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

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dc.contributor.author Puckett, Emily E en
dc.contributor.author Park, Jane en
dc.contributor.author Combs, Matthew en
dc.contributor.author Blum, Michael J en
dc.contributor.author Bryant, Juliet E en
dc.contributor.author Caccone, Adalgisa en
dc.contributor.author Costa, Federico en
dc.contributor.author Deinum, Eva E en
dc.contributor.author Esther, Alexandra en
dc.contributor.author Himsworth, Chelsea G en
dc.contributor.author Keightley, Peter D en
dc.contributor.author Ko, Albert en
dc.contributor.author Lundkvist, Åke en
dc.contributor.author McElhinney, Lorraine M en
dc.contributor.author Morand, Serge en
dc.contributor.author Robins, Judith en
dc.contributor.author Russell, James en
dc.contributor.author Strand, Tanja M en
dc.contributor.author Suarez, Olga en
dc.contributor.author Yon, Lisa en
dc.contributor.author Munshi-South, Jason en
dc.date.accessioned 2020-02-11T23:06:03Z en
dc.date.issued 2016-10 en
dc.identifier.issn 0962-8452 en
dc.identifier.uri http://hdl.handle.net/2292/49929 en
dc.description.abstract 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. en
dc.format.medium Print en
dc.language eng en
dc.relation.ispartofseries Proceedings. Biological sciences en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.subject Animals en
dc.subject Humans en
dc.subject Rats en
dc.subject Genetics, Population en
dc.subject Evolution, Molecular en
dc.subject Polymorphism, Single Nucleotide en
dc.subject Africa en
dc.subject North America en
dc.subject China en
dc.subject Mongolia en
dc.subject Europe en
dc.subject Russia en
dc.subject Australasia en
dc.title Global population divergence and admixture of the brown rat (Rattus norvegicus). en
dc.type Journal Article en
dc.identifier.doi 10.1098/rspb.2016.1762 en
pubs.issue 1841 en
pubs.volume 283 en
dc.rights.holder Copyright: The author en
dc.identifier.pmid 27798305 en
pubs.publication-status Published en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype research-article en
pubs.subtype Journal Article en
pubs.elements-id 719914 en
pubs.org-id Science en
pubs.org-id Biological Sciences en
dc.identifier.eissn 1471-2954 en
pubs.record-created-at-source-date 2016-11-01 en
pubs.dimensions-id 27798305 en


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