OsPDCD5 negatively regulates plant architecture and grain yield in rice | Zendy

Shiqing Dong | Zendy; Xianxin Dong | Zendy; Xiaokang Han | Zendy; Fan Zhang | Zendy; Yu Zhu | Zendy; Xiaoyun Xin | Zendy; Ying Wang | Zendy; Yuanyi Hu | Zendy; Dingyang Yuan | Zendy; Jianping Wang | Zendy; Zhou Huang | Zendy; Fuan Niu | Zendy; Zejun Hu | Zendy; Peiwen Yan | Zendy; Liming Cao | Zendy; Haohua He | Zendy; Junru Fu | Zendy; Yeyun Xin | Zendy; Yanning Tan | Zendy; Bigang Mao | Zendy; Bingran Zhao | Zendy; Jinshui Yang | Zendy; Longping Yuan | Zendy; Xiaojin Luo | Zendy

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OsPDCD5 negatively regulates plant architecture and grain yield in rice

Author(s) -

Shiqing Dong,

Xianxin Dong,

Xiaokang Han,

Fan Zhang,

Yu Zhu,

Xiaoyun Xin,

Ying Wang,

Yuanyi Hu,

Dingyang Yuan,

Jianping Wang,

Zhou Huang,

Fuan Niu,

Zejun Hu,

Peiwen Yan,

Liming Cao,

Haohua He,

Junru Fu,

Yeyun Xin,

Yanning Tan,

Bigang Mao,

Bingran Zhao,

Jinshui Yang,

Longping Yuan,

Xiaojin Luo

Publication year - 2021

Publication title -

proceedings of the national academy of sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.011

H-Index - 771

eISSN - 1091-6490

pISSN - 0027-8424

DOI - 10.1073/pnas.2018799118

Subject(s) - panicle , biology , cultivar , yield (engineering) , gibberellin , agronomy , transcriptome , grain yield , crispr , cytokinin , gene , microbiology and biotechnology , botany , auxin , gene expression , genetics , materials science , metallurgy

Significance Rice breeding programs aim to develop cultivars with improved traits, including high grain yield and superior quality. In rice,OsPDCD5 encodes a programmed cell death 5 protein. Targeted mutagenesis ofOsPDCD5 enhanced grain yield and plant architecture. Statistical analysis indicated that plot grain yield ofOsPDCD5 knockout lines was enhanced by 6.25 to 20.13% in 11 popular or newly bred rice cultivars compared with the corresponding wild types. TheOsPDCD5 knockout lines showed increases in milled rice percentage and gel consistency, and a decrease in amylose content. Our results provide insight into the molecular mechanism by whichOsPDCD5 influences grain yield and plant architecture, and highlight a promising candidate gene for use in breeding programs designed to develop super rice cultivars.

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