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综合性多组学分析揭示了通过激素和代谢重编程通过果果熟成的奇多介导延迟

Zhiwei Wu¹, Zhisheng Lin², Qinghua Qiao³

¹Xinjiang Key Laboratory of Lavender Conservation and Utilization, College of Biological Sciences and Technology, Yili Normal University, Yining 835000, Xinjiang, China.

Food chemistry. Molecular sciences

|August 18, 2025

概括

酸盐涂层通过重编程激素路径和基因表达来延迟果的成熟. 这通过管理酸和乙烯信号来延长保质期,这对于果实保存至关重要.

科学领域:

植物生理学植物生理学
收获后生物学收获后生物学
分子植物科学分子植物科学

背景情况:

果 (Mangifera indica L.) 是一种有价值的高潮时期的水果,易于收获后迅速恶化.
酸盐涂层延长了保质期,但其分子机制,特别是激素和转录调节,尚不清楚.

研究的目的:

为了研究果中素介导的成熟延迟的分子基础.
为了阐明基托桑与酸 (ABA) 和乙烯信号通路的相互作用.

主要方法:

综合性的多学科方法结合了转录学和代谢学.
分析与ABA和乙烯生物合成,信号和代谢有关的基因表达.
关键代谢物的量化,如胺黄油酸 (GABA).

主要成果:

素抑制了ABA生物合成 (NCED3,ABA2) 和乙烯信号 (ETR1,EIN3/EIN4),同时增强了ABA催化作用 (CYP707A1/4).
增加的GABA水平对抗了ABA,解除了粉转化为糖的合,并保持了水果坚硬性和叶绿素.
确定了WRKY53和bZIP/RF2b转录因子作为ABA-乙烯交叉和细胞壁完整性的关键调节者.

结论:

素通过协调的荷尔蒙和转录重编程延迟了果的成熟.
GABA的积累和特定转录因子的调节对于奇托的作用至关重要.
这些发现为制定有针对性的策略提供了基础,以改善收获后的高潮水果的保存.

关键词:

阿布西斯酸是什么意思?细胞壁动态细胞壁动态乙烯信号传输乙烯信号传输荷尔蒙的交叉语音是什么收获后的保质期收获后的保质期这就是WRKYY.γ-氨基黄油酸 (GABA) 是一种

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