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Genomic insights on...
Genomic insights on the contribution of balancing selection and local adaptation to the long-term survival of a widespread living fossil tree,Cercidiphyllum japonicum
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- Zhu, Shanshan (författare)
- Zhejiang Univ, Coll Life Sci, MOE Lab Biosyst Homeostasis & Protect, Systemat & Evolutionary Bot & Biodivers Grp, Hangzhou 310058, Zhejiang, Peoples R China.
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- Chen, Jun (författare)
- Zhejiang Univ, Coll Life Sci, MOE Lab Biosyst Homeostasis & Protect, Systemat & Evolutionary Bot & Biodivers Grp, Hangzhou 310058, Zhejiang, Peoples R China.
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- Zhao, Jing (författare)
- Novogene Bioinformat Inst, Beijing 100083, Peoples R China.
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- Comes, Hans Peter (författare)
- Salzburg Univ, Dept Biosci, A-5020 Salzburg, Austria.
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- Li, Pan (författare)
- Zhejiang Univ, Coll Life Sci, MOE Lab Biosyst Homeostasis & Protect, Systemat & Evolutionary Bot & Biodivers Grp, Hangzhou 310058, Zhejiang, Peoples R China.
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- Fu, Chengxin (författare)
- Zhejiang Univ, Coll Life Sci, MOE Lab Biosyst Homeostasis & Protect, Systemat & Evolutionary Bot & Biodivers Grp, Hangzhou 310058, Zhejiang, Peoples R China.
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- Xie, Xiao (författare)
- Ningbo Univ, Sch Marine Sci, Ningbo 315211, Zhejiang, Peoples R China.
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- Lu, Ruisen (författare)
- Zhejiang Univ, Coll Life Sci, MOE Lab Biosyst Homeostasis & Protect, Systemat & Evolutionary Bot & Biodivers Grp, Hangzhou 310058, Zhejiang, Peoples R China.
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- Xu, Wuqin (författare)
- Zhejiang Univ, Coll Life Sci, MOE Lab Biosyst Homeostasis & Protect, Systemat & Evolutionary Bot & Biodivers Grp, Hangzhou 310058, Zhejiang, Peoples R China.
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- Feng, Yu (författare)
- Zhejiang Univ, Coll Life Sci, MOE Lab Biosyst Homeostasis & Protect, Systemat & Evolutionary Bot & Biodivers Grp, Hangzhou 310058, Zhejiang, Peoples R China.
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- Ye, Wenqing (författare)
- Zhejiang Univ, Coll Life Sci, MOE Lab Biosyst Homeostasis & Protect, Systemat & Evolutionary Bot & Biodivers Grp, Hangzhou 310058, Zhejiang, Peoples R China.
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- Sakaguchi, Shota (författare)
- Kyoto Univ, Grad Sch Human & Environm Studies, Sakyo Ku, Yoshida Nihonmatsu Cho, Kyoto 6068501, Japan.
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- Isagi, Yuji (författare)
- Kyoto Univ, Grad Sch Agr, Sakyo Ku, Kitashirakawa Oiwake Cho, Kyoto 6068501, Japan.
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- Li, Linfeng (författare)
- Fudan Univ, Sch Life Sci, Key Lab Biodivers Sci & Ecol Engn, Minist Educ, Shanghai 200433, Peoples R China.
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- Lascoux, Martin (författare)
- Uppsala universitet,Växtekologi och evolution,Science for Life Laboratory, SciLifeLab
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- Qiu, Yingxiong (författare)
- Zhejiang Univ, Coll Life Sci, MOE Lab Biosyst Homeostasis & Protect, Systemat & Evolutionary Bot & Biodivers Grp, Hangzhou 310058, Zhejiang, Peoples R China.
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Zhejiang Univ, Coll Life Sci, MOE Lab Biosyst Homeostasis & Protect, Systemat & Evolutionary Bot & Biodivers Grp, Hangzhou 310058, Zhejiang, Peoples R China Novogene Bioinformat Inst, Beijing 100083, Peoples R China. (creator_code:org_t)
- 2020-08-17
- 2020
- Engelska.
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Ingår i: New Phytologist. - : WILEY. - 0028-646X .- 1469-8137. ; 228:5, s. 1674-1689
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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http://uu.diva-porta...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 'Living fossils' are testimonies of long-term sustained ecological success, but how demographic history and natural selection contributed to their survival, resilience, and persistence in the face of Quaternary climate fluctuations remains unclear. To better understand the interplay between demographic history and selection in shaping genomic diversity and evolution of such organisms, we assembled the whole genome ofCercidiphyllum japonicum, a widespread East Asian Tertiary relict tree, and resequenced 99 individuals ofC. japonicumand its sister species,Cercidiphyllum magnificum(Central Japan). We dated this speciation event to the mid-Miocene, and the intraspecific lineage divergence ofC. japonicum(China vs Japan) to the Early Pliocene. Throughout climatic upheavals of the late Tertiary/Quaternary, population bottlenecks greatly reduced the genetic diversity ofC. japonicum. However, this polymorphism loss was likely counteracted by, first, long-term balancing selection at multiple chromosomal and heterozygous gene regions, potentially reflecting overdominance, and, second, selective sweeps at stress response and growth-related genes likely involved in local adaptation. Our findings contribute to a better understanding of how living fossils have survived climatic upheaval and maintained an extensive geographic range; that is, both types of selection could be major factors contributing to the species' survival, resilience, and persistence.
Ämnesord
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
Nyckelord
- adaptation
- balancing selection
- demographic history
- living fossil
- selective sweeps
- whole-genome sequencing
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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- Av författaren/redakt...
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Zhu, Shanshan
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Chen, Jun
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Zhao, Jing
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Comes, Hans Pete ...
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Li, Pan
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Fu, Chengxin
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Xie, Xiao
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Lu, Ruisen
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Xu, Wuqin
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Feng, Yu
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Ye, Wenqing
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Sakaguchi, Shota
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Isagi, Yuji
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Li, Linfeng
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Lascoux, Martin
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Qiu, Yingxiong
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