[1]张鑫鑫,钱建财,张莉,等.植物miRNA调控烟草烟碱生物合成研究进展[J].江苏农业科学,2026,54(15):20-26.
 Zhang Xinxin,et al.Research progress on plant miRNA for regulation of tobacco alkaloid biosynthesis[J].Jiangsu Agricultural Sciences,2026,54(15):20-26.
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植物miRNA调控烟草烟碱生物合成研究进展()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第54卷
期数:
2026年第15期
页码:
20-26
栏目:
专论与综述
出版日期:
2026-08-05

文章信息/Info

Title:
Research progress on plant miRNA for regulation of tobacco alkaloid biosynthesis
作者:
张鑫鑫1钱建财2张莉2黄五星1
1.河南农业大学烟草学院,河南郑州 450046; 2.江苏中烟工业有限责任公司,江苏南京 210015
Author(s):
Zhang Xinxinet al
关键词:
miRNA烟草烟碱生物合成
Keywords:
-
分类号:
S572.01
DOI:
-
文献标志码:
A
摘要:
微小RNA(miRNA)是一类内源性、非编码的小RNA分子,通过碱基互补配对切割靶mRNA或抑制翻译来调控植物的次生代谢过程。烟碱是烟草(Nicotiana tabacum)最主要的生物碱成分,在农业和医学领域有较高的应用价值,同时也是影响烟草品质的关键因素。目前烟碱合成途径的上游部分研究较为清楚,许多关键酶基因已被克隆,但miRNA参与烟碱生物合成的研究仍有待深入。本文简要综述了植物miRNA的生物合成、作用机制及miRNA的研究方法,并对国内外近15年miRNA参与烟碱生物合成的相关研究进行分析,重点阐述miRNA在烟草烟碱生物合成中的调控作用:首先,miRNA通过靶向调控烟碱合成的关键酶基因(如PMT、QPT、BBL等)直接调控烟碱合成;其次,miRNA可通过调控烟碱合成相关转录因子(NAC、MYB、WRKY等)间接影响下游基因表达;此外,在打顶等农艺操作引发的胁迫条件下,miRNA能动态调控烟碱合成关键基因的表达,从而影响烟碱合成。最后,本文展望了miRNA在该领域中的研究前景,以期为培育高产优质烟草品种提供一定的参考。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2025-07-03
基金项目:河南省自然科学基金(编号:252300420183);江苏中烟工业有限责任公司科技项目(编号:20220729)。
作者简介:张鑫鑫(2002—),女,河南平顶山人,硕士研究生,主要从事烟草品质生态与质量评价研究。 E-mail:15037503937@163.com。
通信作者:黄五星,博士,教授,主要从事烟草品质生态与质量评价研究。 E-mail:wxhuang@henau.edu.cn。
更新日期/Last Update: 2026-08-05