[1]黎豪,陈宗顺,张叶.水稻赤霉素合成代谢相关基因的生物信息学及表达特性分析[J].江苏农业科学,2025,53(17):43-51.
 Li hao,et al.Bioinformatic and expression characterization of genes involved in gibberellin biosynthesis and metabolism in rice[J].Jiangsu Agricultural Sciences,2025,53(17):43-51.
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水稻赤霉素合成代谢相关基因的生物信息学及表达特性分析()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第53卷
期数:
2025年第17期
页码:
43-51
栏目:
生物技术
出版日期:
2025-09-05

文章信息/Info

Title:
Bioinformatic and expression characterization of genes involved in gibberellin biosynthesis and metabolism in rice
作者:
黎豪1陈宗顺2张叶3
1.岳阳职业技术学院,湖南岳阳 414000; 2.益阳职业技术学院,湖南益阳 413000; 3.岳阳市农业科学研究院,湖南岳阳 414000
Author(s):
Li haoet al
关键词:
水稻赤霉素合成代谢生物信息学分析基因表达理化性质
Keywords:
-
分类号:
S511.01;S511.03
DOI:
-
文献标志码:
A
摘要:
为研究水稻中与赤霉素(gibberellin,GA)合成代谢相关的基因及其表达模式,通过国家水稻数据中心获取GA合成代谢相关基因信息,结合多个数据库与软件工具,对这些基因编码蛋白质的理化性质、二级结构、跨膜结构域、信号肽、保守结构域、motif,以及基因的进化树、染色体定位、亚细胞定位、蛋白互作调控网络、启动子顺式作用元件等进行综合分析,并利用实时荧光定量PCR技术分析其在水稻不同生长阶段和组织部位的表达特性。结果表明,GA合成代谢相关基因在水稻基因组中广泛分布,其编码蛋白质在理化性质、亚细胞定位和膜结构特征上既存在相似性,也存在差异性。进化树分析显示,这些基因具有共同起源,且存在多个保守motif和保守结构域;亚细胞定位预测显示,这些蛋白质主要定位于细胞质中,且无跨膜结构域;蛋白互作调控网络分析表明,这些基因编码的蛋白质之间存在复杂的互作关系,其中OsGA3ox1、OsGA3ox2、OsGA20ox1、OsGA20ox3在调控网络中起关键作用。顺式作用元件分析显示,基因启动子区域富含多种激素响应元件和逆境响应元件;基因共线性分析发现,14个基因形成了7对片段复制基因对;表达特性分析显示,这些基因在不同组织及发育阶段的表达模式存在明显差异,部分基因在特定组织中持续表达,反映了赤霉素合成与代谢相关基因的精细调控机制。本研究为深入理解水稻赤霉素调控机制提供了新的视角,也为水稻的遗传改良和分子育种提供了重要的理论依据。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2025-03-26
基金项目:湖南省青年骨干教师培养项目[编号:湘教通(2022)287号];益阳市科技局自然科学基金[编号:益财教指(2022)108号];益阳职院乡村振兴学院项目(编号:YYZYSQ2023012)。
作者简介:黎豪(1996—),男,湖南岳阳人,硕士,讲师,主要从事作物栽培生理学研究。E-mail:670942445@qq.com。
通信作者:陈宗顺,硕士,讲师,主要从事植物种植研究。E-mail:823297604@qq.com。
更新日期/Last Update: 2025-09-05