The impact of RNA structure on picornavirus IRES activity.
The impact of RNA structure on picornavirus IRES activity.
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DOI:
10.1016/j.tim.2008.01.013
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发表时间:
2008-05
影响因子:
15.9
通讯作者:
Martínez-Salas E
中科院分区:
文献类型:
--
作者:
Martínez-Salas E
Internal ribosome entry site (IRES) elements consist of cis-acting regions that recruit the translation machinery to an internal position in the mRNA. The biological relevance of RNA structure-mediated mechanisms involved in internal ribosome recruitment is now emerging from the structural and functional analysis of viral IRES elements. However, because IRES elements found in genetically distant mRNAs seem to be organized in different RNA structures, the definition of the structural requirements for IRES activity is challenging and demands multidisciplinary approaches. This review discusses the latest reports that establish a relationship between RNA structure and IRES function in picornavirus genomes, the first RNAs described to contain these specialized regulatory elements.
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