mRNA Turnover in Trypanosomes

mRNA Turnover in Trypanosomes
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锥虫中的 mRNA 周转

DOI:
10.1007/978-3-642-28687-2_4
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发表时间:
2012
期刊:
ChemInform
影响因子:
--
通讯作者:
C. Clayton
C. Clayton
中科院分区:
--
文献类型:
--
作者:
C. Clayton

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大多数动质体 mRNA 由 RNA 聚合酶 II 合成,然后进行反剪接、聚腺苷酸化并从细胞核中输出。然而,动质体转录的多顺反子性质意味着——除了少数例外——mRNA 的量是由转录后决定的。一旦进入细胞质,mRNA 的量由 mRNA 降解的速率决定,蛋白质的量由翻译起始、延伸和蛋白质周转的速率决定。在许多情况下,mRNA 周转的调节被发现起着主导作用。这篇综述讨论了动质体中 mRNA 降解的机制,以及如何控制这种降解。
Most kinetoplastid mRNAs are synthesised by RNA polymerase II, then trans spliced, polyadenylated, and exported from the nucleus. The polycistronic nature of kinetoplastid transcription, however, means that—with a few exceptions—the amount of mRNA is determined by post-transcriptionally. Once in the cytoplasm, the amount of mRNA is determined by the rate of mRNA degradation and the amount of protein by the rates of translation initiation, elongation, and protein turnover. In many cases, regulation of mRNA turnover has been found to play a dominant role. This review discusses the mechanisms of mRNA degradation in kinetoplastids, and how that degradation is controlled.
DOI: 10.1016/j.molcel.2010.08.025
发表时间: 2010-09-10
期刊: Molecular cell
影响因子: 16
作者:
Nissan T;Rajyaguru P;She M;Song H;Parker R
通讯作者: Parker R
DOI: 10.1261/rna.2145110
发表时间: 2010-07-01
期刊: RNA
影响因子: 4.5
作者:
Temme, Claudia;Zhang, Lianbing;Wahle, Elmar
通讯作者: Wahle, Elmar