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Physiological Relevance Of A Trna-Dependent Mechanism For Membrane Modification In Enterococcus Faecium, Jesse Harrison
Physiological Relevance Of A Trna-Dependent Mechanism For Membrane Modification In Enterococcus Faecium, Jesse Harrison
HIM 1990-2015
Enterococci were once thought to be harmless, commensal organisms that colonize the gastrointestinal tract of humans and other mammals. In the last 30 years, however, concern has grown in the clinical setting over two particular species, Enterococcus faecalis and Enterococcus faecium, which are frequently found to be the etiologic agents of nosocomial infections. Aminoacyl-phosphatidylglycerol synthases (aaPGSs) are integral membrane proteins that add amino acids to phosphatidylglycerol (PG) in the cellular envelope of bacteria. Addition of amino acids to PG confers resistance to various therapeutic antimicrobial agents, and contributes to evasion of the host immune response in a number of clinically …