The light and hypoxia induced gene ZmPORB1 determines tocopherol content in the maize kernel

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成果类型：

期刊论文

作者：

Liu, Nannan;Du, Yuanhao;Yan, Shijuan;Chen, Wei;Deng, Min;...

通讯作者：

Yan, JB

作者机构：

[Liu, Nannan; Chen, Wei; Yan, Jianbing; Du, Yuanhao] Huazhong Agr Univ, Natl Key Lab Crop Genet Improvement, Wuhan 430070, Peoples R China.

[Liu, Nannan; Chen, Wei; Yan, Jianbing; Du, Yuanhao] Hubei Hongshan Lab, Wuhan 430070, Peoples R China.

[Yan, Shijuan; Huang, Wenjie] Guangdong Acad Agr Sci, Agrobiol Gene Res Ctr, Guangzhou 510640, Peoples R China.

[Deng, Min] Hunan Agr Univ, Coll Agron, Changsha 410128, Peoples R China.

[Xu, Shutu] Northwest A&F Univ, Coll Agron, Xian 710000, Peoples R China.

通讯机构：

[Yan, JB ] H

Huazhong Agr Univ, Natl Key Lab Crop Genet Improvement, Wuhan 430070, Peoples R China.

Hubei Hongshan Lab, Wuhan 430070, Peoples R China.

语种：

英文

关键词：

ZmPORB1;hypoxia;maize;photosynthesis;tocopherol

期刊：

中国科学:生命科学(英文版)

ISSN：

1674-7305

年：

2024

卷：

期：

页码：

435-448

DOI：

10.1007/s11427-023-2489-2

基金类别：

National Natural Science Foundation of China [32200221, U1901201]; National Key Research and Development Program of China [2022YFD1201502]; Key Area Research and Development Program of Guangdong Province, China [2022B0202060003]; Huazhong Agricultural University Scientific & Technological Self-Innovation Foundation

机构署名：

本校为其他机构

院系归属：

农学院

摘要：

Tocopherol is an important lipid-soluble antioxidant beneficial for both human health and plant growth. Here, we fine mapped a major QTL-qVE1 affecting γ-tocopherol content in maize kernel, positionally cloned and confirmed the underlying gene ZmPORB1 (por1), as a protochlorophyllide oxidoreductase. A 13.7 kb insertion reduced the tocopherol and chlorophyll content, and the photosynthetic activity by repressing ZmPORB1 expression in embryos of NIL-K22, but did not affect the levels of the tocopherol precursors HGA (homogentisic acid) and PMP (...

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The light and hypoxia induced gene ZmPORB1 determines tocopherol content in the maize kernel

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