Mitochondrial DNA reveals multiple Northern Hemisphere introductions of Caprella mutica (Crustacea, Amphipoda)
Identifieur interne : 001577 ( Istex/Corpus ); précédent : 001576; suivant : 001578Mitochondrial DNA reveals multiple Northern Hemisphere introductions of Caprella mutica (Crustacea, Amphipoda)
Auteurs : Gail V. Ashton ; Mark I. Stevens ; Mark C. Hart ; David H. Green ; Michael T. Burrows ; Elizabeth J. Cook ; Kate J. WillisSource :
- Molecular Ecology [ 0962-1083 ] ; 2008-03.
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Abstract
Caprella mutica (Crustacea, Amphipoda) has been widely introduced to non‐native regions in the last 40 years. Its native habitat is sub‐boreal northeast Asia, but in the Northern Hemisphere, it is now found on both coasts of North America, and North Atlantic coastlines of Europe. Direct sequencing of mitochondrial DNA (cytochrome c oxidase subunit I gene) was used to compare genetic variation in native and non‐native populations of C. mutica. These data were used to investigate the invasion history of C. mutica and to test potential source populations in Japan. High diversity (31 haplotypes from 49 individuals), but no phylogeographical structure, was identified in four populations in the putative native range. In contrast, non‐native populations showed reduced genetic diversity (7 haplotypes from 249 individuals) and informative phylogeographical structure. Grouping of C. mutica populations into native, east Pacific, and Atlantic groups explained the most among‐region variation (59%). This indicates independent introduction pathways for C. mutica to the Pacific and Atlantic coasts of North America. Two dominant haplotypes were identified in eastern and western Atlantic coastal populations, indicating several dispersal routes within the Atlantic. The analysis indicated that several introductions from multiple sources were likely to be responsible for the observed global distribution of C. mutica, but the pathways were least well defined among the Atlantic populations. The four sampled populations of C. mutica in Japan could not be identified as the direct source of the non‐native populations examined in this study. The high diversity within the Japan populations indicates that the native range needs to be assessed at a far greater scale, both within and among populations, to accurately assess the source of the global spread of C. mutica.
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DOI: 10.1111/j.1365-294X.2007.03668.x
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Willis</name><affiliation><mods:affiliation>Scottish Association for Marine Science, Dunstaffnage Marine Laboratory, Oban, Argyll PA37 1QA, Scotland, UK,</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Molecular Ecology</title><idno type="ISSN">0962-1083</idno><idno type="eISSN">1365-294X</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2008-03">2008-03</date><biblScope unit="volume">17</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="1293">1293</biblScope><biblScope unit="page" to="1303">1303</biblScope></imprint><idno type="ISSN">0962-1083</idno></series><idno type="istex">55F876A681778FC47B0CCEEAC7F623717666CC30</idno><idno type="DOI">10.1111/j.1365-294X.2007.03668.x</idno><idno type="ArticleID">MEC3668</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0962-1083</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>COI gene</term><term>Crustacea</term><term>biological invasions</term><term>marine non‐native species</term><term>phylogeography</term><term>population genetics</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Caprella mutica (Crustacea, Amphipoda) has been widely introduced to non‐native regions in the last 40 years. Its native habitat is sub‐boreal northeast Asia, but in the Northern Hemisphere, it is now found on both coasts of North America, and North Atlantic coastlines of Europe. Direct sequencing of mitochondrial DNA (cytochrome c oxidase subunit I gene) was used to compare genetic variation in native and non‐native populations of C. mutica. These data were used to investigate the invasion history of C. mutica and to test potential source populations in Japan. High diversity (31 haplotypes from 49 individuals), but no phylogeographical structure, was identified in four populations in the putative native range. In contrast, non‐native populations showed reduced genetic diversity (7 haplotypes from 249 individuals) and informative phylogeographical structure. Grouping of C. mutica populations into native, east Pacific, and Atlantic groups explained the most among‐region variation (59%). This indicates independent introduction pathways for C. mutica to the Pacific and Atlantic coasts of North America. Two dominant haplotypes were identified in eastern and western Atlantic coastal populations, indicating several dispersal routes within the Atlantic. The analysis indicated that several introductions from multiple sources were likely to be responsible for the observed global distribution of C. mutica, but the pathways were least well defined among the Atlantic populations. The four sampled populations of C. mutica in Japan could not be identified as the direct source of the non‐native populations examined in this study. The high diversity within the Japan populations indicates that the native range needs to be assessed at a far greater scale, both within and among populations, to accurately assess the source of the global spread of C. mutica.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>GAIL V. 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Its native habitat is sub‐boreal northeast Asia, but in the Northern Hemisphere, it is now found on both coasts of North America, and North Atlantic coastlines of Europe. Direct sequencing of mitochondrial DNA (cytochrome c oxidase subunit I gene) was used to compare genetic variation in native and non‐native populations of C. mutica. These data were used to investigate the invasion history of C. mutica and to test potential source populations in Japan. High diversity (31 haplotypes from 49 individuals), but no phylogeographical structure, was identified in four populations in the putative native range. In contrast, non‐native populations showed reduced genetic diversity (7 haplotypes from 249 individuals) and informative phylogeographical structure. Grouping of C. mutica populations into native, east Pacific, and Atlantic groups explained the most among‐region variation (59%). This indicates independent introduction pathways for C. mutica to the Pacific and Atlantic coasts of North America. Two dominant haplotypes were identified in eastern and western Atlantic coastal populations, indicating several dispersal routes within the Atlantic. The analysis indicated that several introductions from multiple sources were likely to be responsible for the observed global distribution of C. mutica, but the pathways were least well defined among the Atlantic populations. The four sampled populations of C. mutica in Japan could not be identified as the direct source of the non‐native populations examined in this study. 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USA,</affiliation></author><author xml:id="author-2"><persName><forename type="first">MARK I.</forename><surname>STEVENS</surname></persName><affiliation>Allan Wilson Centre for Molecular Ecology and Evolution, Massey University, Private Bag 11–222, Palmerston North 4442, New Zealand,</affiliation><affiliation>School of Biological Sciences, Monash University, Clayton, Vic. 3800, Australia</affiliation></author><author xml:id="author-3"><persName><forename type="first">MARK C.</forename><surname>HART</surname></persName><affiliation>Scottish Association for Marine Science, Dunstaffnage Marine Laboratory, Oban, Argyll PA37 1QA, Scotland, UK,</affiliation></author><author xml:id="author-4"><persName><forename type="first">DAVID H.</forename><surname>GREEN</surname></persName><affiliation>Scottish Association for Marine Science, Dunstaffnage Marine Laboratory, Oban, Argyll PA37 1QA, Scotland, UK,</affiliation></author><author xml:id="author-5"><persName><forename type="first">MICHAEL T.</forename><surname>BURROWS</surname></persName><affiliation>Scottish Association for Marine Science, Dunstaffnage Marine Laboratory, Oban, Argyll PA37 1QA, Scotland, UK,</affiliation></author><author xml:id="author-6"><persName><forename type="first">ELIZABETH J.</forename><surname>COOK</surname></persName><affiliation>Scottish Association for Marine Science, Dunstaffnage Marine Laboratory, Oban, Argyll PA37 1QA, Scotland, UK,</affiliation></author><author xml:id="author-7"><persName><forename type="first">KATE J.</forename><surname>WILLIS</surname></persName><affiliation>Scottish Association for Marine Science, Dunstaffnage Marine Laboratory, Oban, Argyll PA37 1QA, Scotland, UK,</affiliation></author></analytic><monogr><title level="j">Molecular Ecology</title><idno type="pISSN">0962-1083</idno><idno type="eISSN">1365-294X</idno><idno type="DOI">10.1111/(ISSN)1365-294X</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2008-03"></date><biblScope unit="volume">17</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="1293">1293</biblScope><biblScope unit="page" to="1303">1303</biblScope></imprint></monogr><idno type="istex">55F876A681778FC47B0CCEEAC7F623717666CC30</idno><idno type="DOI">10.1111/j.1365-294X.2007.03668.x</idno><idno type="ArticleID">MEC3668</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>2008</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>Caprella mutica (Crustacea, Amphipoda) has been widely introduced to non‐native regions in the last 40 years. Its native habitat is sub‐boreal northeast Asia, but in the Northern Hemisphere, it is now found on both coasts of North America, and North Atlantic coastlines of Europe. Direct sequencing of mitochondrial DNA (cytochrome c oxidase subunit I gene) was used to compare genetic variation in native and non‐native populations of C. mutica. These data were used to investigate the invasion history of C. mutica and to test potential source populations in Japan. High diversity (31 haplotypes from 49 individuals), but no phylogeographical structure, was identified in four populations in the putative native range. In contrast, non‐native populations showed reduced genetic diversity (7 haplotypes from 249 individuals) and informative phylogeographical structure. Grouping of C. mutica populations into native, east Pacific, and Atlantic groups explained the most among‐region variation (59%). This indicates independent introduction pathways for C. mutica to the Pacific and Atlantic coasts of North America. Two dominant haplotypes were identified in eastern and western Atlantic coastal populations, indicating several dispersal routes within the Atlantic. The analysis indicated that several introductions from multiple sources were likely to be responsible for the observed global distribution of C. mutica, but the pathways were least well defined among the Atlantic populations. The four sampled populations of C. mutica in Japan could not be identified as the direct source of the non‐native populations examined in this study. The high diversity within the Japan populations indicates that the native range needs to be assessed at a far greater scale, both within and among populations, to accurately assess the source of the global spread of C. mutica.</p></abstract><textClass xml:lang="en"><keywords scheme="keyword"><list><head>keywords</head><item><term>biological invasions</term></item><item><term>COI gene</term></item><item><term>Crustacea</term></item><item><term>marine non‐native species</term></item><item><term>phylogeography</term></item><item><term>population genetics</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2008-03">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><original>false</original><mimetype>text/plain</mimetype><extension>txt</extension><uri>https://api.istex.fr/document/55F876A681778FC47B0CCEEAC7F623717666CC30/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component version="2.0" type="serialArticle" xml:lang="en"><header><publicationMeta level="product"><publisherInfo><publisherName>Blackwell Publishing Ltd</publisherName><publisherLoc>Oxford, UK</publisherLoc></publisherInfo><doi origin="wiley" registered="yes">10.1111/(ISSN)1365-294X</doi><issn type="print">0962-1083</issn><issn type="electronic">1365-294X</issn><idGroup><id type="product" value="MEC"></id><id type="publisherDivision" value="ST"></id></idGroup><titleGroup><title type="main" sort="MOLECULAR ECOLOGY">Molecular Ecology</title></titleGroup></publicationMeta><publicationMeta level="part" position="03005"><doi origin="wiley">10.1111/mec.2008.17.issue-5</doi><numberingGroup><numbering type="journalVolume" number="17">17</numbering><numbering type="journalIssue" number="5">5</numbering></numberingGroup><coverDate startDate="2008-03">March 2008</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="12" status="forIssue"><doi origin="wiley">10.1111/j.1365-294X.2007.03668.x</doi><idGroup><id type="unit" value="MEC3668"></id></idGroup><countGroup><count type="pageTotal" number="11"></count></countGroup><titleGroup><title type="tocHeading1">ORIGINAL ARTICLES</title><title type="tocHeading2">Phylogeography, Speciation and Hybridization</title></titleGroup><copyright>© 2008 The Authors</copyright><eventGroup><event type="firstOnline" date="2008-02-21"></event><event type="publishedOnlineFinalForm" date="2008-02-21"></event><event type="xmlConverted" agent="Converter:BPG_TO_WML3G version:2.3.2 mode:FullText source:HeaderRef result:HeaderRef" date="2010-03-10"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:4.0.1" date="2014-03-20"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-10-31"></event></eventGroup><numberingGroup><numbering type="pageFirst" number="1293">1293</numbering><numbering type="pageLast" number="1303">1303</numbering></numberingGroup><correspondenceTo> Gail Ashton, Smithsonian Environmental Research Centre, 647 Contees Wharf Road, Edgewater, MD 21037–0028, USA. Fax: +1443 4822380; E‐mail: <email>ashtong@si.edu</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:MEC.MEC3668.pdf"></link></linkGroup></publicationMeta><contentMeta><unparsedEditorialHistory>Received 21 October 2007; revision accepted 3 December 2007</unparsedEditorialHistory><countGroup><count type="figureTotal" number="4"></count><count type="tableTotal" number="2"></count><count type="formulaTotal" number="0"></count><count type="referenceTotal" number="66"></count><count type="wordTotal" number="4884"></count></countGroup><titleGroup><title type="main">Mitochondrial DNA reveals multiple Northern Hemisphere introductions of <i>Caprella mutica</i> (Crustacea, Amphipoda)</title><title type="shortAuthors">G. V. ASHTON <i>ET AL.</i></title><title type="short">MULTIPLE INTRODUCTIONS OF <i>CAPRELLA MUTICA</i></title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" affiliationRef="#a1 #a2 #a3"><personName><givenNames>GAIL V.</givenNames><familyName>ASHTON</familyName></personName></creator><creator creatorRole="author" xml:id="cr2" affiliationRef="#a2 #a4"><personName><givenNames>MARK I.</givenNames><familyName>STEVENS</familyName></personName></creator><creator creatorRole="author" xml:id="cr3" affiliationRef="#a1"><personName><givenNames>MARK C.</givenNames><familyName>HART</familyName></personName></creator><creator creatorRole="author" xml:id="cr4" affiliationRef="#a1"><personName><givenNames>DAVID H.</givenNames><familyName>GREEN</familyName></personName></creator><creator creatorRole="author" xml:id="cr5" affiliationRef="#a1"><personName><givenNames>MICHAEL T.</givenNames><familyName>BURROWS</familyName></personName></creator><creator creatorRole="author" xml:id="cr6" affiliationRef="#a1"><personName><givenNames>ELIZABETH J.</givenNames><familyName>COOK</familyName></personName></creator><creator creatorRole="author" xml:id="cr7" affiliationRef="#a1"><personName><givenNames>KATE J.</givenNames><familyName>WILLIS</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="a1"><unparsedAffiliation>Scottish Association for Marine Science, Dunstaffnage Marine Laboratory, Oban, Argyll PA37 1QA, Scotland, UK,</unparsedAffiliation></affiliation><affiliation xml:id="a2" countryCode="NZ"><unparsedAffiliation>Allan Wilson Centre for Molecular Ecology and Evolution, Massey University, Private Bag 11–222, Palmerston North 4442, New Zealand,</unparsedAffiliation></affiliation><affiliation xml:id="a3"><unparsedAffiliation>Smithsonian Environmental Research Centre, 647 Contees Wharf Road, Edgewater, MD 21037–0028, USA,</unparsedAffiliation></affiliation><affiliation xml:id="a4" countryCode="AU"><unparsedAffiliation>School of Biological Sciences, Monash University, Clayton, Vic. 3800, Australia</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">biological invasions</keyword><keyword xml:id="k2">COI gene</keyword><keyword xml:id="k3">Crustacea</keyword><keyword xml:id="k4">marine non‐native species</keyword><keyword xml:id="k5">phylogeography</keyword><keyword xml:id="k6">population genetics</keyword></keywordGroup><supportingInformation><p><b>Table S1</b> The 60 variable nucleotide sites among the 38 <i>Caprella mutica</i> haplotypes. <i>Caprella mutica</i> haplotype 1 is used as a reference sequence</p><p><b>Table S2</b> Genetic distance based on sequence variation in the mtDNA COI sequences (563 aligned sites) among the 38 identified <i>Caprella mutica</i> haplotypes and two outgroup taxa (Cap1‐ <i>Caprella acanthogaster</i>; Cap2‐ <i>Caprella equilibra</i>)</p><p><b>Table S3</b> Sample number (<i>n</i>), haplotype diversity (<i>h</i>), and nucleotide diversity (&pgr;) for COI sequences of Caprella mutica. Site codes correspond to Table 1</p><p><b>Table S4</b> Pairwise comparisons of <i>F</i><sub>ST</sub> values for COI sequences of <i>Caprella mutica</i> from 15 sites in the native and non‐native range</p><p>This material is available as part of the online article from:</p><p><link href="http://www.blackwell-synergy.com/doi/abs/10.1111/j.1742-4658.2008.03668.x"> http://www.blackwell‐synergy.com/doi/abs/10.1111/j.1742‐4658.2008.03668.x</link></p><p>(This link will take you to the article abstract).</p><p>Please note: Blackwell Publishing are not responsible for the content or functionality of any supplementary materials supplied by the authors. Any queries (other than missing material) should be directed to the corresponding author for the article.</p><supportingInfoItem><mediaResource alt="supporting info item" href="urn-x:wiley:09621083:media:mec3668:MEC_3668_sm_SuppMat"></mediaResource><caption>Supporting info item</caption></supportingInfoItem></supportingInformation><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p> <i>Caprella mutica</i> (Crustacea, Amphipoda) has been widely introduced to non‐native regions in the last 40 years. Its native habitat is sub‐boreal northeast Asia, but in the Northern Hemisphere, it is now found on both coasts of North America, and North Atlantic coastlines of Europe. Direct sequencing of mitochondrial DNA (cytochrome <i>c</i> oxidase subunit I gene) was used to compare genetic variation in native and non‐native populations of <i>C. mutica</i>. These data were used to investigate the invasion history of <i>C. mutica</i> and to test potential source populations in Japan. High diversity (31 haplotypes from 49 individuals), but no phylogeographical structure, was identified in four populations in the putative native range. In contrast, non‐native populations showed reduced genetic diversity (7 haplotypes from 249 individuals) and informative phylogeographical structure. Grouping of <i>C. mutica</i> populations into native, east Pacific, and Atlantic groups explained the most among‐region variation (59%). This indicates independent introduction pathways for <i>C. mutica</i> to the Pacific and Atlantic coasts of North America. Two dominant haplotypes were identified in eastern and western Atlantic coastal populations, indicating several dispersal routes within the Atlantic. The analysis indicated that several introductions from multiple sources were likely to be responsible for the observed global distribution of <i>C. mutica</i>, but the pathways were least well defined among the Atlantic populations. The four sampled populations of <i>C. mutica</i> in Japan could not be identified as the direct source of the non‐native populations examined in this study. The high diversity within the Japan populations indicates that the native range needs to be assessed at a far greater scale, both within and among populations, to accurately assess the source of the global spread of <i>C. mutica</i>.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Mitochondrial DNA reveals multiple Northern Hemisphere introductions of Caprella mutica (Crustacea, Amphipoda)</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>MULTIPLE INTRODUCTIONS OF CAPRELLA MUTICA</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Mitochondrial DNA reveals multiple Northern Hemisphere introductions of Caprella mutica (Crustacea, Amphipoda)</title></titleInfo><name type="personal"><namePart type="given">GAIL V.</namePart><namePart type="family">ASHTON</namePart><affiliation>Scottish Association for Marine Science, Dunstaffnage Marine Laboratory, Oban, Argyll PA37 1QA, Scotland, UK,</affiliation><affiliation>Allan Wilson Centre for Molecular Ecology and Evolution, Massey University, Private Bag 11–222, Palmerston North 4442, New Zealand,</affiliation><affiliation>Smithsonian Environmental Research Centre, 647 Contees Wharf Road, Edgewater, MD 21037–0028, USA,</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">MARK I.</namePart><namePart type="family">STEVENS</namePart><affiliation>Allan Wilson Centre for Molecular Ecology and Evolution, Massey University, Private Bag 11–222, Palmerston North 4442, New Zealand,</affiliation><affiliation>School of Biological Sciences, Monash University, Clayton, Vic. 3800, Australia</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">MARK C.</namePart><namePart type="family">HART</namePart><affiliation>Scottish Association for Marine Science, Dunstaffnage Marine Laboratory, Oban, Argyll PA37 1QA, Scotland, UK,</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">DAVID H.</namePart><namePart type="family">GREEN</namePart><affiliation>Scottish Association for Marine Science, Dunstaffnage Marine Laboratory, Oban, Argyll PA37 1QA, Scotland, UK,</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">MICHAEL T.</namePart><namePart type="family">BURROWS</namePart><affiliation>Scottish Association for Marine Science, Dunstaffnage Marine Laboratory, Oban, Argyll PA37 1QA, Scotland, UK,</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">ELIZABETH J.</namePart><namePart type="family">COOK</namePart><affiliation>Scottish Association for Marine Science, Dunstaffnage Marine Laboratory, Oban, Argyll PA37 1QA, Scotland, UK,</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">KATE J.</namePart><namePart type="family">WILLIS</namePart><affiliation>Scottish Association for Marine Science, Dunstaffnage Marine Laboratory, Oban, Argyll PA37 1QA, Scotland, UK,</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><place><placeTerm type="text">Oxford, UK</placeTerm></place><dateIssued encoding="w3cdtf">2008-03</dateIssued><edition>Received 21 October 2007; revision accepted 3 December 2007</edition><copyrightDate encoding="w3cdtf">2008</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">4</extent><extent unit="tables">2</extent><extent unit="references">66</extent><extent unit="words">4884</extent></physicalDescription><abstract lang="en">Caprella mutica (Crustacea, Amphipoda) has been widely introduced to non‐native regions in the last 40 years. Its native habitat is sub‐boreal northeast Asia, but in the Northern Hemisphere, it is now found on both coasts of North America, and North Atlantic coastlines of Europe. Direct sequencing of mitochondrial DNA (cytochrome c oxidase subunit I gene) was used to compare genetic variation in native and non‐native populations of C. mutica. These data were used to investigate the invasion history of C. mutica and to test potential source populations in Japan. High diversity (31 haplotypes from 49 individuals), but no phylogeographical structure, was identified in four populations in the putative native range. In contrast, non‐native populations showed reduced genetic diversity (7 haplotypes from 249 individuals) and informative phylogeographical structure. Grouping of C. mutica populations into native, east Pacific, and Atlantic groups explained the most among‐region variation (59%). This indicates independent introduction pathways for C. mutica to the Pacific and Atlantic coasts of North America. Two dominant haplotypes were identified in eastern and western Atlantic coastal populations, indicating several dispersal routes within the Atlantic. The analysis indicated that several introductions from multiple sources were likely to be responsible for the observed global distribution of C. mutica, but the pathways were least well defined among the Atlantic populations. The four sampled populations of C. mutica in Japan could not be identified as the direct source of the non‐native populations examined in this study. The high diversity within the Japan populations indicates that the native range needs to be assessed at a far greater scale, both within and among populations, to accurately assess the source of the global spread of C. mutica.</abstract><subject lang="en"><genre>keywords</genre><topic>biological invasions</topic><topic>COI gene</topic><topic>Crustacea</topic><topic>marine non‐native species</topic><topic>phylogeography</topic><topic>population genetics</topic></subject><relatedItem type="host"><titleInfo><title>Molecular Ecology</title></titleInfo><genre type="journal">journal</genre><note type="content"> Table S1 The 60 variable nucleotide sites among the 38 Caprella mutica haplotypes. Caprella mutica haplotype 1 is used as a reference sequence Table S2 Genetic distance based on sequence variation in the mtDNA COI sequences (563 aligned sites) among the 38 identified Caprella mutica haplotypes and two outgroup taxa (Cap1‐ Caprella acanthogaster; Cap2‐ Caprella equilibra) Table S3 Sample number (n), haplotype diversity (h), and nucleotide diversity (&pgr;) for COI sequences of Caprella mutica. Site codes correspond to Table 1 Table S4 Pairwise comparisons of FST values for COI sequences of Caprella mutica from 15 sites in the native and non‐native range This material is available as part of the online article from: http://www.blackwell‐synergy.com/doi/abs/10.1111/j.1742‐4658.2008.03668.x (This link will take you to the article abstract). Please note: Blackwell Publishing are not responsible for the content or functionality of any supplementary materials supplied by the authors. Any queries (other than missing material) should be directed to the corresponding author for the article. Table S1 The 60 variable nucleotide sites among the 38 Caprella mutica haplotypes. Caprella mutica haplotype 1 is used as a reference sequence Table S2 Genetic distance based on sequence variation in the mtDNA COI sequences (563 aligned sites) among the 38 identified Caprella mutica haplotypes and two outgroup taxa (Cap1‐ Caprella acanthogaster; Cap2‐ Caprella equilibra) Table S3 Sample number (n), haplotype diversity (h), and nucleotide diversity (&pgr;) for COI sequences of Caprella mutica. Site codes correspond to Table 1 Table S4 Pairwise comparisons of FST values for COI sequences of Caprella mutica from 15 sites in the native and non‐native range This material is available as part of the online article from: http://www.blackwell‐synergy.com/doi/abs/10.1111/j.1742‐4658.2008.03668.x (This link will take you to the article abstract). Please note: Blackwell Publishing are not responsible for the content or functionality of any supplementary materials supplied by the authors. Any queries (other than missing material) should be directed to the corresponding author for the article. Table S1 The 60 variable nucleotide sites among the 38 Caprella mutica haplotypes. Caprella mutica haplotype 1 is used as a reference sequence Table S2 Genetic distance based on sequence variation in the mtDNA COI sequences (563 aligned sites) among the 38 identified Caprella mutica haplotypes and two outgroup taxa (Cap1‐ Caprella acanthogaster; Cap2‐ Caprella equilibra) Table S3 Sample number (n), haplotype diversity (h), and nucleotide diversity (&pgr;) for COI sequences of Caprella mutica. Site codes correspond to Table 1 Table S4 Pairwise comparisons of FST values for COI sequences of Caprella mutica from 15 sites in the native and non‐native range This material is available as part of the online article from: http://www.blackwell‐synergy.com/doi/abs/10.1111/j.1742‐4658.2008.03668.x (This link will take you to the article abstract). Please note: Blackwell Publishing are not responsible for the content or functionality of any supplementary materials supplied by the authors. Any queries (other than missing material) should be directed to the corresponding author for the article. Table S1 The 60 variable nucleotide sites among the 38 Caprella mutica haplotypes. Caprella mutica haplotype 1 is used as a reference sequence Table S2 Genetic distance based on sequence variation in the mtDNA COI sequences (563 aligned sites) among the 38 identified Caprella mutica haplotypes and two outgroup taxa (Cap1‐ Caprella acanthogaster; Cap2‐ Caprella equilibra) Table S3 Sample number (n), haplotype diversity (h), and nucleotide diversity (&pgr;) for COI sequences of Caprella mutica. Site codes correspond to Table 1 Table S4 Pairwise comparisons of FST values for COI sequences of Caprella mutica from 15 sites in the native and non‐native range This material is available as part of the online article from: http://www.blackwell‐synergy.com/doi/abs/10.1111/j.1742‐4658.2008.03668.x (This link will take you to the article abstract). Please note: Blackwell Publishing are not responsible for the content or functionality of any supplementary materials supplied by the authors. Any queries (other than missing material) should be directed to the corresponding author for the article. Table S1 The 60 variable nucleotide sites among the 38 Caprella mutica haplotypes. Caprella mutica haplotype 1 is used as a reference sequence Table S2 Genetic distance based on sequence variation in the mtDNA COI sequences (563 aligned sites) among the 38 identified Caprella mutica haplotypes and two outgroup taxa (Cap1‐ Caprella acanthogaster; Cap2‐ Caprella equilibra) Table S3 Sample number (n), haplotype diversity (h), and nucleotide diversity (&pgr;) for COI sequences of Caprella mutica. Site codes correspond to Table 1 Table S4 Pairwise comparisons of FST values for COI sequences of Caprella mutica from 15 sites in the native and non‐native range This material is available as part of the online article from: http://www.blackwell‐synergy.com/doi/abs/10.1111/j.1742‐4658.2008.03668.x (This link will take you to the article abstract). Please note: Blackwell Publishing are not responsible for the content or functionality of any supplementary materials supplied by the authors. Any queries (other than missing material) should be directed to the corresponding author for the article. Table S1 The 60 variable nucleotide sites among the 38 Caprella mutica haplotypes. Caprella mutica haplotype 1 is used as a reference sequence Table S2 Genetic distance based on sequence variation in the mtDNA COI sequences (563 aligned sites) among the 38 identified Caprella mutica haplotypes and two outgroup taxa (Cap1‐ Caprella acanthogaster; Cap2‐ Caprella equilibra) Table S3 Sample number (n), haplotype diversity (h), and nucleotide diversity (&pgr;) for COI sequences of Caprella mutica. Site codes correspond to Table 1 Table S4 Pairwise comparisons of FST values for COI sequences of Caprella mutica from 15 sites in the native and non‐native range This material is available as part of the online article from: http://www.blackwell‐synergy.com/doi/abs/10.1111/j.1742‐4658.2008.03668.x (This link will take you to the article abstract). Please note: Blackwell Publishing are not responsible for the content or functionality of any supplementary materials supplied by the authors. Any queries (other than missing material) should be directed to the corresponding author for the article. Table S1 The 60 variable nucleotide sites among the 38 Caprella mutica haplotypes. Caprella mutica haplotype 1 is used as a reference sequence Table S2 Genetic distance based on sequence variation in the mtDNA COI sequences (563 aligned sites) among the 38 identified Caprella mutica haplotypes and two outgroup taxa (Cap1‐ Caprella acanthogaster; Cap2‐ Caprella equilibra) Table S3 Sample number (n), haplotype diversity (h), and nucleotide diversity (&pgr;) for COI sequences of Caprella mutica. Site codes correspond to Table 1 Table S4 Pairwise comparisons of FST values for COI sequences of Caprella mutica from 15 sites in the native and non‐native range This material is available as part of the online article from: http://www.blackwell‐synergy.com/doi/abs/10.1111/j.1742‐4658.2008.03668.x (This link will take you to the article abstract). Please note: Blackwell Publishing are not responsible for the content or functionality of any supplementary materials supplied by the authors. Any queries (other than missing material) should be directed to the corresponding author for the article. Table S1 The 60 variable nucleotide sites among the 38 Caprella mutica haplotypes. Caprella mutica haplotype 1 is used as a reference sequence Table S2 Genetic distance based on sequence variation in the mtDNA COI sequences (563 aligned sites) among the 38 identified Caprella mutica haplotypes and two outgroup taxa (Cap1‐ Caprella acanthogaster; Cap2‐ Caprella equilibra) Table S3 Sample number (n), haplotype diversity (h), and nucleotide diversity (&pgr;) for COI sequences of Caprella mutica. Site codes correspond to Table 1 Table S4 Pairwise comparisons of FST values for COI sequences of Caprella mutica from 15 sites in the native and non‐native range This material is available as part of the online article from: http://www.blackwell‐synergy.com/doi/abs/10.1111/j.1742‐4658.2008.03668.x (This link will take you to the article abstract). Please note: Blackwell Publishing are not responsible for the content or functionality of any supplementary materials supplied by the authors. Any queries (other than missing material) should be directed to the corresponding author for the article.Supporting Info Item: Supporting info item - </note><identifier type="ISSN">0962-1083</identifier><identifier type="eISSN">1365-294X</identifier><identifier type="DOI">10.1111/(ISSN)1365-294X</identifier><identifier type="PublisherID">MEC</identifier><part><date>2008</date><detail type="volume"><caption>vol.</caption><number>17</number></detail><detail type="issue"><caption>no.</caption><number>5</number></detail><extent unit="pages"><start>1293</start><end>1303</end><total>11</total></extent></part></relatedItem><identifier type="istex">55F876A681778FC47B0CCEEAC7F623717666CC30</identifier><identifier type="DOI">10.1111/j.1365-294X.2007.03668.x</identifier><identifier type="ArticleID">MEC3668</identifier><accessCondition type="use and reproduction" contentType="copyright">© 2008 The Authors</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Blackwell Publishing Ltd</recordOrigin></recordInfo></mods></metadata><enrichments><json:item><type>multicat</type><uri>https://api.istex.fr/document/55F876A681778FC47B0CCEEAC7F623717666CC30/enrichments/multicat</uri></json:item></enrichments><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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