Riboswitches: structures and mechanisms.
Riboswitches: structures and mechanisms.
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DOI:
10.1101/cshperspect.a003533
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发表时间:
2011-06-01
影响因子:
7.2
通讯作者:
Batey RT
中科院分区:
文献类型:
--
作者:
Garst AD;Edwards AL;Batey RT
A critical feature of the hypothesized RNA world would have been the ability to control chemical processes in response to environmental cues. Riboswitches present themselves as viable candidates for a sophisticated mechanism of regulatory control in RNA-based life. These regulatory elements in the modern world are most commonly found in the 5′-untranslated regions of bacterial mRNAs, directly interacting with metabolites as a means of regulating expression of the coding region via a secondary structural switch. In this review, we focus on recent insights into how these RNAs fold into complex architectures capable of both recognizing a specific small molecule compound and exerting regulatory control over downstream sequences, with an emphasis on transcriptional regulation.
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