The Amborella genome and the evolution of flowering plants

Claude W. DePamphilis, Jeffrey D. Palmer, Steve Rounsley, David Sankoff, Stephan C. Schuster, Jetty S.S. Ammiraju, W. Bradley Barbazuk, Srikar Chamala, Andre S. Chanderbali, Ronald Determann, Ma Hong, Paula Ralph, Jason Talag, Lynn Tomsho, Brandon Walts, Stefan Wanke, Rod A. Wing, Tien Hao Chang, Tianying Lan, Douglas E. SoltisSiwaret Arikit, Michael J. Axtell, Saravanaraj Ayyampalayam, James M. Burnette, Emanuele De Paoli, Nina P. Farrell, Alex Harkess, Yuannian Jiao, James Leebens-Mack, Kun Liu, Wenbin Mei, Blake C. Meyers, Saima Shahid, Eric Wafula, Susan R. Wessler, Jixian Zhai, Xiaoyu Zhang, Victor A. Albert, Lorenzo Carretero-Paulet, Eric Lyons, Haibao Tang, Chunfang Zheng, Naomi S. Altman, Feng Chen, Jian Qun Chen, Vincent Chiang, Joshua P. Der, Bruno Fogliani, Chunce Guo, Jesper Harholt, Claudette Job, Dominique Job, Sangtae Kim, Hongzhi Kong, Guanglin Li, N. Li, Jie Liu, Jongsun Park, Xinshuai Qi, Loïc Rajjou, Valérie Burtet-Sarramegna, Ron Sederoff, Ying Hsuan Sun, Peter Ulvskov, Matthieu Villegente, Jia Yu Xue, Ting Feng Yeh, Xianxian Yu, Juan J. Acosta, Riva A. Bruenn, Alexandre De Kochko, Luis R. Herrera-Estrella, Enrique Ibarra-Laclette, Matias Kirst, Solon P. Pissis, Valérie Poncet, Pamela S. Soltis

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Abstract

Amborella trichopoda is strongly supported as the single living species of the sister lineage to all other extant flowering plants, providing a unique reference for inferring the genome content and structure of the most recent common ancestor (MRCA) of living angiosperms. Sequencing the Amborella genome, we identified an ancient genome duplication predating angiosperm diversification, without evidence of subsequent, lineage-specific genome duplications. Comparisons between Amborella and other angiosperms facilitated reconstruction of the ancestral angiosperm gene content and gene order in the MRCA of core eudicots. We identify new gene families, gene duplications, and floral protein-protein interactions that first appeared in the ancestral angiosperm. Transposable elements in Amborella are ancient and highly divergent, with no recent transposon radiations. Population genomic analysis across Amborella's native range in New Caledonia reveals a recent genetic bottleneck and geographic structure with conservation implications.

Original languageEnglish (US)
Article number1241089
JournalScience
Volume342
Issue number6165
DOIs
StatePublished - Jan 1 2013

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Cite this

DePamphilis, C. W., Palmer, J. D., Rounsley, S., Sankoff, D., Schuster, S. C., Ammiraju, J. S. S., Barbazuk, W. B., Chamala, S., Chanderbali, A. S., Determann, R., Hong, M., Ralph, P., Talag, J., Tomsho, L., Walts, B., Wanke, S., Wing, R. A., Chang, T. H., Lan, T., ... Soltis, P. S. (2013). The Amborella genome and the evolution of flowering plants. Science, 342(6165), [1241089]. https://doi.org/10.1126/science.1241089