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CpSPL10-CpELF4模块涉及中国桃花分化的负调节

Chunqiong Shang¹, Qiandong Hou², Guang Qiao²

¹Institute for Forest Resources & Environment of Guizhou, College of Forestry, Guizhou University, Guiyang 550025, Guizhou Province, China; Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), Institute of Agro-Bioengineering, Guizhou University, Guiyang 550025, China.

International journal of biological macromolecules

|September 25, 2024

概括

SQUAMOSA促进体结合蛋白类 (SPL) 基因调节花朵的发育. 这项研究确定了32个中国桃SPL基因,揭示了CpSPL10通过与CpELF4.4相互作用来负面控制花分化.

科学领域:

植物分子生物学植物分子生物学
植物繁殖发展植物繁殖发展
遗传学遗传学是一个

背景情况:

SQUAMOSA促进体结合蛋白样 (SPL) 基因是花诱导的重要调节者.
在中国桃 (Prunus pseudocerasus) 花发育中缺乏SPL基因的全面分析.

研究的目的:

在中国桃中识别和描述SPL基因.
研究SPL特定基因,特别是CpSPL10在花分化中的作用.

主要方法:

32个CpSPL基因的识别和表达概况.
在转基因烟草中进行过度表达研究,以评估CpSPL10功能.
对CpSPL10,CpSPL9和CpFRS5.5之间的相互作用进行分析.
在Arabidopsis中进行记者基因测试,以检查促进体活性.

主要成果:

在花分化过程中,确定了32个CPSPL基因具有组织特异的表达模式.
过度表达CpSPL10延迟了烟草的开花,并增强了NbELF4转录的积累.
CpSPL10与CpSPL9或CpFRS5相互作用,激活CpELF4的表达,从而负面调节花分化.

结论:

CpSPL10-CpELF4模块在中国桃花区分方面发挥了负面的监管作用.
研究结果提供了关于SPL,FRS和ELF4在花发育中的关系的见解.

关键词:

中国的桃,中国的桃.在 ELF4 中, ELF4 在 ELF4 中.在FRS中使用FRS.花蕾的分化花蕾的分化开花时间开花时间在SPL中,SPL是SPL.

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