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The Genomic Footprints of the Fall and Recovery of the Crested Ibis

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dc.contributor.author Feng, Shaohong
dc.contributor.author Fang, Qi
dc.contributor.author Barnett, Ross
dc.contributor.author Li, Cai
dc.contributor.author Han, Sojung
dc.contributor.author Kuhlwilm, Martin
dc.contributor.author Zhou, Long
dc.contributor.author Pan, Hailin
dc.contributor.author Deng, Yuan
dc.contributor.author Chen, Guangji
dc.contributor.author Gamauf, Anita
dc.contributor.author Woog, Friederike
dc.contributor.author Prys-Jones, Robert
dc.contributor.author Marquès i Bonet, Tomàs, 1975-
dc.contributor.author Gilbert, M Thomas
dc.contributor.author Zhang, Guojie
dc.date.accessioned 2019-03-05T08:14:33Z
dc.date.available 2019-03-05T08:14:33Z
dc.date.issued 2019
dc.identifier.citation Feng S, Fang Q, Barnett R, Li C, Han S, Kuhlwilm M et al. The Genomic Footprints of the Fall and Recovery of the Crested Ibis. Curr Biol. 2019;29(2):340-9. DOI: 10.1016/j.cub.2018.12.008
dc.identifier.issn 0960-9822
dc.identifier.uri http://hdl.handle.net/10230/36731
dc.description.abstract Human-induced environmental change and habitat fragmentation pose major threats to biodiversity and require active conservation efforts to mitigate their consequences. Genetic rescue through translocation and the introduction of variation into imperiled populations has been argued as a powerful means to preserve, or even increase, the genetic diversity and evolutionary potential of endangered species [1-4]. However, factors such as outbreeding depression [5, 6] and a reduction in available genetic diversity render the success of such approaches uncertain. An improved evaluation of the consequence of genetic restoration requires knowledge of temporal changes to genetic diversity before and after the advent of management programs. To provide such information, a growing number of studies have included small numbers of genomic loci extracted from historic and even ancient specimens [7, 8]. We extend this approach to its natural conclusion, by characterizing the complete genomic sequences of modern and historic population samples of the crested ibis (Nipponia nippon), an endangered bird that is perhaps the most successful example of how conservation effort has brought a species back from the brink of extinction. Though its once tiny population has today recovered to >2,000 individuals [9], this process was accompanied by almost half of ancestral loss of genetic variation and high deleterious mutation load. We furthermore show how genetic drift coupled to inbreeding following the population bottleneck has largely purged the ancient polymorphisms from the current population. In conclusion, we demonstrate the unique promise of exploiting genomic information held within museum samples for conservation and ecological research.
dc.description.sponsorship This work was supported by the Strategic Priority Research Program of Chinese Academy of Sciences (XDB31020000, XDB13000000), Carlsberg Foundation grant to G.Z. (CF16-0663), ERC Consolidator Grant 681396 ‘Extinction Genomics’ (M.T.P.G.), BFU2017-86471-P (MINECO/FEDER, UE) (T.M.-B.), U01 MH106874 grant (T.M.-B.), Howard Hughes International Early Career (T.M.-B.), Obra Social “La Caixa” and Secretaria d’Universitats i Recerca (T.M.-B.), CERCA Programme del Departament d’Economia i Coneixement de la Generalitat de Catalunya (T.M.-B.), and Deutsche Forschungsgemeinschaft (DFG) fellowship (KU 3467/1-1) (M.K.).
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Elsevier
dc.relation.ispartof Current Biology. 2019;29(2):340-9
dc.rights © 2018 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.title The Genomic Footprints of the Fall and Recovery of the Crested Ibis
dc.type info:eu-repo/semantics/article
dc.identifier.doi http://dx.doi.org/10.1016/j.cub.2018.12.008
dc.subject.keyword Conservation genomics
dc.subject.keyword Population genomics
dc.subject.keyword Endangered species
dc.subject.keyword Extinction
dc.subject.keyword Demography
dc.subject.keyword Inbreeding
dc.subject.keyword Mutation load
dc.subject.keyword Genetic recovery
dc.subject.keyword Ancient genomics
dc.subject.keyword Ornithology
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/681396
dc.rights.accessRights info:eu-repo/semantics/openAccess
dc.type.version info:eu-repo/semantics/publishedVersion


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