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OsGRF4 controls grain shape, panicle length and seed shattering in rice

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成果类型:
期刊论文
作者:
Sun, Pingyong;Zhang, Wuhan;Wang, Yihua;He, Qiang;Shu, Fu;...
通讯作者:
Deng, Huafeng
作者机构:
[Sun, Pingyong] Hunan Agr Univ, Coll Agron, Changsha 410128, Hunan, Peoples R China.
[Shu, Fu; Sun, Pingyong; Deng, Huafeng; Zhang, Wuhan; He, Qiang; Wang, Jianmin; Yuan, Longping; Liu, Hai; Wang, Jie] Hunan Acad Agr Sci, Hunan Hybrid Rice Res Ctr, State Key Lab Hybrid Rice, Changsha 410125, Hunan, Peoples R China.
[Shu, Fu; Sun, Pingyong; Deng, Huafeng; Zhang, Wuhan; He, Qiang; Yuan, Longping] Collaborat Innovat Ctr Grain & Oil Crops South Ch, Changsha 410128, Hunan, Peoples R China.
[Zhang, Wuhan] China Natl Japon Rice Res & Dev Ctr, Tianjin 300457, Peoples R China.
[Wang, Yihua] Nanjing Agr Univ, State Key Lab Crop Genet & Germplasm Enhancement, Nanjing 210095, Jiangsu, Peoples R China.
通讯机构:
[Deng, Huafeng] H
[Deng, Huafeng] C
Hunan Acad Agr Sci, Hunan Hybrid Rice Res Ctr, State Key Lab Hybrid Rice, Changsha 410125, Hunan, Peoples R China.
Collaborat Innovat Ctr Grain & Oil Crops South Ch, Changsha 410128, Hunan, Peoples R China.
语种:
英文
关键词:
High-yield breeding;mechanized harvesting;OsmiRNA396;panicle traits;plant growth regulator
关键词(中文):
种子;穗长;细胞分裂素;机械化收获;粒型;控制;穗部性状;调节因子
期刊:
植物学报:英文版
ISSN:
1672-9072
年:
2016
卷:
58
期:
10
页码:
836-847
基金类别:
We thank Professor Yingguo Zhu (Wuhan University) and Dr. Changchun Yu for helping with vector construction. We are grateful to Professor Yongzhong Xing (Huazhong Agricultural University) for providing the Ghd7-CFP vector. This work was supported by National Natural Science Foundation of China (31571259), National High Technology Research and Develop- ment Program of China (2011AA10A101).
机构署名:
本校为第一机构
院系归属:
农学院
摘要:
Traits such as grain shape, panicle length and seed shattering, play important roles in grain yield and harvest. In this study, the cloning and functional analysis of PANICLE TRAITS 2 (PT2), a novel gene from the Indica rice Chuandali (CDL), is reported. PT2 is synonymous with Growth-Regulating Factor 4 (OsGRF4), which encodes a growth-regulating factor that positively regulates grain shape and panicle length and negatively regulates seed shattering. Higher expression of OsGRF4 is correlated with larger grain, longer panicle and lower seed shattering. A unique OsGRF4 mutation, which occurs at ...

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