作者
Gerald A Tuskan, S Difazio, Stefan Jansson, J Bohlmann, I Grigoriev, U Hellsten, N Putnam, S Ralph, Stephane Rombauts, A Salamov, J Schein, Lieven Sterck, A Aerts, Rupali R Bhalerao, Rishikesh P Bhalerao, D Blaudez, Wout Boerjan, A Brun, A Brunner, V Busov, M Campbell, J Carlson, M Chalot, J Chapman, G-L Chen, D Cooper, PM Coutinho, J Couturier, S Covert, Q Cronk, R Cunningham, J Davis, Sven Degroeve, A Dejardin, J Detter, B Dirks, I Dubchak, S Duplessis, J Ehlting, B Ellis, K Gendler, D Goodstein, M Gribskov, J Grimwood, A Groover, L Gunter, B Hamberger, B Heinze, Y Helariutta, B Henrissat, D Holligan, R Holt, W Huang, N Islam-Faridi, S Jones, M Jones-Rhoades, R Jorgensen, C Joshi, J Kangasjärvi, J Karlsson, C Kelleher, R Kirkpatrick, M Kirst, A Kohler, U Kalluri, F Larimer, J Leebens-Mack, J-C Leplé, P Locascio, Y Lou, S Lucas, F Martin, B Montanini, C Napoli, DR Nelson, C Nelson, K Nieminen, O Nilsson, V Pereda, G Peter, R Philippe, G Pilate, A Poliakov, J Razumovskaya, P Richardson, C Rinaldi, K Ritland, P Rouzé, D Ryaboy, J Schmutz, J Schrader, B Segerman, H Shin, A Siddiqui, F Sterky, A Terry, C-J Tsai, E Uberbacher, P Unneberg, J Vahala, K Wall, S Wessler, G Yang, T Yin, C Douglas, M Marra, G Sandberg, Y Van de Peer, D Rokhsar
发表日期
2006/9/15
期刊
science
卷号
313
期号
5793
页码范围
1596-1604
出版商
American Association for the Advancement of Science
简介
We report the draft genome of the black cottonwood tree, Populus trichocarpa. Integration of shotgun sequence assembly with genetic mapping enabled chromosome-scale reconstruction of the genome. More than 45,000 putative protein-coding genes were identified. Analysis of the assembled genome revealed a whole-genome duplication event; about 8000 pairs of duplicated genes from that event survived in the Populus genome. A second, older duplication event is indistinguishably coincident with the divergence of the Populus and Arabidopsis lineages. Nucleotide substitution, tandem gene duplication, and gross chromosomal rearrangement appear to proceed substantially more slowly in Populus than in Arabidopsis. Populus has more protein-coding genes than Arabidopsis, ranging on average from 1.4 to 1.6 putative Populus homologs for each Arabidopsis gene. However, the relative frequency of protein …
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GA Tuskan, S Difazio, S Jansson, J Bohlmann… - science, 2006