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Identification of Green-Revertible Yellow 3(GRY3),encoding a 4-hydroxy-3-methylbut-2-enyl diphosphate reductase involved in chlorophyll synthesis under high temperature and high light in rice

作     者:Hongzhen Jiang Anpeng Zhang Banpu Ruan Haitao Hu Rui Guo Jingguang Chen Qian Qian Zhenyu Gao Hongzhen Jiang;Anpeng Zhang;Banpu Ruan;Haitao Hu;Rui Guo;Jingguang Chen;Qian Qian;Zhenyu Gao

作者机构:China National Rice Research InstituteChinese Academy of Agricultural SciencesHangzhou 310006ZhejiangChina School of AgricultureShenzhen Campus of Sun Yat-sen UniversityShenzhen 518107GuangdongChina Institute of Crop Breeding and CultivationShanghai Academy of Agricultural SciencesShanghai 201403China College of Life and Environmental SciencesHangzhou Normal UniversityHangzhou 311121ZhejiangChina 

出 版 物:《The Crop Journal》 (作物学报(英文版))

年 卷 期:2023年第11卷第4期

页      面:1171-1180页

核心收录:

学科分类:09[农学] 0901[农学-作物学] 

基  金:supported by the National Natural Science Foundation of China (32188102 and 31901481) 

主  题:Chloroplast High temperature High light Rice 

摘      要:Chlorophyll,a green pigment in photosynthetic organisms,is generated by two distinct biochemical pathways,the tetrapyrrole biosynthetic pathway(TBP) and the methylerythritol 4-phosphate(MEP)*** is one of the pathways for isoprenoid synthesis in plants,with 4-hydroxy-3-methylbut-2-enyl diphosphate reductase(HDR) catalyzing its last *** this study,we isolated a greenrevertible yellow leaf mutant gry3 in rice and cloned the GRY3 gene,which encodes a HDR participating in geranylgeranyl diphosphate(GGPP) biosynthesis in chloroplast.A complementation experiment confirmed that a missense mutation(C to T) in the fourth exon of LOC_Os03g52170 causes the gry3 *** high temperature and high light,transcript and protein abundances of GRY3 were reduced in the gry3 *** expression of chlorophyll biosynthesis,chloroplast development,and genes involved in photosynthesis were also *** reactive oxygen species accumulation,cell death,and photosynthetic proteins degradation were occurred in the *** content of GGPP was reduced in gry3 compared with Nipponbare,resulting in a stoichiometric imbalance of tetrapyrrolic chlorophyll *** results shed light on the response of chloroplast biogenesis and maintenance in plants to high-temperature and high-light stress.

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