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A crowd-sourced gen...
A crowd-sourced genomic project to assess hybrid content in a rare avian vagrant (Azure Tit Cyanistes cyanus (Pallas, 1770))
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- Irestedt, Martin, 1968- (författare)
- Naturhistoriska riksmuseet,Enheten för bioinformatik och genetik
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- Thörn, Filip, 1992- (författare)
- Stockholms universitet,Zoologiska institutionen,Swedish Museum of Natural History, Sweden
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- Ericson, Per G.P. (författare)
- Naturhistoriska riksmuseet,Enheten för bioinformatik och genetik
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van Grouw, Hein (författare)
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Red'kin, Yaroslav A. (författare)
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- Hellquist, Alexander, 1980- (författare)
- Uppsala universitet,SWEDESD - Centrum för forskning och utbildning om lärande för hållbar utveckling
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- Johansson, Frank (författare)
- Uppsala universitet,Zooekologi
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Nylander, Johan A.A. (författare)
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(creator_code:org_t)
- Elsevier, 2023
- 2023
- Engelska.
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Ingår i: Avian Research. - : Elsevier. - 2053-7166. ; 14
- 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://nrm.diva-por... (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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https://urn.kb.se/re...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- The aim of this study was to correlate plumage variation with the amount of genomic hybrid content in hybrids between Azure Tits Cyanistes cyanus (Pallas, 1770) and European Blue Tit Cyanistes caeruleus (Linnaeus, 1758), by re-sequencing the genomes of museum specimens of non-hybrids and presumed hybrids with varying plumages. The project was funded by crowdsourcing and initiated when two presumed Azure Tits, observed by hundreds of Swedish birdwatchers, were rejected as hybrids based on minor plumage deviations assumed to indicate hybrid contents from the European Blue Tit. The results confirm that hybrids with intermediate plumages, so called Pleske’s Tits, are first generation hybrids (F1 hybrids). Individuals, whose plumages are similar to Azure Tits, but assessed as hybrids based on minor plumage deviations, are all backcrosses but vary in their degree of hybrid content. However, some individuals morphologically recognized as pure Azure Tits expressed similar degrees of hybrid content. The results indicate that: (1) hybrid content may be widespread in Azure Tits in the western part of its habitat distribution; (2) plumage deviation in backcrosses is not linearly correlated with the genetic degree of hybrid origin; and (3) all Azure Tits observed in Europe outside its natural distribution may have some degree of hybrid origin. We therefore suggest that it is very difficult to phenotypically single out hybrids beyond first generation backcrosses. We argue that decreased sequencing costs and improved analytical tools open the doors for museomic crowd-sourced projects that may not address outstanding biological questions but have a major interest for lay citizens such as birdwatchers.
Ämnesord
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
Nyckelord
- Crowdsourcing
- Cyanistes cyanus
- Hybridization
- Museomics
- Biology with specialization in Systematics
- Biologi med inriktning mot systematik
- Ecosystems and species history
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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