Rapid hybrid speciation in Darwin's finches
Homoploid hybrid speciation in animals has been inferred frequently from patterns of variation, but few examples have withstood critical scrutiny. Here we report a directly documented example, from its origin to reproductive isolation. An immigrant Darwin's finch to Daphne Major in the Galápago...
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Veröffentlicht in: | Science (American Association for the Advancement of Science) 2018-01, Vol.359 (6372), p.224-228 |
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creator | Lamichhaney, Sangeet Han, Fan Webster, Matthew T Andersson, Leif Grant, B Rosemary Grant, Peter R |
description | Homoploid hybrid speciation in animals has been inferred frequently from patterns of variation, but few examples have withstood critical scrutiny. Here we report a directly documented example, from its origin to reproductive isolation. An immigrant Darwin's finch to Daphne Major in the Galápagos archipelago initiated a new genetic lineage by breeding with a resident finch (
). Genome sequencing of the immigrant identified it as a
male that originated on Española >100 kilometers from Daphne Major. From the second generation onward, the lineage bred endogamously and, despite intense inbreeding, was ecologically successful and showed transgressive segregation of bill morphology. This example shows that reproductive isolation, which typically develops over hundreds of generations, can be established in only three. |
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). Genome sequencing of the immigrant identified it as a
male that originated on Española >100 kilometers from Daphne Major. From the second generation onward, the lineage bred endogamously and, despite intense inbreeding, was ecologically successful and showed transgressive segregation of bill morphology. This example shows that reproductive isolation, which typically develops over hundreds of generations, can be established in only three.</description><identifier>ISSN: 0036-8075</identifier><identifier>ISSN: 1095-9203</identifier><identifier>EISSN: 1095-9203</identifier><identifier>DOI: 10.1126/science.aao4593</identifier><identifier>PMID: 29170277</identifier><language>eng</language><publisher>United States: The American Association for the Advancement of Science</publisher><subject>Breeding ; Document reproduction ; Evolutionary Biology ; Evolutionsbiologi ; Gene sequencing ; Genetic analysis ; Genetic markers ; Genomes ; Hybridization ; Inbreeding ; Indigenous species ; Natural selection ; Pedigree ; Reproduction (biology) ; Reproductive isolation ; Speciation</subject><ispartof>Science (American Association for the Advancement of Science), 2018-01, Vol.359 (6372), p.224-228</ispartof><rights>Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works.</rights><rights>Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c507t-7e7e003861b8545a2b3598e8150ba7a7163a318ac317b2ccf9d097c3ec72f89c3</citedby><cites>FETCH-LOGICAL-c507t-7e7e003861b8545a2b3598e8150ba7a7163a318ac317b2ccf9d097c3ec72f89c3</cites><orcidid>0000-0002-7347-5758 ; 0000-0002-4085-6968 ; 0000-0003-1141-2863 ; 0000-0002-8091-443X ; 0000-0003-4826-0349</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,315,781,785,886,2885,2886,27929,27930</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29170277$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-340986$$DView record from Swedish Publication Index$$Hfree_for_read</backlink><backlink>$$Uhttps://res.slu.se/id/publ/93461$$DView record from Swedish Publication Index$$Hfree_for_read</backlink></links><search><creatorcontrib>Lamichhaney, Sangeet</creatorcontrib><creatorcontrib>Han, Fan</creatorcontrib><creatorcontrib>Webster, Matthew T</creatorcontrib><creatorcontrib>Andersson, Leif</creatorcontrib><creatorcontrib>Grant, B Rosemary</creatorcontrib><creatorcontrib>Grant, Peter R</creatorcontrib><creatorcontrib>Sveriges lantbruksuniversitet</creatorcontrib><title>Rapid hybrid speciation in Darwin's finches</title><title>Science (American Association for the Advancement of Science)</title><addtitle>Science</addtitle><description>Homoploid hybrid speciation in animals has been inferred frequently from patterns of variation, but few examples have withstood critical scrutiny. Here we report a directly documented example, from its origin to reproductive isolation. An immigrant Darwin's finch to Daphne Major in the Galápagos archipelago initiated a new genetic lineage by breeding with a resident finch (
). Genome sequencing of the immigrant identified it as a
male that originated on Española >100 kilometers from Daphne Major. From the second generation onward, the lineage bred endogamously and, despite intense inbreeding, was ecologically successful and showed transgressive segregation of bill morphology. 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Here we report a directly documented example, from its origin to reproductive isolation. An immigrant Darwin's finch to Daphne Major in the Galápagos archipelago initiated a new genetic lineage by breeding with a resident finch (
). Genome sequencing of the immigrant identified it as a
male that originated on Española >100 kilometers from Daphne Major. From the second generation onward, the lineage bred endogamously and, despite intense inbreeding, was ecologically successful and showed transgressive segregation of bill morphology. This example shows that reproductive isolation, which typically develops over hundreds of generations, can be established in only three.</abstract><cop>United States</cop><pub>The American Association for the Advancement of Science</pub><pmid>29170277</pmid><doi>10.1126/science.aao4593</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-7347-5758</orcidid><orcidid>https://orcid.org/0000-0002-4085-6968</orcidid><orcidid>https://orcid.org/0000-0003-1141-2863</orcidid><orcidid>https://orcid.org/0000-0002-8091-443X</orcidid><orcidid>https://orcid.org/0000-0003-4826-0349</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Breeding Document reproduction Evolutionary Biology Evolutionsbiologi Gene sequencing Genetic analysis Genetic markers Genomes Hybridization Inbreeding Indigenous species Natural selection Pedigree Reproduction (biology) Reproductive isolation Speciation |
title | Rapid hybrid speciation in Darwin's finches |
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