Author Correction: Multi-target mode of action of silver against Staphylococcus aureus endows it with capability to combat antibiotic resistance
Nature Communications(2021)
摘要
The rapid emergence of drug resistant Staphylococcus aureus (S. aureus) poses a serious threat to public health globally. Silver (Ag)-based antimicrobials are promising to combat antibiotic resistant S. aureus, yet their molecular targets are largely elusive. Herein, we separate and identify 38 authentic Ag+-binding proteins in S. aureus at the whole-cell scale. We then capture the molecular snapshot on the dynamic action of Ag+ against S. aureus and further validate that Ag+ could inhibit a key target 6-phosphogluconate dehydrogenase through binding to catalytic His185 by X-ray crystallography. Significantly, the multi-target mode of action of Ag+ (and nanosilver) endows its sustainable antimicrobial efficacy, leading to enhanced efficacy of conventional antibiotics and resensitization of MRSA to antibiotics. Our study resolves the long-standing question of the molecular targets of silver in S. aureus and offers insights into the sustainable bacterial susceptibility of silver, providing a potential approach for combating antimicrobial resistance. Silver (Ag) has been used as an antimicrobial agent since a long time, but its molecular mechanism of action was not elucidated due to technical challenges. Here, the authors develop a mass spectrometric approach to identify the Ag-proteome in Staphylococcus aureus, and capture a molecular snapshot of the dynamic bactericidal mode of action of Ag through targeting multiple biological pathways.
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关键词
Antimicrobial resistance,Antimicrobials,Metals,Proteomics,X-ray crystallography,Science,Humanities and Social Sciences,multidisciplinary
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