Article
Natural variation in OsTPS8 confers differential regulation of chalkiness and seed vigor in indica and japonica rice.
Nature genetics - 1 Jan 2026
Chen Xiaoli, Ren Yulong, Dong Hui, Jiang Xiaokang, Zheng Xiaoming, Duan Erchao, Teng Xuan, Wang Yunlong, Gu Chuanwei, Chen Rongbo, Wang Qingkai, Wang Yongfei, Zhang Yipeng, Zhang Rushuang, Zhang Yunpeng, Zhao Wenjie, Zhang Yu, Yang Xue, Zhou Lei, Li Chao, Shan Tiaofeng, Bao Yiqun, Tian Yunlu, Liu Xi, Liu Shijia, Guo Tao, Chen Mingjiang, Wang Haiyang, Wang Yihua, Wan Jianmin
Abstract excerpt
Chalkiness and seed vigor are major agronomic traits affecting rice grain quality and productivity, respectively. Little is known about the intrinsic relationship and the regulatory mechanisms of these two traits. Here we identified a chalkiness locus qPGWC-8, which encodes trehalose-6-phosphate synthase 8 (OsTPS8) that suppresses trehalose-6-phosphate (Tre6P) biosynthesis by interacting with and inhibiting...
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