植物miR394生物学功能研究进展  

Advances in biological functions of plant miR394

作　　者：耿昭 刘建光[1] 赵贵元[1] 王永强[1] 张寒霜[1] GENG Zhao;LIU Jianguang;ZHAO Guiyuan;WANG Yongqiang;ZHANG Hanshuang(Cotton Research Institute,Hebei Academy of Agriculture and Forestry Sciences/Key Laboratory of Biology and Genetic Improvement of Cotton in Huanghuaihai Semiarid Area,Shijiazhuang 050051,China)

机构地区：[1]河北省农林科学院棉花研究所/农业部黄淮海半干旱区棉花生物学与遗传育种重点实验室,石家庄050051

出　　处：《植物生理学报》2020年第10期2040-2046,共7页Plant Physiology Journal

基　　金：河北省青年科学基金(C2018301088);河北省现代农业产业技术体系(HBCT2018040203);河北省农林科学院创新工程(2019-1-3-02)。

摘　　要：MicroRNA(miRNA)是真核生物中一类内源非编码蛋白的核酸单链小分子RNA,在细胞机体调控网络中发挥着重要的作用。miR394是众多发现的miRNA家族成员之一,其前体序列在不同的植物中不尽相同,但都含有相同的20~22 nt高度保守的成熟片段。miR394通过完全互补或者近完全互补的方式作用于靶基因进而调控靶基因的表达,其靶基因主要编码F-box蛋白(FBX)并在植物的生长发育、生物和非生物应答胁迫中发挥重要的作用。本文主要对miR394在植物中作用机制、靶基因和生物学功能进行综述,并对miR394的研究现状进行思考,为进一步研究miR394家族在植物中的生物学功能及其调控机制提供参考。MicroRNA(miRNA) is a class of short endogenous non-coding small RNA, which plays a important role in cell regulation mechanism. The miR394 is one of the many discovered miRNA members, whose precursor sequences vary from plants. while all miR394 contains the same mature fragment 20–22 nt. The miR394 regulates gene expression by acting on target genes in a fully complementary or near-completely manner, playing a major role in plant growth and development, biotic and abiotic response of stress. This review focused on the mechanism, target genes and biological functions of miR394 in plants, and discussed the future research directions of miR394 to provide references for further study of related researches.

关 键 词：miR394 F-BOX 生长发育 逆境响应 

分 类 号：Q943.2[生物学—植物学]