Lipoyl-E2-PDH Gets a Second Job.

Cell Host Microbe

Pathogen Molecular Genetics Section, Laboratory of Bacteriology, National Institute of Allergy and Infectious Diseases, U.S. National Institutes of Health, Bethesda, MD, USA. Electronic address:

Published: November 2017

Pyruvate dehydrogenase (PDH) plays a well-known metabolic role inside cells. In this issue of Cell Host & Microbe, Grayczyk et al. (2017) show that the bacterial pathogen Staphylococcus aureus unexpectedly secretes and repurposes the lipoylated E2 subunit of PDH to suppress TLR-mediated activation of host macrophages by bacterial lipoproteins.

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http://dx.doi.org/10.1016/j.chom.2017.10.018DOI Listing

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