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Biofortifying multiple micronutrients and decreasing arsenic accumulation in rice grain simultaneously by expressing a mutant allele of OAS-TL gene.

The New phytologist - 1 Dec 2024

Xu Xuejie, Sun Sheng-Kai, Gao Axiang, Huang Xin-Yuan, Wirtz Markus, Hell Rüdiger, Zhao Fang-Jie

Abstract excerpt

Rice grains typically contain relatively high levels of toxic arsenic (As) but low levels of essential micronutrients. Biofortification of essential micronutrients while decreasing As accumulation in rice would benefit human nutrition and health. We generated transgenic rice expressing a gain-of-function mutant allele astol1 driven by the OsGPX1 promoter. astol1 encodes a plastid-localized O-acetylserine (thiol)...

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PMID: 39351644
DOI: 10.1111/nph.20168

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