Post-transcriptional gene regulation: from genome-wide studies to principles.

Post-transcriptional gene regulation: from genome-wide studies to principles.
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DOI:
10.1007/s00018-007-7447-6
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发表时间:
2008-03
影响因子:
8
通讯作者:
Gerber, A. P.
Gerber, A. P.
中科院分区:
生物学1区
文献类型:
--
作者:
Halbeisen, R. E.;Galgano, A.;Scherrer, T.;Gerber, A. P.

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基因表达的转录后调控在诸如发育、代谢和癌症进展等多种细胞过程中发挥着重要作用。虽然许多经典研究探索了对特定mRNA底物的机制及生理影响,但全基因组分析工具的最新发展使在全球范围内研究转录后基因调控成为可能。重要的是,这些研究揭示了不同的RNA调控程序,表明存在一个复杂且多样的转录后调控网络。该网络由特定的RNA结合蛋白和/或非编码RNA控制,它们与RNA中的特定序列或结构元件结合,从而调控部分编码功能相关蛋白质的mRNA子集。将RNA结合蛋白的靶标谱与转录后调控程序联系起来并揭示其生理意义将是未来的一个挑战。
Post-transcriptional regulation of gene expression plays important roles in diverse cellular processes such as development, metabolism and cancer progression. Whereas many classical studies explored the mechanistics and physiological impact on specific mRNA substrates, the recent development of genome-wide analysis tools enables the study of post-transcriptional gene regulation on a global scale. Importantly, these studies revealed distinct programs of RNA regulation, suggesting a complex and versatile post-transcriptional regulatory network. This network is controlled by specific RNA-binding proteins and/or non-coding RNAs, which bind to specific sequence or structural elements in the RNAs and thereby regulate subsets of mRNAs that partly encode functionally related proteins. It will be a future challenge to link the spectra of targets for RNA-binding proteins to post-transcriptional regulatory programs and to reveal its physiological implications.
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