Foliar pathogens of Populus angustifolia are consistent with a hypothesis of Beringian migration into North America.
Identifieur interne : 002A81 ( Main/Exploration ); précédent : 002A80; suivant : 002A82Foliar pathogens of Populus angustifolia are consistent with a hypothesis of Beringian migration into North America.
Auteurs : Posy E. Busby [États-Unis] ; M Catherine Aime ; George NewcombeSource :
- Fungal biology [ 1878-6146 ] ; 2012.
Descripteurs français
- KwdFr :
- ADN fongique (composition chimique), ADN fongique (génétique), Amérique du Nord (MeSH), Analyse de séquence d'ADN (MeSH), Asie (MeSH), Champignons (classification), Champignons (génétique), Champignons (pathogénicité), Données de séquences moléculaires (MeSH), Feuilles de plante (microbiologie), Maladies des plantes (microbiologie), Phylogéographie (MeSH), Populus (microbiologie).
- MESH :
- composition chimique : ADN fongique, Champignons.
- génétique : ADN fongique, Champignons.
- microbiologie : Feuilles de plante, Maladies des plantes, Populus.
- pathogénicité : Champignons.
- Amérique du Nord, Analyse de séquence d'ADN, Asie, Données de séquences moléculaires, Phylogéographie.
English descriptors
- KwdEn :
- Asia (MeSH), DNA, Fungal (chemistry), DNA, Fungal (genetics), Fungi (classification), Fungi (genetics), Fungi (pathogenicity), Molecular Sequence Data (MeSH), North America (MeSH), Phylogeography (MeSH), Plant Diseases (microbiology), Plant Leaves (microbiology), Populus (microbiology), Sequence Analysis, DNA (MeSH).
- MESH :
- chemical , chemistry : DNA, Fungal.
- chemical , genetics : DNA, Fungal.
- geographic : Asia, North America.
- classification : Fungi.
- genetics : Fungi.
- microbiology : Plant Diseases, Plant Leaves, Populus.
- pathogenicity : Fungi.
- Molecular Sequence Data, Phylogeography, Sequence Analysis, DNA.
Abstract
Populus angustifolia, the narrowleaf cottonwood, is considered one of two native species of Populus section Tacamahaca restricted to western North America. Efforts to construct a definitive phylogeny of Populus spp. are complicated by ancient hybridization, but some phylogenetic analyses suggest P. angustifolia is more closely related to Asian congeners than to Populus trichocarpa, the other species of Populus section Tacamahaca in western North America. Because hosts and their obligate symbionts can display parallel phylogeographic patterns, we evaluated the possibility of a Beringian migration into North America by an Asian ancestor of P. angustifolia by determining the distributions, host preferences, and, in some cases, closest phylogenetic relatives of fungal leaf pathogens of P. angustifolia. Phyllactinia populi, a common foliar pathogen on Populus spp. in Asia but unknown on P. trichocarpa, was found on P. angustifolia in multiple sites. Mycosphaerella angustifoliorum, also unknown on P. trichocarpa, was commonly collected on P. angustifolia. Conversely, many common foliar pathogens of P. trichocarpa in western North America were not found on P. angustifolia; only Melampsora×columbiana and Drepanopeziza populi were common to both Populus species. Phylogenetic analyses revealed that M. angustifoliorum was not part of the diversification of Mycosphaerella on Populus that includes all other Mycosphaerella species on Populus in North America: Mycosphaerella populicola, Mycosphaerella populorum, M. sp. 1, and M. sp. 2. The latter two undescribed species represent a newly discovered diversification of M. populorum in western North America. Overall, the leaf pathogen community of P. angustifolia is consistent with a Beringian migration into North America by the ancestor of P. angustifolia.
DOI: 10.1016/j.funbio.2012.04.012
PubMed: 22749166
Affiliations:
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Busby</name><affiliation wicri:level="2"><nlm:affiliation>Stanford University, Department of Biology, Stanford, CA 94305, USA. busby@post.harvard.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Stanford University, Department of Biology, Stanford, CA 94305</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Aime, M Catherine" sort="Aime, M Catherine" uniqKey="Aime M" first="M Catherine" last="Aime">M Catherine Aime</name></author><author><name sortKey="Newcombe, George" sort="Newcombe, George" uniqKey="Newcombe G" first="George" last="Newcombe">George Newcombe</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2012">2012</date><idno type="RBID">pubmed:22749166</idno><idno type="pmid">22749166</idno><idno type="doi">10.1016/j.funbio.2012.04.012</idno><idno type="wicri:Area/Main/Corpus">002978</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002978</idno><idno type="wicri:Area/Main/Curation">002978</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">002978</idno><idno type="wicri:Area/Main/Exploration">002978</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Foliar pathogens of Populus angustifolia are consistent with a hypothesis of Beringian migration into North America.</title><author><name sortKey="Busby, Posy E" sort="Busby, Posy E" uniqKey="Busby P" first="Posy E" last="Busby">Posy E. Busby</name><affiliation wicri:level="2"><nlm:affiliation>Stanford University, Department of Biology, Stanford, CA 94305, USA. busby@post.harvard.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Stanford University, Department of Biology, Stanford, CA 94305</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Aime, M Catherine" sort="Aime, M Catherine" uniqKey="Aime M" first="M Catherine" last="Aime">M Catherine Aime</name></author><author><name sortKey="Newcombe, George" sort="Newcombe, George" uniqKey="Newcombe G" first="George" last="Newcombe">George Newcombe</name></author></analytic><series><title level="j">Fungal biology</title><idno type="ISSN">1878-6146</idno><imprint><date when="2012" type="published">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Asia (MeSH)</term><term>DNA, Fungal (chemistry)</term><term>DNA, Fungal (genetics)</term><term>Fungi (classification)</term><term>Fungi (genetics)</term><term>Fungi (pathogenicity)</term><term>Molecular Sequence Data (MeSH)</term><term>North America (MeSH)</term><term>Phylogeography (MeSH)</term><term>Plant Diseases (microbiology)</term><term>Plant Leaves (microbiology)</term><term>Populus (microbiology)</term><term>Sequence Analysis, DNA (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>ADN fongique (composition chimique)</term><term>ADN fongique (génétique)</term><term>Amérique du Nord (MeSH)</term><term>Analyse de séquence d'ADN (MeSH)</term><term>Asie (MeSH)</term><term>Champignons (classification)</term><term>Champignons (génétique)</term><term>Champignons (pathogénicité)</term><term>Données de séquences moléculaires (MeSH)</term><term>Feuilles de plante (microbiologie)</term><term>Maladies des plantes (microbiologie)</term><term>Phylogéographie (MeSH)</term><term>Populus (microbiologie)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>DNA, Fungal</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>DNA, Fungal</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Asia</term><term>North America</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Fungi</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>ADN fongique</term><term>Champignons</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Fungi</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>ADN fongique</term><term>Champignons</term></keywords><keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Feuilles de plante</term><term>Maladies des plantes</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Diseases</term><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="pathogenicity" xml:lang="en"><term>Fungi</term></keywords><keywords scheme="MESH" qualifier="pathogénicité" xml:lang="fr"><term>Champignons</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Molecular Sequence Data</term><term>Phylogeography</term><term>Sequence Analysis, DNA</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Amérique du Nord</term><term>Analyse de séquence d'ADN</term><term>Asie</term><term>Données de séquences moléculaires</term><term>Phylogéographie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Populus angustifolia, the narrowleaf cottonwood, is considered one of two native species of Populus section Tacamahaca restricted to western North America. Efforts to construct a definitive phylogeny of Populus spp. are complicated by ancient hybridization, but some phylogenetic analyses suggest P. angustifolia is more closely related to Asian congeners than to Populus trichocarpa, the other species of Populus section Tacamahaca in western North America. Because hosts and their obligate symbionts can display parallel phylogeographic patterns, we evaluated the possibility of a Beringian migration into North America by an Asian ancestor of P. angustifolia by determining the distributions, host preferences, and, in some cases, closest phylogenetic relatives of fungal leaf pathogens of P. angustifolia. Phyllactinia populi, a common foliar pathogen on Populus spp. in Asia but unknown on P. trichocarpa, was found on P. angustifolia in multiple sites. Mycosphaerella angustifoliorum, also unknown on P. trichocarpa, was commonly collected on P. angustifolia. Conversely, many common foliar pathogens of P. trichocarpa in western North America were not found on P. angustifolia; only Melampsora×columbiana and Drepanopeziza populi were common to both Populus species. Phylogenetic analyses revealed that M. angustifoliorum was not part of the diversification of Mycosphaerella on Populus that includes all other Mycosphaerella species on Populus in North America: Mycosphaerella populicola, Mycosphaerella populorum, M. sp. 1, and M. sp. 2. The latter two undescribed species represent a newly discovered diversification of M. populorum in western North America. Overall, the leaf pathogen community of P. angustifolia is consistent with a Beringian migration into North America by the ancestor of P. angustifolia.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22749166</PMID><DateCompleted><Year>2012</Year><Month>10</Month><Day>24</Day></DateCompleted><DateRevised><Year>2012</Year><Month>07</Month><Day>03</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">1878-6146</ISSN><JournalIssue CitedMedium="Internet"><Volume>116</Volume><Issue>7</Issue><PubDate><Year>2012</Year><Month>Jul</Month></PubDate></JournalIssue><Title>Fungal biology</Title><ISOAbbreviation>Fungal Biol</ISOAbbreviation></Journal><ArticleTitle>Foliar pathogens of Populus angustifolia are consistent with a hypothesis of Beringian migration into North America.</ArticleTitle><Pagination><MedlinePgn>792-801</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.funbio.2012.04.012</ELocationID><Abstract><AbstractText>Populus angustifolia, the narrowleaf cottonwood, is considered one of two native species of Populus section Tacamahaca restricted to western North America. Efforts to construct a definitive phylogeny of Populus spp. are complicated by ancient hybridization, but some phylogenetic analyses suggest P. angustifolia is more closely related to Asian congeners than to Populus trichocarpa, the other species of Populus section Tacamahaca in western North America. Because hosts and their obligate symbionts can display parallel phylogeographic patterns, we evaluated the possibility of a Beringian migration into North America by an Asian ancestor of P. angustifolia by determining the distributions, host preferences, and, in some cases, closest phylogenetic relatives of fungal leaf pathogens of P. angustifolia. Phyllactinia populi, a common foliar pathogen on Populus spp. in Asia but unknown on P. trichocarpa, was found on P. angustifolia in multiple sites. Mycosphaerella angustifoliorum, also unknown on P. trichocarpa, was commonly collected on P. angustifolia. Conversely, many common foliar pathogens of P. trichocarpa in western North America were not found on P. angustifolia; only Melampsora×columbiana and Drepanopeziza populi were common to both Populus species. Phylogenetic analyses revealed that M. angustifoliorum was not part of the diversification of Mycosphaerella on Populus that includes all other Mycosphaerella species on Populus in North America: Mycosphaerella populicola, Mycosphaerella populorum, M. sp. 1, and M. sp. 2. The latter two undescribed species represent a newly discovered diversification of M. populorum in western North America. Overall, the leaf pathogen community of P. angustifolia is consistent with a Beringian migration into North America by the ancestor of P. angustifolia.</AbstractText><CopyrightInformation>Copyright © 2012 The British Mycological Society. Published by Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Busby</LastName><ForeName>Posy E</ForeName><Initials>PE</Initials><AffiliationInfo><Affiliation>Stanford University, Department of Biology, Stanford, CA 94305, USA. busby@post.harvard.edu</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Aime</LastName><ForeName>M Catherine</ForeName><Initials>MC</Initials></Author><Author ValidYN="Y"><LastName>Newcombe</LastName><ForeName>George</ForeName><Initials>G</Initials></Author></AuthorList><Language>eng</Language><DataBankList 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