小麦吉伯雷林氧化酶基因及其在调节耕作中的功能
Ting Wang1, Junchang Li1, Yumei Jiang1
1Henan Technology Innovation Centre of Wheat/National Key Laboratory of Wheat and Maize Crop Science, Henan Agricultural University, Zhengzhou, Henan, China.
PeerJ
|September 6, 2023
概括
吉伯林氧化酶 (GAox) 基因通过影响植物激素水平来调节小麦耕作. 这项研究确定了63个TaGAox基因,揭示了它们在子发育和对Gibberellic酸 (GA3) 的反应中的作用.
科学领域:
- 植物分子生物学 植物分子生物学
- 农业学是一种农业学.
- 遗传学 是一个遗传学.
背景情况:
- 削是小麦 (Triticum aestivum L.) 影响产量的关键农学特征,由多种遗传因素控制.
- 一个矮人单眼动物 (dmc) 突变体在Tiller primordia中表现出高高的Gibberellic acid 3 (GA3) 水平,这表明Gibberellin代谢的作用.
- 之前的转录组分析表明,dmc突变体中几个吉伯雷林氧化酶 (TaGAox) 基因的差异表达.
研究的目的:
- 系统地分析 gibberellin氧化酶 (TaGAox) 基因在调节小麦耕作中的作用.
- 在小麦中识别和表征TaGAox基因家族.
- 为了研究TaGAox基因表达,GA3水平和耕作之间的关系.
主要方法:
- 全基因组分析以确定TaGAox基因.
- 用于基因聚类的生物信息分析,促进区域分析和基因对线性.
- 表达模式分析,外源GA3治疗,因基因过度表达而经由Agrobacterium介导的转化,以及关联分析.
主要成果:
- 鉴定了63个TaGAox基因,分为四个子家族 (GA20oxs,GA2oxs,GA3oxs,GA7oxs) 和七个子组.
- TaGAox基因促进剂含有与激素反应,发育,光和压力相关的cis作用元素.
- TaGAox基因表现出组织特异性表达;外源性GA3应用影响了特定的TaGAox基因并促进了野生类型的耕作,但不是dmc突变. 过度表达TaGA7ox-A1增加了耕作能力.
结论:
- TaGAox基因和吉伯雷林 (GA) 信号参与调节小麦耕作.
- 在dmc突变体中,GA信号通路似乎受到干扰.
- 这项研究为在小麦耕作中GAox基因的功能特征提供了宝贵的见解.
关键词:
表达方式表达方式表达方式表达方式基因转化 基因转化吉伯雷林 (GA) 是一个城市.吉伯列林氧化酶 (GAox) 是一种瓦削削是指使用瓦制造.小麦 (Triticum aestivum L.) 是一种小麦.更多相关视频
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