Duplication and divergent evolution of the CHS and CHS-like genes in the chalcone synthase(CHS)superfamily

查看全文 作　　者：YANG Ji GU [1]Hongya

机构地区：[1]College of Life Sciences, Peking University, Beijing 100871, China

出　　处：《Chinese Science Bulletin》索引2006年第51卷第5期,共5页

基　　金：supported by the National Key Project for Basic Research(973)(Grant No.2003CB715904);the National Natural Science Foundation of China(Grant No.39830020). 摘　　要：The enzymes of the CHS-superfamily are responsible for biosynthesis of a wide range of natural products in plants. They are important for flower pigmentation, protection against UV light and defense against phytopathogens. Many plants were found to contain multiple copies of CHS genes. This review summarizes the recent progress in the studies of the CHS-superfamily, focusing on the duplication and divergent evolution of the CHS and CHS-like genes. Comparative analyses of gene structure, ex- pression patterns and catalytic properties revealed extensive differentiation in both regulation and func- tion among duplicate CHS genes. It is also proposed that the CHS-like enzymes in the CHS-superfamily evolved from CHS at different times in various or- ganisms. The CHS-superfamily thus offers a valuable model to study the rates and patterns of sequence divergence between duplicate genes. 关键词：苯基苯乙烯酮合酶基因复制分裂演进 CHS基因植物生物化学

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Duplication and divergent evolution of the CHS and CHS-like genes in the chalcone synthase(CHS)superfamily

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