GS2 cooperates with IPA1 to control panicle architecture

IF 8.1 1区生物学 Q1 PLANT SCIENCES New Phytologist Pub Date : 2025-01-31 DOI:10.1111/nph.20412

Yueying Wang, Yang Lv, Yi Wen, Junge Wang, Peng Hu, Kaixiong Wu, Bingze Chai, Shuxian Gan, Jialong Liu, Yue Wu, Lixin Zhu, Nannan Dong, Yiqing Tan, Hao Wu, Guangheng Zhang, Li Zhu, Deyong Ren, Qiang Zhang, Yuexing Wang, Qian Qian, Jiang Hu

引用次数: 0

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GS2与IPA1协同控制穗部结构。

穗大小和粒数是决定水稻产量的重要农艺性状。然而，调控穗大小和粒数的潜在机制仍不清楚。本文报道了GS2在调控穗型结构中发挥重要作用。GS2™（靶位点突变，TM）的RNAi产生直立致密的穗，增加了一次枝和二次枝，每穗粒数增加，而过表达GS2™的穗比野生型长，粒数少。GS2直接结合GCCA基序，通过与IPA1的相互作用显著增强转录激活能力。DEP1是GS2和IPA1共同调控分枝数和穗粒数的靶基因。GS2™和IPA1™1 （Target site mutation1, TM1）在杂交水稻上的金字塔化可以显著提高水稻产量。研究结果揭示了GS2/IPA1-DEP1模块调控穗型结构的新功能和分子机制。

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来源期刊

New Phytologist 生物-植物科学

自引率

5.30%

发文量

728

期刊介绍： New Phytologist is an international electronic journal published 24 times a year. It is owned by the New Phytologist Foundation, a non-profit-making charitable organization dedicated to promoting plant science. The journal publishes excellent, novel, rigorous, and timely research and scholarship in plant science and its applications. The articles cover topics in five sections: Physiology & Development, Environment, Interaction, Evolution, and Transformative Plant Biotechnology. These sections encompass intracellular processes, global environmental change, and encourage cross-disciplinary approaches. The journal recognizes the use of techniques from molecular and cell biology, functional genomics, modeling, and system-based approaches in plant science. Abstracting and Indexing Information for New Phytologist includes Academic Search, AgBiotech News & Information, Agroforestry Abstracts, Biochemistry & Biophysics Citation Index, Botanical Pesticides, CAB Abstracts®, Environment Index, Global Health, and Plant Breeding Abstracts, and others.