植物低温胁迫响应miRNAs及其在茶树抗寒研究中的应用

doi:10.13305/j.cnki.jts.2013.03.007

摘要/Abstract

摘要： miRNAs（microRNAs）通过互补配对的方式指导mRNA剪切或者抑制翻译负调控基因的表达。在植物中miRNAs不仅参与调控生长发育,还在低温等多种逆境胁迫下发挥着重要作用。文章介绍了植物miRNAs的形成、作用机制及功能,分析其在低温胁迫基因调控网络中的作用及在茶树中的相关研究,旨在系统深入了解低温响应miRNAs在抗寒机制中的作用,为深入开展茶树抗寒性研究提供新思路。

关键词: miRNAs（microRNAs）, 低温胁迫, 茶, 基因调控网络

Abstract: MiRNAs(MicroRNAs) negatively regulate the expression of gene by targeting mRNA for cleavage or translational repression in a sequence-complementary dependent manner. Plant miRNAs not only involved in the regulation of growth and development but also played an important role in response to cold as well as other abiotic stresses. This article described plant miRNAs biogenesis and mechanism, and analyzed the effect of miRNAs in gene regulatory networks under cold stress. The knowledge for understanding the role of cold-stress-responsive miRNAs and the new ideas for improving cold tolerance of Camellia sinensis were provided in the paper.

Key words: miRNAs(microRNAs), cold stress, Camellia sinensis, gene regulatory networks

中图分类号:

S571.1

朱全武, 范凯, 谢艳兰, 董迹芬, 詹宇雯, 骆耀平. 植物低温胁迫响应miRNAs及其在茶树抗寒研究中的应用[J]. 茶叶科学, 2013, 33(3): 212-220. doi: 10.13305/j.cnki.jts.2013.03.007.

ZHU Quan-wu, FAN Kai, XIE Yan-lan, DONG Ji-fen, Zhan Yu-wen, LUO Yao-ping. Progress in Plant Cold-stress-responsive miRNAs and the Application in Cold Resistance Research of Camellia sinensis[J]. Journal of Tea Science, 2013, 33(3): 212-220. doi: 10.13305/j.cnki.jts.2013.03.007.

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