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CsATG8f和CsRAP2.12之间的相互作用在Camellia sinensis中潜水时调节抗氧化防御和低氧反应

Rou Zeng¹, Yun Liu¹, Lisha Yu¹

¹College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.

International journal of molecular sciences

|January 10, 2026

概括

茶叶植物使用与自相关的基因CsATG8f来生存洪水压力. CsATG8f与CsRAP2.12相互作用,通过调节低氧反应和抗氧化系统来增强潜水耐受性.

科学领域:

植物生物学植物生物学
分子生物学分子生物学
压力生理学压力生理学

背景情况:

自是一种保存的细胞过程,对于维持恒温和适应环境压力至关重要.
与自相关的基因 (ATG) 在植物对像缺氧这样的非生物挑战的反应中起着重要作用.
茶叶植物虽然喜欢水分,但对浸水很敏感,因此需要研究它们的耐压力机制.

研究的目的:

调查自相关基因CsATG8f在浸泡压力下茶叶植物中的功能.
阐明 CsATG8f 和 CsRAP2.12 在介导潜水耐受性的相互作用.
了解涉及CsATG8f和CsRAP2.12在茶叶植物适应洪水时的监管网络.

主要方法:

使用过度表达和基因沉默技术来研究CsATG8f功能.
在潜水条件下观察到自细胞形成.
证实了CsATG8f和CsRAP2.12之间的蛋白质相互作用.
对缺氧反应和抗氧化基因的基因表达分析进行了.
在沉默植物中测量了GABA水平.

主要成果:

过度表达CsATG8f增加了茶叶植物中自细胞的形成,这些茶叶植物遭受了潜水.
CsATG8f与CsRAP2.12.12进行物理相互作用.
CsATG8f和CsRAP2.12的共同过度表达调节了低氧反应基因并激活了抗氧化系统,增强了潜水抵抗力.
对CsATG8f的基因沉默导致GABA水平增加,作为减轻压力的策略.

结论:

CsATG8f是茶叶植物对潜水压力的耐受性的关键调节者.
CsATG8f和CsRAP2.12之间的相互作用对于增强抗洪能力至关重要.
这项研究提供了对茶叶植物适应浸水条件的基础分子机制的新见解.

关键词:

在ATG8中,它是ATG8.在ROS清理垃圾.自自是自的过程.潜水抵抗性的潜水阻力茶叶植物茶叶植物

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