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Article

ABA enhances drought tolerance in tomato seedlings and is partially dependent on SlDML2-directed DNA demethylation.

Plant & cell physiology - 2 Jun 2026

Liu Zesheng, Wang Chunlei, Luo Yanyan, Pan Xuejuan, Yao Yandong, Liao Weibiao

Abstract excerpt

Abscisic acid (ABA) is a phytohormone that alleviates drought stress in many plant species. DNA methylation also plays an important role in plant drought stress tolerance. However, the relationship between ABA and DNA demethylase is unclear. Here, the action mechanism of tomato DEMETER-LIKE protein 2 (DML2) in ABA-mediated drought stress resistance was studied by mutating SlDML2. We found that the mutation of...

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PMID: 41263500
DOI: 10.1093/pcp/pcaf156

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