

Mechanisms of intercellular communication as a function of population density exist in many bacteria. These signaling circuits are based on the release of diffusible molecules to the extracellular medium and their detection and subsequent alteration of global gene expression above certain concentration thresholds. Fatty acids are structural parts of different signal molecules, such as acyl homoserine lactones, where the length and modifications of the acyl side chains play a role as determinants of signal specificity. Yet, fatty acids and fatty acid derivatives are increasingly being reported as intra- and interspecies cell-cell communication signals and also mediate interactions of bacteria with other organisms. These signals appear to be particularly relevant in plant-associated bacteria, but are also present in other microorganisms, and could offer a chance to develop new strategies to combat pathogens.

Notes

Acknowledgments

Work in the author’s group on cellular responses and regulatory mechanisms in bacterial populations and biofilms is funded by grant BFU2013-43469-P from Plan Estatal de I+D+I and EFDR funds.

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© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Environmental ProtectionEstación Experimental del Zaidín, CSICGranadaSpain

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