Drought-tolerant AmASMT gene

Key melatonin synthase

Overexpression of this gene in rice elevates endogenous melatonin and strengthens antioxidant defenses, markedly improving drought tolerance.

Wang, Jing · Li, Shuxia · Wenxue, Song · Wang, Xing · Li, Xiaocong · Gao, Xueqin · Fu, Bingzhe

Plant Physiology and Biochemistry 2025

Advantages

Rice lines overexpressing AmASMT exhibit higher endogenous melatonin levels

Enhanced drought tolerance via promotion of antioxidant systems