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Global population divergence and admixture of the brown rat (Rattus norvegicus)

Puckett Emily E., Park Jane, Combs Matthew, Blum Michael J., Bryant Juliet, Caccone Adalgisa, Costa Federico, Deinum Eva E., Esther Alexandra, Himsworth Chelsea G., Keightley Peter D., Ko Albert, Lundkvist Ake, McElhinney Lorraine M., Morand Serge, Robins Judith, Russell James, Strand Tanja M., Suarez Olga, Yon Lisa, Munshi-South Jason. 2016. Global population divergence and admixture of the brown rat (Rattus norvegicus). Proceedings of the Royal Society B: Biological Sciences, 283 (1841)

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Quartile : Q1, Sujet : BIOLOGY / Quartile : Q1, Sujet : ECOLOGY / Quartile : Q1, Sujet : EVOLUTIONARY BIOLOGY

Liste HCERES des revues (en SHS) : oui

Thème(s) HCERES des revues (en SHS) : Psychologie-éthologie-ergonomie

Résumé : Native to China and Mongolia, the brown rat (Rattus norvegicus) now enjoys a worldwide distribution. While black rats and the house mouse tracked the regional development of human agricultural settlements, brown rats did not appear in Europe until the 1500s, suggesting their range expansion was a response to relatively recent increases in global trade. We inferred the global phylogeography of brown rats using 32 k SNPs, and detected 13 evolutionary clusters within five expansion routes. One cluster arose following a southward expansion into Southeast Asia. Three additional clusters arose from two independent eastward expansions: one expansion from Russia to the Aleutian Archipelago, and a second to western North America. Westward expansion resulted in the colonization of Europe from which subsequent rapid colonization of Africa, the Americas and Australasia occurred, and multiple evolutionary clusters were detected. An astonishing degree of fine-grained clustering between and within sampling sites underscored the extent to which urban heterogeneity shaped genetic structure of commensal rodents. Surprisingly, few individuals were recent migrants, suggesting that recruitment into established populations is limited. Understanding the global population structure of R. norvegicus offers novel perspectives on the forces driving the spread of zoonotic disease, and aids in development of rat eradication programmes.

Mots-clés Agrovoc : variation génétique, rat, commerce agricole, Rattus norvegicus, génétique des populations, distribution géographique

Mots-clés géographiques Agrovoc : Chine, Europe, Amérique du Nord, Sénégal, Asie du Sud-Est, Fédération de Russie, Afrique, Nigéria, Mali

Classification Agris : L72 - Organismes nuisibles des animaux
L20 - Écologie animale
L73 - Maladies des animaux
000 - Autres thèmes

Champ stratégique Cirad : Axe 4 (2014-2018) - Santé des animaux et des plantes

Auteurs et affiliations

  • Puckett Emily E., Fordham University (USA)
  • Park Jane, Fordham University (USA)
  • Combs Matthew, Fordham University (USA)
  • Blum Michael J., Tulane University (USA)
  • Bryant Juliet, Oxford University (GBR)
  • Caccone Adalgisa, Yale University (USA)
  • Costa Federico, UESB (BRA)
  • Deinum Eva E., University of Edinburgh (GBR)
  • Esther Alexandra, Federal Research Centre for Cultivated Plants (DEU)
  • Himsworth Chelsea G., Animal Health Institute (GBR)
  • Keightley Peter D., University of Edinburgh (GBR)
  • Ko Albert, Yale University (USA)
  • Lundkvist Ake, Uppsala University (SWE)
  • McElhinney Lorraine M., Wildlife Zoonoses and Vector Borne Disease Research Group (GBR)
  • Morand Serge, CIRAD-ES-UPR AGIRs (LAO) ORCID: 0000-0003-3986-7659
  • Robins Judith, University of Auckland (NZL)
  • Russell James, University of Auckland (NZL)
  • Strand Tanja M., Uppsala University (SWE)
  • Suarez Olga, UBA (ARG)
  • Yon Lisa, Nottingham University (GBR)
  • Munshi-South Jason, Fordham University (USA)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/581267/)

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