Emerging roles of low-molecular-weight thiols at the host-microbe interface.

Low-molecular-weight (LMW) thiols are an abundant class of cysteine-derived small molecules found in all forms of life that maintain reducing conditions within cells. While their contributions to cellular redox homeostasis are well established, LMW thiols can also mediate other aspects of cellular physiology, including intercellular interactions between microbial and host cells. Here we discuss emerging roles for these redox-active metabolites at the host-microbe interface. We begin by providing an overview of chemical and computational approaches to LMW-thiol discovery. Next, we highlight mechanisms of virulence regulation by LMW thiols in infected cells. Finally, we describe how microbial metabolism of these compounds may influence host physiology. Copyright © 2023 Elsevier Ltd. All rights reserved.

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Daniel G Dumitrescu, Stavroula K Hatzios. Emerging roles of low-molecular-weight thiols at the host-microbe interface. Current opinion in chemical biology. 2023 Aug;75:102322

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PMID: 37201290

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