OsPPG encodes a pseudouridine-5 0-phosphate glycosidase and regulates rice spikelet development
文献类型： 外文期刊
作者： Chen, Rui 1 ; Tian, Dagang 2 ; Lin, Yarong 2 ; Huang, Jiaqing 3 ; Yang, Qinqin 1 ; Li, Yupei 1 ; Liu, Huaqing 2 ; Yang, Shaohua 2 ; Chen, Jingyang 2 ; Zhou, Shufen 2 ; Wang, Feng 2 ; Zhang, Shubiao 1 ;
作者机构： 1.Fujian Agr & Forestry Univ, Minist Agr & Rural Affairs, Key Lab Genet Breeding & Multiple Utilizat Crops, Key Lab Biol Breeding Fujian & Taiwan Crops,Minist, Fuzhou 350002, Fujian, Peoples R China
2.Fujian Acad Agr Sci, Biotechnol Res Inst, Fujian Key Lab Genet Engn Agr, Fuzhou 350003, Fujian, Peoples R China
3.Fujian Acad Agr Sci, Inst Resources Environm & Soil Fertilizer, Fuzhou 350013, Fujian, Peoples R China
关键词： OsPPG; Reproductive regulation; Spikelet development; Rice
期刊名称：CROP JOURNAL （ 影响因子：6.0； 五年影响因子：5.6 ）
ISSN： 2095-5421
年卷期： 2024 年 12 卷 3 期
页码：
收录情况： SCI
摘要： Florets are the basic structural units of spikelets, and their morphogenesis determines the yield and quality of rice grains. However, whether and how pseudouridine-5 0-phosphate glycosidase participates in rice spikelet development remains an open question. In this study, we identified a novel gene, OsPPG , which encodes a peroxisome-localized pseudouridine-5 0-phosphate glycosidase and regulates the development of rice spikelets. osppg mutants exhibited abnormal sterile lemma, lemma, palea, lodicule, stamens, and pistils; male sterility; shorter panicles; and reduced plant height. OsPPG was found to regulate several OsMADS genes, thereby affecting the morphogenesis of rice spikelets. Furthermore, metabolomics revealed that the OsPPG gene was involved in the decomposition of pseudouridine via the pyrimidine metabolism pathway and may affect the jasmonic acid signaling pathway. These results suggest that OsPPG is a key regulator of rice spikelet development. (c) 2024 Crop Science Society of China and Institute of Crop Science, CAAS. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co., Ltd. This is an open access article under the CC BY-NCND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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