Article
Carotenoids modulate kernel texture in maize by influencing amyloplast envelope integrity.
Nature communications - 22 Oct 2020
Wang Haihai, Huang Yongcai, Xiao Qiao, Huang Xing, Li Changsheng, Gao Xiaoyan, Wang Qiong, Xiang Xiaoli, Zhu Yidong, Wang Jiechen, Wang Wenqin, Larkins Brian A, Wu Yongrui
Abstract excerpt
The mechanism that creates vitreous endosperm in the mature maize kernel is poorly understood. We identified Vitreous endosperm 1 (Ven1) as a major QTL influencing this process. Ven1 encodes β-carotene hydroxylase 3, an enzyme that modulates carotenoid composition in the amyloplast envelope. The A619 inbred contains a nonfunctional Ven1 allele, leading to a decrease in polar and an increase in non-polar...
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