文献类型: 外文期刊
第一作者: Yang, Yao-Long
作者: Yang, Yao-Long;Xu, Jie;Zeng, Yong-Jun;Shi, Qing-Hua;Yang, Yao-Long;Xu, Jie;Liu, Hui-Juan;Zheng, Ting-Ting;Zhang, Guang-Heng;Hu, Jiang;Guo, Long-Biao;Qian, Qian;Zeng, Da-Li;Rao, Yu-Chun
作者机构:
关键词: Rice (Oryza sativa L.);Pale-green leaf (PGL10);Map-based cloning
期刊名称:PLANT GROWTH REGULATION ( 影响因子:3.412; 五年影响因子:3.691 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Leaf color mutants commonly found in rice have important implications in basic research and breeding science. In this study, we isolated a pale-green leaf mutant (pgl10) from the offspring of the rice cultivar Nipponbare (Oryza sativa L. spp. japonica) through ethyl methanesulfonate mutagenesis. Compared with the wild-type Nipponbare, the pgl10 mutant had phenotypically pale-green leaves with significantly decreased chlorophyll (a and b) and carotenoid contents. Transmission electron micrographs showed that pgl10 had less grana lamellae of chloroplasts than Nipponbare. The results of tissue-specific gene expression analysis revealed that pgl10 was expressed in various rice organs, including roots, stems, leaves, sheaths, and spikes. The expression of Chl synthesis-associated gene in pgl10 was decreased. Genetic analysis suggested that PGL10 was controlled by a recessive gene. Map-based cloning and genome sequencing data showed that pgl10 was a frameshift mutation caused by a single base insertion on chromosome 10. Bioinformation analysis indicated that PGL10 encoded protochlorophyllide oxidoreductase B. Therefore, pgl10 can be a genetic material for further studies on PGL10.
分类号: S311
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