期刊
CURRENT OPINION IN MICROBIOLOGY
卷 34, 期 -, 页码 31-37出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/j.mib.2016.07.015
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资金
- National Institute of Dental and Craniofacial Research of the National Institutes of Health [DE017382, DE025015]
- Welch Foundation Grant [AU-1714]
The Gram-positive cell envelope serves as a molecular platform for surface display of capsular polysaccharides, wall teichoic acids (WTAs), lipoteichoic acids (LTAs), lipoproteins, surface proteins and pili. WTAs, LTAs, and sortase-assembled pili are a few features that make the Gram-positive cell envelope distinct from the Gram-negative counterpart. Interestingly, a set of LytR-CpsA-Psr family proteins, found in all Gram-positives but limited to a minority of Gram-negative organisms, plays divergent functions, while decorating the cell envelope with glycans. Furthermore, a phylum of Gram-positive bacteria, the actinobacteria, appear to employ oxidative protein folding as the major folding mechanism, typically occurring in an oxidizing environment of the Gram-negative periplasm. These distinctive features will be highlighted, along with recent findings in the cell envelope biogenesis.
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