作者
Jarkko Salojärvi, Olli-Pekka Smolander, Kaisa Nieminen, Sitaram Rajaraman, Omid Safronov, Pezhman Safdari, Airi Lamminmäki, Juha Immanen, Tianying Lan, Jaakko Tanskanen, Pasi Rastas, Ali Amiryousefi, Balamuralikrishna Jayaprakash, Juhana I Kammonen, Risto Hagqvist, Gugan Eswaran, Viivi Helena Ahonen, Juan Alonso Serra, Fred O Asiegbu, Juan de Dios Barajas-Lopez, Daniel Blande, Olga Blokhina, Tiina Blomster, Suvi Broholm, Mikael Brosché, Fuqiang Cui, Chris Dardick, Sanna E Ehonen, Paula Elomaa, Sacha Escamez, Kurt V Fagerstedt, Hiroaki Fujii, Adrien Gauthier, Peter J Gollan, Pauliina Halimaa, Pekka I Heino, Kristiina Himanen, Courtney Hollender, Saijaliisa Kangasjärvi, Leila Kauppinen, Colin T Kelleher, Sari Kontunen-Soppela, J Patrik Koskinen, Andriy Kovalchuk, Sirpa O Kärenlampi, Anna K Kärkönen, Kean-Jin Lim, Johanna Leppälä, Lee Macpherson, Juha Mikola, Katriina Mouhu, Ari Pekka Mähönen, Ülo Niinemets, Elina Oksanen, Kirk Overmyer, E Tapio Palva, Leila Pazouki, Ville Pennanen, Tuula Puhakainen, Péter Poczai, Boy JHM Possen, Matleena Punkkinen, Moona M Rahikainen, Matti Rousi, Raili Ruonala, Christiaan van der Schoot, Alexey Shapiguzov, Maija Sierla, Timo P Sipilä, Suvi Sutela, Teemu H Teeri, Arja I Tervahauta, Aleksia Vaattovaara, Jorma Vahala, Lidia Vetchinnikova, Annikki Welling, Michael Wrzaczek, Enjun Xu, Lars G Paulin, Alan H Schulman, Martin Lascoux, Victor A Albert, Petri Auvinen, Ykä Helariutta, Jaakko Kangasjärvi
发表日期
2017/6
期刊
Nature genetics
卷号
49
期号
6
页码范围
904-912
出版商
Nature Publishing Group
简介
Silver birch (Betula pendula) is a pioneer boreal tree that can be induced to flower within 1 year. Its rapid life cycle, small (440-Mb) genome, and advanced germplasm resources make birch an attractive model for forest biotechnology. We assembled and chromosomally anchored the nuclear genome of an inbred B. pendula individual. Gene duplicates from the paleohexaploid event were enriched for transcriptional regulation, whereas tandem duplicates were overrepresented by environmental responses. Population resequencing of 80 individuals showed effective population size crashes at major points of climatic upheaval. Selective sweeps were enriched among polyploid duplicates encoding key developmental and physiological triggering functions, suggesting that local adaptation has tuned the timing of and cross-talk between fundamental plant processes. Variation around the tightly-linked light response …
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J Salojärvi, OP Smolander, K Nieminen, S Rajaraman… - Nature genetics, 2017