CsAPRR2通过协调叶绿体生物发生和光合作用相关的基因表达来调节黄瓜未成熟水果的颜色
Hanqiang Liu1, Mingming Cui2, Kaihong Hu3
1Hainan Institute of Northwest A&F University, Sanya, Hainan, 572024, China.
The Plant journal : for cell and molecular biology
|September 27, 2025
概括
黄瓜水果的颜色是由CsAPRR2决定的,这是一种调节叶绿体发育和色素生产的基因. 在CsAPRR2的突变导致白色不成熟的水果颜色,影响营销能力和消费者偏好.
科学领域:
- 植物遗传学 植物遗传学
- 分子生物学分子生物学
- 农业科学 农业科学
背景情况:
- 黄瓜 (Cucumis sativus L.) 的不成熟水果颜色 (IFC) 是影响消费者选择的关键特征.
- 之前在CsAPRR2中发现的一种突变,即单基插入 (-/G),导致过早停止密码子和GCT盒子的损失,与白色IFC和减少基因表达有关.
研究的目的:
- 阐明CsAPRR2在调节黄瓜中的IFC和叶绿体发育中的作用.
- 确定CsAPRR2的下游目标,并了解其相互作用机制.
主要方法:
- RNA干扰 (RNAi) 和 CsAPRR2.2 的转基因过度表达.
- 染色体免疫沉测序 (ChIP-seq) 和转录组概况.
- 分析CsAPRR2和转录因子之间的蛋白质-蛋白质相互作用.
主要成果:
- CsAPRR2对于调节IFC至关重要,突变导致白色果实.
- CsAPRR2调节了225个基因的目标基因,这些基因参与了甲状腺膜蛋白和叶绿素生物合成.
- 抑制CsAPRR2会影响叶绿体的发育,并降低颜料含量.
- CsAPRR2与CsTCP15和CsTCP20B转录因子相互作用,以一种GCT盒子依赖的方式.
结论:
- 在黄瓜中,CsAPRR2是叶绿体生物发生和不成熟水果色素化的中央调节者.
- 由CsAPRR2调解的转录因子相互作用对于光合作用相关的基因表达和水果颜色发育至关重要.
关键词:
年利率2 年利率2这种植物名为Cucumis sativus L.GCT 盒子图案的图案是 GCT 盒子.在GWAS中,GWAS就是GWAS.叶绿体的发展 叶绿体的发展不成熟的水果颜色不成熟的水果颜色更多相关视频
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