Enhancement of oxidative and drought tolerance in Arabidopsis by overaccumulation of antioxidant flavonoids
作者： Ryo Nakabayashi , Keiko Yonekura‐Sakakibara , Kaoru Urano , Makoto Suzuki , Yutaka Yamada
DOI: 10.1111/TPJ.12388
关键词: Biochemistry 、 Metabolome 、 Biology 、 Flavonols 、 Abiotic stress 、 Drought tolerance 、 Arabidopsis 、 Reactive oxygen species 、 Arabidopsis thaliana 、 Oxidative stress
摘要: The notion that plants use specialized metabolism to protect against environmental stresses needs to be experimentally proven by addressing the question of whether stress tolerance by specialized metabolism is directly due to metabolites such as flavonoids. We report that flavonoids with radical scavenging activity mitigate against oxidative and drought stress in Arabidopsis thaliana. Metabolome and transcriptome profiling and experiments with oxidative and drought stress in wild‐type, single overexpressors of MYB 12/PFG 1 …
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