期刊
TRENDS IN BIOCHEMICAL SCIENCES
卷 43, 期 9, 页码 668-684出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tibs.2018.06.011
关键词
-
资金
- National Institutes of Health [R01 AI125518, R35 GM127134]
Macrolide antibiotics inhibit protein synthesis by targeting the bacterial ribosome. They bind at the nascent peptide exit tunnel and partially occlude it. Thus, macrolides have been viewed as 'tunnel plugs' that stop the synthesis of every protein. More recent evidence, however, demonstrates that macrolides selectively inhibit the translation of a subset of cellular proteins, and that their action crucially depends on the nascent protein sequence and on the antibiotic structure. Therefore, macrolides emerge as modulators of translation rather than as global inhibitors of protein synthesis. The context-specific action of macrolides is the basis for regulating the expression of resistance genes. Understanding the details of the mechanism of macrolide action may inform rational design of new drugs and unveil important principles of translation regulation.
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