TheDENSE AND ERECT PANICLE 1(DEP1) gene offering the potential in the breeding of high-yielding rice.
The erect panicle model super-rice can rationally transform the solar energy into accumulated organic matter (biomass) and increase grain yield. The phenotype of erect panicle architecture controlled byDENSE AND ERECT PANICLE 1(DEP1) has been used in rice breeding for nearly a century owing to its high-yield, lodging tolerance with strong stem, reasonable population structure and high nitrogen use efficiency.DEP1is a G protein γ subunit that is involved in the regulation of erect panicle, number of grains per panicle, nitrogen uptake, and stress-tolerance through the G protein signal pathway. Here we review the development of erect panicle rice varieties,DEP1alleles and regulatory network, and its physiological and morphological functions. Additionally, the further increasing the yield potential of erect-panicle super-rice, and the development of molecular designing breeding forindica-japonicahybrid rice with thedep1gene are also prospected.
Rice Research Institute of Shenyang Agricultural University/Key Laboratory of Northern Japonica Rice Genetics and Breeding, Ministry of Education and Liaoning Province/Key Laboratory of Northeast Rice Biology and Genetics and Breeding, Ministry of Agriculture , Shenyang 110866 , China.
Hai
H
Xu
Rice Research Institute of Shenyang Agricultural University/Key Laboratory of Northern Japonica Rice Genetics and Breeding, Ministry of Education and Liaoning Province/Key Laboratory of Northeast Rice Biology and Genetics and Breeding, Ministry of Agriculture , Shenyang 110866 , China.
Minghui
M
Zhao
Rice Research Institute of Shenyang Agricultural University/Key Laboratory of Northern Japonica Rice Genetics and Breeding, Ministry of Education and Liaoning Province/Key Laboratory of Northeast Rice Biology and Genetics and Breeding, Ministry of Agriculture , Shenyang 110866 , China.
Qun
Q
Zhang
Rice Research Institute of Shenyang Agricultural University/Key Laboratory of Northern Japonica Rice Genetics and Breeding, Ministry of Education and Liaoning Province/Key Laboratory of Northeast Rice Biology and Genetics and Breeding, Ministry of Agriculture , Shenyang 110866 , China.
Zhengjin
Z
Xu
Rice Research Institute of Shenyang Agricultural University/Key Laboratory of Northern Japonica Rice Genetics and Breeding, Ministry of Education and Liaoning Province/Key Laboratory of Northeast Rice Biology and Genetics and Breeding, Ministry of Agriculture , Shenyang 110866 , China.
Quan
Q
Xu
DEP1; erect panicle; heterotrimeric G proteins; high-yield rice; rice