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Melatonin enhances the cold tolerance of tomatoes by promoting ABA accumulation.

Plant cell reports - 26 Apr 2026

Wang Guangzheng, Yang Qing, Dou Jianhua, Wang Junwen, Tang Zhongqi, Yu Jihua

Abstract excerpt

KEY MESSAGE: SlSNAT1-dependent melatonin synthesis enhances tomato cold tolerance by promoting SlNCED1-mediated ABA accumulation, thereby strengthening antioxidant capacity, maintaining photosynthesis, and reducing ROS-induced membrane damage under cold stress. Cold stress limits greenhouse tomato growth by suppressing photosynthesis, promoting reactive oxygen species (ROS) accumulation, and disrupting membrane...

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PMID: 42034713
DOI: 10.1007/s00299-026-03825-6

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