典型文献
The camphor tree genome enhances the understanding of magnoliid evolution
文献摘要：
Magnoliids represent the third largest branch of the most diverse and species-rich angiosperms,and their phylogenetic position rela-tive to monocots and eudicots remains uncertain(Dong et al.,2021).Here,we describe the assembly of a high-quality chromo-some-level genome sequence for Cinnamomum camphora(camphor),an evergreen tree belonging to Lauraceae.Genome-based phylogenetic analysis indicated possible incomplete lineage sorting(ILS)during the rapid diversification of the early diverging branches of angiosperms,which may have led to the unstable phylo-genetic position of magnoliids.Whole-genome duplication(WGD)analysis showed that the lineage leading to C.camphora experi-enced two WGD events:the earlier event was shared by the common ancestor of Chimonanthus salicifolius and Lauraceae,and the more recent event was shared by all lineages of Lauraceae.The ABCDE homolog genes of C.camphora showed broad expression in floral or-gans,revealing the molecular mechanism preventing tepals from differentiating into petals and sepals.The key genes for the synthesis of monoterpenes have been identified,and the molecular regulatory mechanism underlying the rich essential oils in the branches and leaves has been revealed.Overall,our study provides a better under-standing of the evolution and diversification of magnoliids and the evolution of floral organs.
文献关键词：
中图分类号：
作者姓名：
Wei-Hong Sun;Shuang Xiang;Qi-Gong Zhang;Lin Xiao;Diyang Zhang;Peilan Zhang;De-Qiang Chen;Yang Hao;Ding-Kun Liu;Le Ding;Yifan Li;Hui Ni;Yifan Wang;Xi Wu;Fu-Hui Liu;Guo-Rui Chen;Guo-Yong Han;Jin-Zhang Chen;Bao-Chun Su;Jin-Xing Gao;Xiao-Hui Wan;Zhiwen Wang;Yicun Chen;Yang-Dong Wang;Wei Huang;Bobin Liu;Xiao-Xing Zou;Lin Ni;Zhong-Jian Liu;Shuang-Quan Zou
作者机构：
College of Forestry,Fujian Agriculture and Forestry,Fuzhou,Fujian 350002,China;Fujian Colleges and Universities Engineering Research Institute of Conservation and Utilization of Natural Bioresources,Fujian Agriculture and Forestry,Fuzhou,Fujian 350002,China;Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture,Fujian Agriculture and Forestry University,Fuzhou,Fujian 350002,China;Fuzhou Botanical Garden,Fuzhou,Fujian 350002,China;Quanzhou Forestry Bureau,Quanzhou,Fujian 362000,China;Fujian Provincial Forestry Inventory and Planning Institute,Fuzhou,Fujian 350002,China;PubBio-Tech,Wuhan,Hubei 430070,China;Research Institute of Subtropical Forestry,Chinese Academy of Forestry,Hangzhou,Zhejiang 311400,China
文献出处：
引用格式：
[1]Wei-Hong Sun;Shuang Xiang;Qi-Gong Zhang;Lin Xiao;Diyang Zhang;Peilan Zhang;De-Qiang Chen;Yang Hao;Ding-Kun Liu;Le Ding;Yifan Li;Hui Ni;Yifan Wang;Xi Wu;Fu-Hui Liu;Guo-Rui Chen;Guo-Yong Han;Jin-Zhang Chen;Bao-Chun Su;Jin-Xing Gao;Xiao-Hui Wan;Zhiwen Wang;Yicun Chen;Yang-Dong Wang;Wei Huang;Bobin Liu;Xiao-Xing Zou;Lin Ni;Zhong-Jian Liu;Shuang-Quan Zou-.The camphor tree genome enhances the understanding of magnoliid evolution)[J].遗传学报,2022(03):249-253
A类：
magnoliid,Magnoliids,salicifolius,tepals,sepals,monoterpenes
B类：
tree,genome,enhances,understanding,evolution,represent,third,largest,most,diverse,species,rich,angiosperms,their,phylogenetic,position,rela,tive,monocots,eudicots,remains,uncertain,Dong,Here,describe,assembly,high,quality,chromo,some,level,sequence,Cinnamomum,camphora,evergreen,belonging,Lauraceae,Genome,analysis,indicated,possible,incomplete,sorting,ILS,during,rapid,diversification,early,diverging,branches,which,may,have,unstable,magnoliids,Whole,duplication,WGD,showed,that,leading,experi,enced,two,events,earlier,was,shared,by,common,ancestor,Chimonanthus,more,recent,lineages,ABCDE,homolog,genes,broad,expression,floral,revealing,molecular,mechanism,preventing,from,differentiating,into,petals,key,synthesis,been,identified,regulatory,underlying,essential,oils,leaves,has,revealed,Overall,our,study,provides,better,organs
AB值：
0.567324
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