Identifying and characterizing Hfq-RNA interactions.

Identifying and characterizing Hfq-RNA interactions.
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DOI:
10.1016/j.ymeth.2013.04.023
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发表时间:
2013-09-15
期刊:
影响因子:
4.8
通讯作者:
Feig, A. L.
Feig, A. L.
中科院分区:
生物学3区
文献类型:
--
作者:
Faner, M. A.;Feig, A. L.

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为了调节应激反应和毒力,细菌使用小的调节RNA(sRNA)。这些RNA可以通过影响核糖体进入和RNA衰变,通过碱基配对上调或下调靶mRNA。一类被称为反式编码sRNAs的sRNAs需要RNA结合蛋白Hfq来促进调节RNA与其靶mRNA之间的碱基配对。由此产生的调节网络在E. coli和革兰氏阳性菌S.鼠伤寒沙门氏菌,但在不同的细菌群体中认识到Hfq依赖性sRNA调节的重要性。本文就Hfq结合RNA的发现、相互作用的研究及功能的阐明等方面进行综述。
To regulate stress responses and virulence, bacteria use small regulatory RNAs (sRNAs). These RNAs can up or down regulate target mRNAs through base pairing by influencing ribosomal access and RNA decay. A large class of these sRNAs, called trans-encoded sRNAs, requires the RNA binding protein Hfq to facilitate base pairing between the regulatory RNA and its target mRNA. The resulting network of regulation is best characterized in E. coli and S. typhimurium, but the importance of Hfq dependent sRNA regulation is recognized in a diverse population of bacteria. In this review we present the approaches and methods used to discover Hfq binding RNAs, characterize their interactions and elucidate their functions.
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