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时间序列转录组分析确定LaMYB3R1d是白色狼群根生长的新型调节者

Rui Lu¹, Xiaoqi Zhu¹, Jingwen Fu¹

¹College of Resources and Environment, Joint International Research Laboratory of Water and Nutrient in Crop and College of Juncao Science and Ecology, Fujian Agriculture and Forestry University, Fuzhou, China.

Physiologia plantarum

|December 22, 2025

概括

在低的条件下,白色狼会形成集群根 (CRs). 一种新型的转录因子LaMYB3R1d被确定为通过激活细胞循环基因促进根子生长的关键调节者.

科学领域:

植物生物学植物生物学
分子生物学分子生物学
遗传学是一个遗传学.

背景情况:

白色狼 (Lupinus albus L.) 在低 (P) 的环境中形成集群根 (CRs).
控制CR根芽发育的分子机制尚不清楚.

研究的目的:

研究在CR发育过程中控制白色狼根子生长的分子机制.
在CRs中确定细胞周期进展的关键调节者.

主要方法:

从开发CRs的时间过程转录组的权重基因共同表达网络分析 (WGCNA).
对基因本体学 (GO) 术语,转录因子 (TF) 和 cis-regulatory 动机进行丰富分析.
一个新型TF的识别和功能特征,LaMYB3R1d.

主要成果:

确定了与CR发展相关的五个特定阶段的基因模块.
与细胞循环进展相关的基因在与根茎生长相关的模块中得到了显著的丰富.
确定了LaMYB3R1d作为一种关键的TF,该TF结合了线粒分裂特异激活剂 (MSA) 元素.
LaMYB3R1d激活细胞周期基因 (例如,LaCYCB1;4a,LaCYCB1;4b) 的转录,促进根茎的生长.

结论:

LaMYB3R1d是白色狼根子生长的关键调节者,对低P的反应.
这项研究增强了对CR发育和植物适应P缺乏症的理解.
这些发现为营养压力下的根系结构提供了新的分子洞察力.

关键词:

拉米B3R1R1 的意思在WGCNA中,WGCNA是WGCNA.这就是cis-regulatory的动机.集群根的增长集群根的增长白色的狼是白色的狼.

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