The evolutionary history of mycorrhizal specificity among lady's slipper orchids.
Identifieur interne : 002F26 ( Main/Corpus ); précédent : 002F25; suivant : 002F27The evolutionary history of mycorrhizal specificity among lady's slipper orchids.
Auteurs : Richard P. Shefferson ; D Lee Taylor ; Michael Weiss ; Sigisfredo Garnica ; Melissa K. Mccormick ; Seth Adams ; Hope M. Gray ; Jack W. Mcfarland ; Tiiu Kull ; Kadri Tali ; Tomohisa Yukawa ; Takayuki Kawahara ; Kazumitsu Miyoshi ; Yung-I LeeSource :
- Evolution; international journal of organic evolution [ 0014-3820 ] ; 2007.
English descriptors
- KwdEn :
- MESH :
- classification : Mycorrhizae, Orchidaceae.
- genetics : Orchidaceae.
- microbiology : Orchidaceae.
- physiology : Mycorrhizae.
- Biological Evolution, Geography, Phylogeny, Species Specificity.
Abstract
Although coevolution is acknowledged to occur in nature, coevolutionary patterns in symbioses not involving species-to-species relationships are poorly understood. Mycorrhizal plants are thought to be too generalist to coevolve with their symbiotic fungi; yet some plants, including some orchids, exhibit strikingly narrow mycorrhizal specificity. Here, we assess the evolutionary history of mycorrhizal specificity in the lady's slipper orchid genus, Cypripedium. We sampled 90 populations of 15 taxa across three continents, using DNA methods to identify fungal symbionts and quantify mycorrhizal specificity. We assessed phylogenetic relationships among sampled Cypripedium taxa, onto which we mapped mycorrhizal specificity. Cypripedium taxa associated almost exclusively with fungi within family Tulasnellaceae. Ancestral specificity appears to have been narrow, followed by a broadening after the divergence of C. debile. Specificity then narrowed, resulting in strikingly narrow specificity in most of the taxa in this study, with no taxon rewidening to the same extant as basal members of the genus. Sympatric taxa generally associated with different sets of fungi, and most clades of Cypripedium-mycorrhizal fungi were found throughout much of the northern hemisphere, suggesting that these evolutionary patterns in specificity are not the result of biogeographic lack of opportunity to associate with potential partners. Mycorrhizal specificity in genus Cypripedium appears to be an evolvable trait, and associations with particular fungi are phylogenetically conserved.
DOI: 10.1111/j.1558-5646.2007.00112.x
PubMed: 17542847
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pubmed:17542847Le document en format XML
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Shefferson</name><affiliation><nlm:affiliation>Forestry and Forest Products Research Institute, Tsukuba, Ibaraki, Japan. dormancy@gmail.com</nlm:affiliation></affiliation></author><author><name sortKey="Taylor, D Lee" sort="Taylor, D Lee" uniqKey="Taylor D" first="D Lee" last="Taylor">D Lee Taylor</name></author><author><name sortKey="Weiss, Michael" sort="Weiss, Michael" uniqKey="Weiss M" first="Michael" last="Weiss">Michael Weiss</name></author><author><name sortKey="Garnica, Sigisfredo" sort="Garnica, Sigisfredo" uniqKey="Garnica S" first="Sigisfredo" last="Garnica">Sigisfredo Garnica</name></author><author><name sortKey="Mccormick, Melissa K" sort="Mccormick, Melissa K" uniqKey="Mccormick M" first="Melissa K" last="Mccormick">Melissa K. 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Shefferson</name><affiliation><nlm:affiliation>Forestry and Forest Products Research Institute, Tsukuba, Ibaraki, Japan. dormancy@gmail.com</nlm:affiliation></affiliation></author><author><name sortKey="Taylor, D Lee" sort="Taylor, D Lee" uniqKey="Taylor D" first="D Lee" last="Taylor">D Lee Taylor</name></author><author><name sortKey="Weiss, Michael" sort="Weiss, Michael" uniqKey="Weiss M" first="Michael" last="Weiss">Michael Weiss</name></author><author><name sortKey="Garnica, Sigisfredo" sort="Garnica, Sigisfredo" uniqKey="Garnica S" first="Sigisfredo" last="Garnica">Sigisfredo Garnica</name></author><author><name sortKey="Mccormick, Melissa K" sort="Mccormick, Melissa K" uniqKey="Mccormick M" first="Melissa K" last="Mccormick">Melissa K. Mccormick</name></author><author><name sortKey="Adams, Seth" sort="Adams, Seth" uniqKey="Adams S" first="Seth" last="Adams">Seth Adams</name></author><author><name sortKey="Gray, Hope M" sort="Gray, Hope M" uniqKey="Gray H" first="Hope M" last="Gray">Hope M. Gray</name></author><author><name sortKey="Mcfarland, Jack W" sort="Mcfarland, Jack W" uniqKey="Mcfarland J" first="Jack W" last="Mcfarland">Jack W. Mcfarland</name></author><author><name sortKey="Kull, Tiiu" sort="Kull, Tiiu" uniqKey="Kull T" first="Tiiu" last="Kull">Tiiu Kull</name></author><author><name sortKey="Tali, Kadri" sort="Tali, Kadri" uniqKey="Tali K" first="Kadri" last="Tali">Kadri Tali</name></author><author><name sortKey="Yukawa, Tomohisa" sort="Yukawa, Tomohisa" uniqKey="Yukawa T" first="Tomohisa" last="Yukawa">Tomohisa Yukawa</name></author><author><name sortKey="Kawahara, Takayuki" sort="Kawahara, Takayuki" uniqKey="Kawahara T" first="Takayuki" last="Kawahara">Takayuki Kawahara</name></author><author><name sortKey="Miyoshi, Kazumitsu" sort="Miyoshi, Kazumitsu" uniqKey="Miyoshi K" first="Kazumitsu" last="Miyoshi">Kazumitsu Miyoshi</name></author><author><name sortKey="Lee, Yung I" sort="Lee, Yung I" uniqKey="Lee Y" first="Yung-I" last="Lee">Yung-I Lee</name></author></analytic><series><title level="j">Evolution; international journal of organic evolution</title><idno type="ISSN">0014-3820</idno><imprint><date when="2007" type="published">2007</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biological Evolution (MeSH)</term><term>Geography (MeSH)</term><term>Mycorrhizae (classification)</term><term>Mycorrhizae (physiology)</term><term>Orchidaceae (classification)</term><term>Orchidaceae (genetics)</term><term>Orchidaceae (microbiology)</term><term>Phylogeny (MeSH)</term><term>Species Specificity (MeSH)</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Mycorrhizae</term><term>Orchidaceae</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Orchidaceae</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Orchidaceae</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biological Evolution</term><term>Geography</term><term>Phylogeny</term><term>Species Specificity</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Although coevolution is acknowledged to occur in nature, coevolutionary patterns in symbioses not involving species-to-species relationships are poorly understood. Mycorrhizal plants are thought to be too generalist to coevolve with their symbiotic fungi; yet some plants, including some orchids, exhibit strikingly narrow mycorrhizal specificity. Here, we assess the evolutionary history of mycorrhizal specificity in the lady's slipper orchid genus, Cypripedium. We sampled 90 populations of 15 taxa across three continents, using DNA methods to identify fungal symbionts and quantify mycorrhizal specificity. We assessed phylogenetic relationships among sampled Cypripedium taxa, onto which we mapped mycorrhizal specificity. Cypripedium taxa associated almost exclusively with fungi within family Tulasnellaceae. Ancestral specificity appears to have been narrow, followed by a broadening after the divergence of C. debile. Specificity then narrowed, resulting in strikingly narrow specificity in most of the taxa in this study, with no taxon rewidening to the same extant as basal members of the genus. Sympatric taxa generally associated with different sets of fungi, and most clades of Cypripedium-mycorrhizal fungi were found throughout much of the northern hemisphere, suggesting that these evolutionary patterns in specificity are not the result of biogeographic lack of opportunity to associate with potential partners. Mycorrhizal specificity in genus Cypripedium appears to be an evolvable trait, and associations with particular fungi are phylogenetically conserved.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">17542847</PMID><DateCompleted><Year>2007</Year><Month>07</Month><Day>31</Day></DateCompleted><DateRevised><Year>2010</Year><Month>11</Month><Day>18</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0014-3820</ISSN><JournalIssue CitedMedium="Print"><Volume>61</Volume><Issue>6</Issue><PubDate><Year>2007</Year><Month>Jun</Month></PubDate></JournalIssue><Title>Evolution; international journal of organic evolution</Title><ISOAbbreviation>Evolution</ISOAbbreviation></Journal><ArticleTitle>The evolutionary history of mycorrhizal specificity among lady's slipper orchids.</ArticleTitle><Pagination><MedlinePgn>1380-90</MedlinePgn></Pagination><Abstract><AbstractText>Although coevolution is acknowledged to occur in nature, coevolutionary patterns in symbioses not involving species-to-species relationships are poorly understood. Mycorrhizal plants are thought to be too generalist to coevolve with their symbiotic fungi; yet some plants, including some orchids, exhibit strikingly narrow mycorrhizal specificity. Here, we assess the evolutionary history of mycorrhizal specificity in the lady's slipper orchid genus, Cypripedium. We sampled 90 populations of 15 taxa across three continents, using DNA methods to identify fungal symbionts and quantify mycorrhizal specificity. We assessed phylogenetic relationships among sampled Cypripedium taxa, onto which we mapped mycorrhizal specificity. Cypripedium taxa associated almost exclusively with fungi within family Tulasnellaceae. Ancestral specificity appears to have been narrow, followed by a broadening after the divergence of C. debile. Specificity then narrowed, resulting in strikingly narrow specificity in most of the taxa in this study, with no taxon rewidening to the same extant as basal members of the genus. Sympatric taxa generally associated with different sets of fungi, and most clades of Cypripedium-mycorrhizal fungi were found throughout much of the northern hemisphere, suggesting that these evolutionary patterns in specificity are not the result of biogeographic lack of opportunity to associate with potential partners. Mycorrhizal specificity in genus Cypripedium appears to be an evolvable trait, and associations with particular fungi are phylogenetically conserved.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Shefferson</LastName><ForeName>Richard P</ForeName><Initials>RP</Initials><AffiliationInfo><Affiliation>Forestry and Forest Products Research Institute, Tsukuba, Ibaraki, Japan. dormancy@gmail.com</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Taylor</LastName><ForeName>D Lee</ForeName><Initials>DL</Initials></Author><Author ValidYN="Y"><LastName>Weiss</LastName><ForeName>Michael</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Garnica</LastName><ForeName>Sigisfredo</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>McCormick</LastName><ForeName>Melissa K</ForeName><Initials>MK</Initials></Author><Author ValidYN="Y"><LastName>Adams</LastName><ForeName>Seth</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Gray</LastName><ForeName>Hope M</ForeName><Initials>HM</Initials></Author><Author ValidYN="Y"><LastName>McFarland</LastName><ForeName>Jack W</ForeName><Initials>JW</Initials></Author><Author ValidYN="Y"><LastName>Kull</LastName><ForeName>Tiiu</ForeName><Initials>T</Initials></Author><Author ValidYN="Y"><LastName>Tali</LastName><ForeName>Kadri</ForeName><Initials>K</Initials></Author><Author ValidYN="Y"><LastName>Yukawa</LastName><ForeName>Tomohisa</ForeName><Initials>T</Initials></Author><Author ValidYN="Y"><LastName>Kawahara</LastName><ForeName>Takayuki</ForeName><Initials>T</Initials></Author><Author ValidYN="Y"><LastName>Miyoshi</LastName><ForeName>Kazumitsu</ForeName><Initials>K</Initials></Author><Author ValidYN="Y"><LastName>Lee</LastName><ForeName>Yung-I</ForeName><Initials>YI</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Evolution</MedlineTA><NlmUniqueID>0373224</NlmUniqueID><ISSNLinking>0014-3820</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D005075" MajorTopicYN="Y">Biological Evolution</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005843" MajorTopicYN="N">Geography</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000145" MajorTopicYN="N">classification</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D029595" MajorTopicYN="N">Orchidaceae</DescriptorName><QualifierName UI="Q000145" MajorTopicYN="N">classification</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010802" MajorTopicYN="N">Phylogeny</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013045" MajorTopicYN="N">Species Specificity</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2007</Year><Month>6</Month><Day>5</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2007</Year><Month>8</Month><Day>1</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2007</Year><Month>6</Month><Day>5</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">17542847</ArticleId><ArticleId IdType="pii">EVO112</ArticleId><ArticleId IdType="doi">10.1111/j.1558-5646.2007.00112.x</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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