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在干旱期间,对布拉西卡叶 (Brassica juncea) 的生长调节因子进行全基因组识别和表达分析

Yuling Zhang¹, Huanhuan Jiang¹, Fenghao Liang¹

¹Oil Research Institute of Guizhou Province, Guizhou Academy of Agricultural Sciences, Guiyang, 550006, China.

Scientific reports

|December 1, 2024

概括

研究人员在Brassica juncea中确定了34个生长调节因子 (GRF) 基因. 这些基因主要在根部表达,在应对干旱压力的过程中显示出潜在的作用.

科学领域:

植物分子生物学植物分子生物学
基因组学就是基因组学.
植物生理学植物生理学

背景情况:

增长调节因子 (GRF) 是关键的植物特异性转录因子,调节生长,发育和应激反应.
在Brassica juncea (L.) Czern & Coss中,GRF的特定功能仍然在很大程度上未被描述.

研究的目的:

为了识别和表征Brassica juncea中的GRF基因家族.
研究BjGRF基因的表达模式和潜在作用,特别是在干旱压力下.

主要方法:

生物信息分析以识别34个BjGRF基因并分析它们的基因组合,基因结构和促进子cis作用元素.
基因复制事件的识别.
定量实时PCR (qRT-PCR) 检查不同组织和干旱压力下的基因表达.

主要成果:

在Brassica juncea中确定了34个BjGRF基因,在子家族中保留了特征.
促进区域包含与光,激素,压力和生长相关的 cis 作用元素.
分段重复是BjGRF基因扩张的一个关键机制.
BjGRF基因主要表达在根和叶子中.
十个BjGRF基因在干旱压力下显示出一致的表达模式,BjGRF03和BjGRF32被认为参与干旱反应.

结论:

本研究提供了Brassica juncea.中BjGRF基因家族的全面分析.
这些发现强调了特定BjGRF基因在干旱应激反应中的潜在参与.
这项研究为未来对BjGRF基因在植物适应非生物压力的功能性研究奠定了基础.

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