The prolipoprotein diacylglyceryl transferase (Lgt) of Enterococcus faecalis contributes to virulence
Reffuveille, Fany and Serror, Pascale and Chevalier, Sylvie and Budin-Verneuil, Aurélie and Ladjouzi, Rabia and Bernay, Benoit and Auffray, Yanick and Rincé, Alain,, 158, 816-825 (2012),
doi = https://doi.org/10.1099/mic.0.055319-0,
publicationName = Microbiology Society,
issn = 1350-0872,
abstract= Enterococcus faecalis is an opportunistic pathogen responsible for nosocomial infections. Lipoproteins in Gram-positive bacteria are translocated across the plasma membrane and anchored by the fatty acid group. They perform critical roles, with some described as virulence determinants. The aim of this study was to explore the roles of E. faecalis lipoproteins in the stress response and virulence. We constructed a mutant affected in the predicted prolipoprotein diacylglyceryl transferase gene lgt, and examined the role of Lgt in membrane anchoring, growth, the stress response and virulence. Inactivation of lgt enhanced growth in a high concentration of Mn2+ or under oxidative stress in vitro, and significantly decreased virulence.,
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