Susceptibility of Italian agile frog populations to an emerging strain of Ranavirus parallels population genetic diversity
Identifieur interne : 000B55 ( Istex/Corpus ); précédent : 000B54; suivant : 000B56Susceptibility of Italian agile frog populations to an emerging strain of Ranavirus parallels population genetic diversity
Auteurs : Peter B. Pearman ; Trenton W. J. GarnerSource :
- Ecology Letters [ 1461-023X ] ; 2005-04.
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Abstract
Western populations of the Italian agile frog (Rana latastei) experience widespread genetic depletion. Based on population genetic theory, molecular models of immunity and previous empirical studies, population genetic depletion predicts increased susceptibility of populations to emergent pathogens. We experimentally compared susceptibility of R. latastei populations upon exposure to an emerging strain of Ranavirus, frog virus 3 (FV3), using six populations spanning the geographical range and range of population genetic diversity found in nature. Our findings confirm this prediction, suggesting that the loss of genetic diversity accompanying range expansion and population isolation is coincident with increased mortality risk from an emergent pathogen. Loss of heterozygosity and escape from selection imposed by immunologically cross‐reactive pathogens may potentially generate range‐wide variation in disease resistance.
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DOI: 10.1111/j.1461-0248.2005.00735.x
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E‐mail: </i><email>pearman@msu.edu</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:ELE.ELE735.pdf"></link></linkGroup></publicationMeta><contentMeta><unparsedEditorialHistory>Editor, Ross Alford Manuscript received 22 November 2004 First decision made 29 December 2004 Manuscript accepted 10 January 2005</unparsedEditorialHistory><countGroup><count type="figureTotal" number="4"></count><count type="tableTotal" number="1"></count></countGroup><titleGroup><title type="main">Susceptibility of Italian agile frog populations to an emerging strain of <i>Ranavirus</i> parallels population genetic diversity</title><title type="shortAuthors">P. B. Pearman and T. W. J. Garner</title><title type="short">Geographical pattern in pathogen susceptibility</title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" corresponding="yes"><personName><givenNames>Peter B.</givenNames><familyName>Pearman</familyName></personName></creator><creator creatorRole="author" xml:id="cr2" noteRef="#fn1"><personName><givenNames>Trenton W. J.</givenNames><familyName>Garner</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="aff-1-1" countryCode="CH"><unparsedAffiliation>Zoologisches Institut, University of Zurich, Winterthurerstrasse 190, CH‐8057 Zurich, Switzerland</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">Amphibian declines</keyword><keyword xml:id="k2">disease emergence</keyword><keyword xml:id="k3">frog virus 3</keyword><keyword xml:id="k4">habitat fragmentation</keyword><keyword xml:id="k5">heterozygosity</keyword><keyword xml:id="k6">inbreeding</keyword><keyword xml:id="k7">iridovirus</keyword><keyword xml:id="k8">pathogen</keyword><keyword xml:id="k9"><i>Ranavirus</i></keyword><keyword xml:id="k10">resistance</keyword><keyword xml:id="k11">susceptibility</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>Western populations of the Italian agile frog (<i>Rana latastei</i>) experience widespread genetic depletion. Based on population genetic theory, molecular models of immunity and previous empirical studies, population genetic depletion predicts increased susceptibility of populations to emergent pathogens. We experimentally compared susceptibility of <i>R. latastei</i> populations upon exposure to an emerging strain of <i>Ranavirus</i>, frog virus 3 (FV3), using six populations spanning the geographical range and range of population genetic diversity found in nature. Our findings confirm this prediction, suggesting that the loss of genetic diversity accompanying range expansion and population isolation is coincident with increased mortality risk from an emergent pathogen. Loss of heterozygosity and escape from selection imposed by immunologically cross‐reactive pathogens may potentially generate range‐wide variation in disease resistance.</p></abstract></abstractGroup></contentMeta><noteGroup><note xml:id="fn1"><label>†</label><p><i>Present address: Institute of Zoology, Zoological Society of London, Wellcome Building, Regent's Park NW1 4RY UK. E‐mail: </i><email>trent.garner@ioz.ac.uk</email></p></note></noteGroup></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Susceptibility of Italian agile frog populations to an emerging strain of Ranavirus parallels population genetic diversity</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Geographical pattern in pathogen susceptibility</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Susceptibility of Italian agile frog populations to an emerging strain of Ranavirus parallels population genetic diversity</title></titleInfo><name type="personal"><namePart type="given">Peter B.</namePart><namePart type="family">Pearman</namePart><affiliation>Zoologisches Institut, University of Zurich, Winterthurerstrasse 190, CH‐8057 Zurich, Switzerland</affiliation><affiliation>E-mail: pearman@msu.edu</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Trenton W. 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Based on population genetic theory, molecular models of immunity and previous empirical studies, population genetic depletion predicts increased susceptibility of populations to emergent pathogens. We experimentally compared susceptibility of R. latastei populations upon exposure to an emerging strain of Ranavirus, frog virus 3 (FV3), using six populations spanning the geographical range and range of population genetic diversity found in nature. Our findings confirm this prediction, suggesting that the loss of genetic diversity accompanying range expansion and population isolation is coincident with increased mortality risk from an emergent pathogen. Loss of heterozygosity and escape from selection imposed by immunologically cross‐reactive pathogens may potentially generate range‐wide variation in disease resistance.</abstract><subject lang="en"><genre>keywords</genre><topic>Amphibian declines</topic><topic>disease emergence</topic><topic>frog virus 3</topic><topic>habitat fragmentation</topic><topic>heterozygosity</topic><topic>inbreeding</topic><topic>iridovirus</topic><topic>pathogen</topic><topic>Ranavirus</topic><topic>resistance</topic><topic>susceptibility</topic></subject><relatedItem type="host"><titleInfo><title>Ecology Letters</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">1461-023X</identifier><identifier type="eISSN">1461-0248</identifier><identifier type="DOI">10.1111/(ISSN)1461-0248</identifier><identifier type="PublisherID">ELE</identifier><part><date>2005</date><detail type="volume"><caption>vol.</caption><number>8</number></detail><detail type="issue"><caption>no.</caption><number>4</number></detail><extent unit="pages"><start>401</start><end>408</end><total>8</total></extent></part></relatedItem><identifier type="istex">20CC200F8E1ABBD7EA5DF447EDB610EF239EFAD8</identifier><identifier type="DOI">10.1111/j.1461-0248.2005.00735.x</identifier><identifier type="ArticleID">ELE735</identifier><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Blackwell Science Ltd</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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