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Genome-wide analyse...
Genome-wide analyses of introgression between two sympatric Asian oak species
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- Fu, Ruirui (författare)
- Zhejiang Univ, Coll Life Sci, Hangzhou, Peoples R China
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- Zhu, Yuxiang (författare)
- Zhejiang Univ, Coll Life Sci, Hangzhou, Peoples R China
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- Liu, Ying (författare)
- Zhejiang Univ, Coll Life Sci, Hangzhou, Peoples R China
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- Feng, Yu (författare)
- Zhejiang Univ, Coll Life Sci, Hangzhou, Peoples R China.;Chinese Acad Sci, Chengdu Inst Biol, CAS Key Lab Mt Ecol Restorat & Bioresource Utiliz, Chengdu, Peoples R China.;Chinese Acad Sci, Chengdu Inst Biol, Ecol Restorat & Biodivers Conservat Key Lab Sichu, Chengdu, Peoples R China
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- Lu, Rui-Sen (författare)
- Zhejiang Univ, Coll Life Sci, Hangzhou, Peoples R China.;Jiangsu Prov & Chinese Acad Sci, Inst Bot, Nanjing, Peoples R China
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- Li, Yao (författare)
- Nanjing Forestry Univ, Coll Biol & Environm, Key Lab, State Forestry & Grassland Adm Subtrop Forest Bio, Nanjing, Peoples R China
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- Li, Pan (författare)
- Zhejiang Univ, Coll Life Sci, Hangzhou, Peoples R China
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- Kremer, Antoine (författare)
- Univ Bordeaux, UMR BIOGECO, INRAE, Cestas, France
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- Lascoux, Martin (författare)
- Uppsala universitet,Science for Life Laboratory, SciLifeLab,Institutionen för ekologi och genetik
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- Chen, Jun (författare)
- Zhejiang Univ, Coll Life Sci, Hangzhou, Peoples R China
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Zhejiang Univ, Coll Life Sci, Hangzhou, Peoples R China Zhejiang Univ, Coll Life Sci, Hangzhou, Peoples R China;Chinese Acad Sci, Chengdu Inst Biol, CAS Key Lab Mt Ecol Restorat & Bioresource Utiliz, Chengdu, Peoples R China.;Chinese Acad Sci, Chengdu Inst Biol, Ecol Restorat & Biodivers Conservat Key Lab Sichu, Chengdu, Peoples R China (creator_code:org_t)
- 2022-05-05
- 2022
- Engelska.
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Ingår i: Nature Ecology & Evolution. - : Springer Nature. - 2397-334X. ; 6:7, s. 924-
- Relaterad länk:
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https://www.nature.c...
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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
- Introgression can be an important source of new alleles for adaption under rapidly changing environments, perhaps even more important than standing variation. Though introgression has been extensively studied in many plants and animals, key questions on the underlying mechanisms of introgression still remain unanswered. In particular, we are yet to determine the genomic distribution of introgressed regions along the genome; whether the extent and patterns of introgression are influenced by ecological factors; and when and how introgression contributes to adaptation. Here, we generated high-quality genomic resources for two sympatric widespread Asian oak species, Quercus acutissima and Q. variabilis, sampled in multiple forests to study introgression between them. We show that introgressed regions are broadly distributed across the genome. Introgression was affected by genetic divergence between pairs of populations and by the similarity of the environments in which they live-populations occupying similar ecological sites tended to share the same introgressed regions. Introgressed genomic footprints of adaptation were preferentially located in regions with suppressed recombination rate. Introgression probably confers adaptation in these oak populations by introducing allelic variation in cis-regulatory elements, in particular through transposable element insertions, thereby altering the regulation of genes related to stress. Our results provide new avenues of research for uncovering mechanisms of adaptation due to hybridization in sympatric species. Introgression is an important source of genetic variation. Analysing genomes of two sympatric widespread Asian oak species, the authors find introgression across the genome and signatures of adaptive introgression in regions with suppressed recombination rate.
Ämnesord
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Genetik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Genetics (hsv//eng)
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Fu, Ruirui
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Zhu, Yuxiang
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Liu, Ying
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Feng, Yu
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Lu, Rui-Sen
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Li, Yao
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visa fler...
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Li, Pan
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Kremer, Antoine
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Lascoux, Martin
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Chen, Jun
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visa färre...
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- NATURVETENSKAP
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NATURVETENSKAP
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och Biologi
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NATURVETENSKAP
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och Genetik
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Nature Ecology & ...
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Uppsala universitet