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Asymmetric introgre...
Asymmetric introgression reveals the genetic architecture of a plumage trait
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- Semenov, Georgy A. (författare)
- Univ Colorado, Ecol & Evolutionary Biol, Boulder, CO 80309 USA.
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- Linck, Ethan (författare)
- Univ New Mexico, UNM Biol, Albuquerque, NM 87131 USA.
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- Enbody, Erik D. (författare)
- Uppsala universitet,Institutionen för medicinsk biokemi och mikrobiologi
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- Harris, Rebecca B. (författare)
- Adapt Biotechnol, Seattle, WA USA.
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- Khaydarov, David R. (författare)
- Sch 171, Moscow, Russia.
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- Alström, Per, Professor (författare)
- Uppsala universitet,Zooekologi,Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing, Peoples R China.,Uppsala University,Chinese Academy of Sciences
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- Andersson, Leif (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Uppsala universitet,Institutionen för medicinsk biokemi och mikrobiologi,Texas A&M Univ, Dept Vet Integrat Biosci, Coll Vet Med & Biomed Sci, College Stn, TX USA.;Swedish Univ Agr Sci, Dept Anim Breeding & Genet, Uppsala, Sweden.,Institutionen för husdjursgenetik (HGEN),Department of Animal Breeding and Genetics,Uppsala University,Texas A&M University
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- Taylor, Scott A. (författare)
- Univ Colorado, Ecol & Evolutionary Biol, Boulder, CO 80309 USA.
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Univ Colorado, Ecol & Evolutionary Biol, Boulder, CO 80309 USA Univ New Mexico, UNM Biol, Albuquerque, NM 87131 USA. (creator_code:org_t)
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- 2021-02-15
- 2021
- Engelska.
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Ingår i: Nature Communications. - : Springer Nature. - 2041-1723. ; 12:1
- 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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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Genome-wide variation in introgression rates across hybrid zones offers a powerful opportunity for studying population differentiation. One poorly understood pattern of introgression is the geographic displacement of a trait implicated in lineage divergence from genome-wide population boundaries. While difficult to interpret, this pattern can facilitate the dissection of trait genetic architecture because traits become uncoupled from their ancestral genomic background. We studied an example of trait displacement generated by the introgression of head plumage coloration from personata to alba subspecies of the white wagtail. A previous study of their hybrid zone in Siberia revealed that the geographic transition in this sexual signal that mediates assortative mating was offset from other traits and genetic markers. Here we show that head plumage is associated with two small genetic regions. Despite having a simple genetic architecture, head plumage inheritance is consistent with partial dominance and epistasis, which could contribute to its asymmetric introgression. Hybrid zones are windows into the evolutionary process. Semenov et al. find that the head plumage differences between white wagtail subspecies have a simple genetic basis involving two small genetic regions, in which partially dominant and epistatic interactions help to explain how this sexual signal has become decoupled from other plumage traits.
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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- ref (ämneskategori)
- art (ämneskategori)
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