Natural variation in Ghd7 is an important regulator of heading date and yield potential in rice

被引：1368

作者：

Xue, Weiya ^{[1
]}

Xing, Yongzhong ^{[1
]}

Weng, Xiaoyu ^{[1
]}

Zhao, Yu ^{[1
]}

Tang, Weijiang ^{[1
]}

Wang, Lei ^{[1
]}

Zhou, Hongju ^{[1
]}

Yu, Sibin ^{[1
]}

Xu, Caiguo ^{[1
]}

Li, Xianghua ^{[1
]}

Zhang, Qifa ^{[1
]}

机构：

[1] Huazhong Agr Univ, Natl Key Lab Crop Genet Improvement, Natl Ctr Plant Gene Res Wuhan, Wuhan 430070, Peoples R China

来源：

NATURE GENETICS | 2008年 / 40卷 / 06期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1038/ng.143

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

Yield potential, plant height and heading date are three classes of traits that determine the productivity of many crop plants. Here we show that the quantitative trait locus (QTL) Ghd7, isolated from an elite rice hybrid and encoding a CCT domain protein, has major effects on an array of traits in rice, including number of grains per panicle, plant height and heading date. Enhanced expression of Ghd7 under long-day conditions delays heading and increases plant height and panicle size. Natural mutants with reduced function enable rice to be cultivated in temperate and cooler regions. Thus, Ghd7 has played crucial roles for increasing productivity and adaptability of rice globally.

引用

收藏

页码：761 / 767

页数：7

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