Author
Listed:
- Haihai Wang
(National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology & Ecology)
- Yongcai Huang
(National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology & Ecology
University of the Chinese Academy of Sciences)
- Qiao Xiao
(National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology & Ecology
University of the Chinese Academy of Sciences)
- Xing Huang
(National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology & Ecology
University of the Chinese Academy of Sciences)
- Changsheng Li
(National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology & Ecology)
- Xiaoyan Gao
(National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology & Ecology)
- Qiong Wang
(National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology & Ecology)
- Xiaoli Xiang
(National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology & Ecology)
- Yidong Zhu
(National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology & Ecology
University of the Chinese Academy of Sciences)
- Jiechen Wang
(National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology & Ecology)
- Wenqin Wang
(Shanghai Jiao Tong University)
- Brian A. Larkins
(University of Arizona)
- Yongrui Wu
(National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology & Ecology)
Abstract
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 carotenoids in the amyloplast. Coincidently, the stability of amyloplast membranes is increased during kernel desiccation. The lipid composition in endosperm cells in A619 is altered, giving rise to a persistent amyloplast envelope. These changes impede the gathering of protein bodies and prevent them from interacting with starch grains, creating air spaces that cause an opaque kernel phenotype. Genetic modifiers were identified that alter the effect of Ven1A619, while maintaining a high β-carotene level. These studies provide insight for breeding vitreous kernel varieties and high vitamin A content in maize.
Suggested Citation
Haihai Wang & Yongcai Huang & Qiao Xiao & Xing Huang & Changsheng Li & Xiaoyan Gao & Qiong Wang & Xiaoli Xiang & Yidong Zhu & Jiechen Wang & Wenqin Wang & Brian A. Larkins & Yongrui Wu, 2020.
"Carotenoids modulate kernel texture in maize by influencing amyloplast envelope integrity,"
Nature Communications, Nature, vol. 11(1), pages 1-13, December.
Handle:
RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-19196-9
DOI: 10.1038/s41467-020-19196-9
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Citations
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Cited by:
- Dora Zurak & Darko Grbeša & Marija Duvnjak & Goran Kiš & Tatjana Međimurec & Kristina Kljak, 2021.
"Carotenoid Content and Bioaccessibility in Commercial Maize Hybrids,"
Agriculture, MDPI, vol. 11(7), pages 1-12, June.
- Yuxin Fu & Wenxin Xiao & Lang Tian & Liangxing Guo & Guangjin Ma & Chen Ji & Yongcai Huang & Haihai Wang & Xingguo Wu & Tao Yang & Jiechen Wang & Jirui Wang & Yongrui Wu & Wenqin Wang, 2023.
"Spatial transcriptomics uncover sucrose post-phloem transport during maize kernel development,"
Nature Communications, Nature, vol. 14(1), pages 1-11, December.
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