转录因子BOL/DRNL/ESR2与石路径之间的相互作用
Beatriz E Ruiz-Cortés1, Yolanda Durán-Medina1, C Cecilia Ramos-Tamayo1,2
1Irapuato Unit, Biotechnology and Biochemistry Department, Cinvestav, Irapuato C.P. 36824, Guanajuato, Mexico.
Plants (Basel, Switzerland)
|June 27, 2025
概括
转录因子BOL与Arabidopsis中的莉花酸 (JA) 信号相互作用,影响器官发育. BOL调节JA水平和信号,而JA信号影响BOL的表达和活动.
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 遗传学 是一个
背景情况:
- BOL/DRNL/ESR2是一种AP2/ERF转录因子,调节了Arabidopsis thaliana的早期器官发育.
- 失去BOL功能会导致花器官缺陷,而过度表达会导致荷尔蒙独立的根结质形成.
- 斯酸盐 (JAs) 是植物激素,参与应激反应和器官发育,包括茎发育和生长.
研究的目的:
- 为了研究BOL转录因子和斯酸盐 (JA) 信号通路之间的相互作用.
- 阐明JA在BOL介导器官发育中的作用,反之亦然.
主要方法:
- 甲基斯酸盐 (MeJA) 对野生类型和突变的阿拉比多普西斯植物的外部应用.
- JA生物合成抑制的治疗方法.
- 对表型救援和仿真反应对治疗的分析.
- 测量内源性JA水平的测量.
- 对JA反应性标记物基因表达的分析.
- 评估BOL表达式域的变化.
主要成果:
- MeJA在bol-cr突变体中部分挽救了茎缺陷,将BOL与JA介导的茎发育联系起来.
- MeJA治疗模仿了一些bol-D突变表型 (缩小大小),JA抑制恢复了野生类型的叶子曲率,这表明功能获取突变者改变了JA稳态.
- 过度表达增加了JA水平,而功能丧失降低了它们. 诱导性BOL活性降低了JA-响应的标记物,JA生物合成的抑制影响了BOL诱导的根和BOL表达域.
结论:
- BOL调节JA通路的各个方面,影响器官发育.
- 来自JA途径的反会影响BOL转录因子的表达.
- 这项研究揭示了BOL和JA信号在Arabidopsis发育中的复杂相互作用.
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