SwePub
Sök i LIBRIS databas

  Utökad sökning

id:"swepub:oai:DiVA.org:umu-192645"
 

Sökning: id:"swepub:oai:DiVA.org:umu-192645" > Demographic History...

Demographic History and Natural Selection Shape Patterns of Deleterious Mutation Load and Barriers to Introgression across Populus Genome

Liu, Shuyu (författare)
Key Laboratory for Bio-Resources and Eco-Environment of Ministry of Education, College of Life Science & State Key Lab of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, China
Zhang, Lei (författare)
Key Laboratory for Bio-Resources and Eco-Environment of Ministry of Education, College of Life Science & State Key Lab of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, China
Sang, Yupeng (författare)
Key Laboratory for Bio-Resources and Eco-Environment of Ministry of Education, College of Life Science & State Key Lab of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, China
visa fler...
Lai, Qiang (författare)
Key Laboratory for Bio-Resources and Eco-Environment of Ministry of Education, College of Life Science & State Key Lab of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, China
Zhang, Xinxin (författare)
Key Laboratory for Bio-Resources and Eco-Environment of Ministry of Education, College of Life Science & State Key Lab of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, China
Jia, Changfu (författare)
Key Laboratory for Bio-Resources and Eco-Environment of Ministry of Education, College of Life Science & State Key Lab of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, China
Long, Zhiqin (författare)
Key Laboratory for Bio-Resources and Eco-Environment of Ministry of Education, College of Life Science & State Key Lab of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, China
Wu, Jiali (författare)
Key Laboratory for Bio-Resources and Eco-Environment of Ministry of Education, College of Life Science & State Key Lab of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, China
Ma, Tao (författare)
Key Laboratory for Bio-Resources and Eco-Environment of Ministry of Education, College of Life Science & State Key Lab of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, China
Mao, Kangshan (författare)
Key Laboratory for Bio-Resources and Eco-Environment of Ministry of Education, College of Life Science & State Key Lab of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, China
Street, Nathaniel, 1979- (författare)
Umeå universitet,Institutionen för fysiologisk botanik,Umeå Plant Science Centre (UPSC)
Ingvarsson, Pär K. (författare)
Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för växtbiologi,Department of Plant Biology
Liu, Jianquan (författare)
Key Laboratory for Bio-Resources and Eco-Environment of Ministry of Education, College of Life Science & State Key Lab of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, China
Wang, Jing (författare)
Key Laboratory for Bio-Resources and Eco-Environment of Ministry of Education, College of Life Science & State Key Lab of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, China
visa färre...
 (creator_code:org_t)
 
2022-01-12
2022
Engelska.
Ingår i: Molecular biology and evolution. - : Oxford University Press. - 0737-4038 .- 1537-1719. ; 39:2
Relaterad länk:
https://doi.org/10.1...
visa fler...
https://umu.diva-por... (primary) (Raw object)
https://academic.oup...
https://pub.epsilon.... (primary) (Raw object) (free)
https://urn.kb.se/re...
https://doi.org/10.1...
https://res.slu.se/i...
visa färre...
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • Hybridization and resulting introgression are important processes shaping the tree of life and appear to be far more common than previously thought. However, how the genome evolution was shaped by various genetic and evolutionary forces after hybridization remains unresolved. Here we used whole-genome resequencing data of 227 individuals from multiple widespread Populus species to characterize their contemporary patterns of hybridization and to quantify genomic signatures of past introgression. We observe a high frequency of contemporary hybridization and confirm that multiple previously ambiguous species are in fact F1 hybrids. Seven species were identified, which experienced different demographic histories that resulted in strikingly varied efficacy of selection and burdens of deleterious mutations. Frequent past introgression has been found to be a pervasive feature throughout the speciation of these Populus species. The retained introgressed regions, more generally, tend to contain reduced genetic load and to be located in regions of high recombination. We also find that in pairs of species with substantial differences in effective population size, introgressed regions are inferred to have undergone selective sweeps at greater than expected frequencies in the species with lower effective population size, suggesting that introgression likely have higher potential to provide beneficial variation for species with small populations. Our results, therefore, illustrate that demography and recombination have interplayed with both positive and negative selection in determining the genomic evolution after hybridization.

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)
LANTBRUKSVETENSKAPER  -- Lantbruksvetenskap, skogsbruk och fiske -- Jordbruksvetenskap (hsv//swe)
AGRICULTURAL SCIENCES  -- Agriculture, Forestry and Fisheries -- Agricultural Science (hsv//eng)

Nyckelord

Populus
adaptive introgression
genetic load
hybridization
natural selection

Publikations- och innehållstyp

ref (ämneskategori)
art (ämneskategori)

Hitta via bibliotek

Till lärosätets databas

Kungliga biblioteket hanterar dina personuppgifter i enlighet med EU:s dataskyddsförordning (2018), GDPR. Läs mer om hur det funkar här.
Så här hanterar KB dina uppgifter vid användning av denna tjänst.

 
pil uppåt Stäng

Kopiera och spara länken för att återkomma till aktuell vy