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The water lily genome and the early evolution of flowering plants

机译：睡莲基因组与开花植物的早期进化

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摘要

Water lilies belong to the angiosperm order Nymphaeales. Amborellales, Nymphaeales and Austrobaileyales together form the so-called ANA-grade of angiosperms, which are extant representatives of lineages that diverged the earliest from the lineage leading to the extant mesangiosperms(1-3). Here we report the 409-megabase genome sequence of the blue-petal water lily (Nymphaea colorata). Our phylogenomic analyses support Amborellales and Nymphaeales as successive sister lineages to all other extant angiosperms. The N. colorata genome and 19 other water lily transcriptomes reveal a Nymphaealean whole-genome duplication event, which is shared by Nymphaeaceae and possibly Cabombaceae. Among the genes retained from this whole-genome duplication are homologues of genes that regulate flowering transition and flower development. The broad expression of homologues of floral ABCE genes in N. colorata might support a similarly broadly active ancestral ABCE model of floral organ determination in early angiosperms. Water lilies have evolved attractive floral scents and colours, which are features shared with mesangiosperms, and we identified their putative biosynthetic genes in N. colorata. The chemical compounds and biosynthetic genes behind floral scents suggest that they have evolved in parallel to those in mesangiosperms. Because of its unique phylogenetic position, the N. colorata genome sheds light on the early evolution of angiosperms.
机译：睡莲属于被子植物Nymphaeales。 Amborellales，Nymphaeales和Austrobaileyales共同构成了所谓的ANA级被子植物，是现存的谱系代表，它们最早从谱系中分离出来，导致现存的中胚层（1-3）。在这里，我们报告了蓝花瓣睡莲（睡莲）的409兆碱基基因组序列。我们的系统遗传学分析支持Amborellales和Nymphaeales作为所有其他现存被子植物的连续姐妹谱系。 N. colorata基因组和其他19个睡莲转录组显示Nymphaealean全基因组复制事件，由Nymphaeaceae和可能的Cabombaceae共享。从该全基因组重复中保留的基因中有调节开花过渡和花朵发育的基因的同源物。在花色猪笼草中花ABCE基因的同源物的广泛表达可能支持早期被子植物中花器官确定的类似广泛活跃的祖先ABCE模型。睡莲已经进化出诱人的花香和颜色，这是与中子皮植物共有的特征，我们在花色猪笼草中鉴定了它们的假定生物合成基因。花香背后的化学化合物和生物合成基因表明，它们与中胚层植物的进化平行。由于其独特的系统发育位置，N。colorata基因组为被子植物的早期进化提供了线索。

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  • 来源
    《Nature》 |2020年第7788期|79-84|共6页
  • 作者

    Zhang Liangsheng; Chen Fei; Zhang Xingtan; Li Zhen; Zhao Yiyong; Lohaus Rolf; Chang Xiaojun; Dong Wei; Ho Simon Y. W.; Liu Xing; Song Aixia; Chen Junhao; Guo Wenlei; Wang Zhengjia; Zhuang Yingyu; Wang Haifeng; Chen Xuequn; Hu Juan; Liu Yanhui; Qin Yuan; Wang Kai; Dong Shanshan; Liu Yang; Zhang Shouzhou; Yu Xianxian; Wu Qian; Wang Liangsheng; Yan Xueqing; Jiao Yuannian; Kong Hongzhi; Zhou Xiaofan; Yu Cuiwei; Chen Yuchu; Li Fan; Wang Jihua; Chen Wei; Chen Xinlu; Jia Qidong; Zhang Chi; Jiang Yifan; Zhang Wanbo; Liu Guanhua; Fu Jianyu; Chen Feng; Ma Hong; Van de Peer Yves; Tang Haibao;

  • 作者单位

    Fujian Agr & Forestry Univ Fujian Prov Key Lab Haixia Appl Plant Syst Biol Minist Educ Genet Breeding & Multiple Utilizat Ct Key Lab Natl Forestry Key Lab Fuzhou Fujian Peoples R China|Fujian Agr & Forestry Univ Grassland Adm Orchid Conservat & Utilizat Fuzhou Fujian Peoples R China;

    Fujian Agr & Forestry Univ Fujian Prov Key Lab Haixia Appl Plant Syst Biol Minist Educ Genet Breeding & Multiple Utilizat Ct Key Lab Natl Forestry Key Lab Fuzhou Fujian Peoples R China|Fujian Agr & Forestry Univ Grassland Adm Orchid Conservat & Utilizat Fuzhou Fujian Peoples R China|Nanjing Agr Univ Coll Hort Nanjing Jiangsu Peoples R China;

    Univ Ghent Dept Plant Biotechnol & Bioinformat Ghent Belgium|VIB Ctr Plant Syst Biol Ghent Belgium;

    Fudan Univ Sch Life Sci Key Lab Biodivers Sci & Ecol Engn State Key Lab Genet Engn Minist Educ Shanghai Peoples R China;

    Fujian Agr & Forestry Univ Fujian Prov Key Lab Haixia Appl Plant Syst Biol Minist Educ Genet Breeding & Multiple Utilizat Ct Key Lab Natl Forestry Key Lab Fuzhou Fujian Peoples R China|Fujian Agr & Forestry Univ Grassland Adm Orchid Conservat & Utilizat Fuzhou Fujian Peoples R China|Shenzhen & Chinese Acad Sci Fairy Lake Bot Garden Shenzhen Guangdong Peoples R China;

    Univ Sydney Sch Life & Environm Sci Sydney NSW Australia;

    Zhejiang A&F Univ Sch Forestry & Biotechnol State Key Lab Subtrop Silviculture Hangzhou Zhejiang Peoples R China;

    Shenzhen & Chinese Acad Sci Fairy Lake Bot Garden Shenzhen Guangdong Peoples R China;

    Shenzhen & Chinese Acad Sci Fairy Lake Bot Garden Shenzhen Guangdong Peoples R China|BGI Shenzhen Shenzhen Guangdong Peoples R China;

    Xuchang Univ Sch Urban Rural Planning & Landscape Architecture Xuchang Peoples R China;

    Chinese Acad Sci Inst Bot Beijing Bot Garden Key Lab Plant Resources Beijing Peoples R China;

    Chinese Acad Sci Inst Bot Beijing Bot Garden Key Lab Plant Resources Beijing Peoples R China|Univ Chinese Acad Sci Beijing Peoples R China;

    Univ Chinese Acad Sci Beijing Peoples R China|Chinese Acad Sci Inst Bot State Key Lab Systemat & Evolutionary Bot Beijing Peoples R China;

    South China Agr Univ Integrat Microbiol Res Ctr Guangdong Prov Key Lab Microbial Signals & Dis Guangzhou Guangdong Peoples R China;

    Zhejiang Humanities Landscape Co Ltd Hangzhou Tianjing Aquat Bot Garden Hangzhou Zhejiang Peoples R China;

    Yunnan Acad Agr Sci Floriculture Res Inst Key Lab Flower Breeding Yunnan Prov Natl Engn Res Ctr Ornamental Hort Kunming Yunnan Peoples R China;

    Chengdu Univ Tradit Chinese Med Innovat Inst Chinese Med & Pharm Chengdu Sichuan Peoples R China;

    Univ Tennessee Dept Plant Sci Knoxville TN USA;

    Univ Tennessee Grad Sch Genome Sci & Technol Knoxville TN USA;

    Nanjing Agr Univ Coll Hort Nanjing Jiangsu Peoples R China;

    Chinese Acad Agr Sci Tea Res Inst Minist Agr & Rural Affairs Key Lab Tea Qual & Safety Control Hangzhou Zhejiang Peoples R China;

    Nanjing Agr Univ Coll Hort Nanjing Jiangsu Peoples R China|Univ Tennessee Grad Sch Genome Sci & Technol Knoxville TN USA;

    Penn State Univ Huck Inst Life Sci Dept Biol University Pk PA 16802 USA;

    Univ Ghent Dept Plant Biotechnol & Bioinformat Ghent Belgium|VIB Ctr Plant Syst Biol Ghent Belgium|Univ Pretoria Ctr Microbial Ecol & Genom Dept Biochem Genet & Microbiol Pretoria South Africa;

    Fujian Agr & Forestry Univ Fujian Prov Key Lab Haixia Appl Plant Syst Biol Minist Educ Genet Breeding & Multiple Utilizat Ct Key Lab Natl Forestry Key Lab Fuzhou Fujian Peoples R China|Fujian Agr & Forestry Univ Grassland Adm Orchid Conservat & Utilizat Fuzhou Fujian Peoples R China|Nanjing Agr Univ Coll Hort Nanjing Jiangsu Peoples R China|VIB Ctr Plant Syst Biol Ghent Belgium;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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