Mycorrhizal specificity, preference, and plasticity of six slipper orchids from South Western China.
Identifieur interne : 002723 ( Main/Corpus ); précédent : 002722; suivant : 002724Mycorrhizal specificity, preference, and plasticity of six slipper orchids from South Western China.
Auteurs : Li Yuan ; Zhu L. Yang ; Shu-Yun Li ; Hong Hu ; Jia-Lin HuangSource :
- Mycorrhiza [ 1432-1890 ] ; 2010.
English descriptors
- KwdEn :
- China (MeSH), DNA, Ribosomal (genetics), DNA, Ribosomal Spacer (genetics), Ecosystem (MeSH), Molecular Sequence Data (MeSH), Mycorrhizae (classification), Mycorrhizae (genetics), Mycorrhizae (physiology), Orchidaceae (microbiology), Phylogeny (MeSH), Species Specificity (MeSH), Symbiosis (physiology).
- MESH :
- chemical , genetics : DNA, Ribosomal, DNA, Ribosomal Spacer.
- geographic : China.
- classification : Mycorrhizae.
- genetics : Mycorrhizae.
- microbiology : Orchidaceae.
- physiology : Mycorrhizae, Symbiosis.
- Ecosystem, Molecular Sequence Data, Phylogeny, Species Specificity.
Abstract
Mycorrhizal fungi of six endangered species, Paphiopedilum micranthum, Paphiopedilum armeniacum, Paphiopedilum dianthum, Cypripedium flavum, Cypripedium guttatum, and Cypripedium tibeticum, from two closely related genera in the Orchidaceae from Southwestern China, were characterized using the nuclear internal transcribed spacer (ITS) and part of the large subunit gene of mitochondrial rDNA (mtLSU) sequences. The most frequently detected fungi belonged to the Tulasnellaceae. These fungi were represented by 25 ITS sequence types and clustered into seven major clades in the phylogenetic analysis of 5.8S sequences. Species of Paphiopedilum and Cypripedium shared no fungal ITS sequence types in common, but their fungal taxa sometimes occurred in the same major clade of the 5.8S phylogenetic tree. Although it had several associated fungal ITS sequence types in a studied plot, each orchid species had in general only a single dominant type. The fungal sequence type spectra of different species of Paphiopedilum from similar habitats sometimes overlapped; however, the dominant sequence types differed among the species and so did the sequence-type spectra within Cypripedium. Orchids of P. micranthum and P. armeniacum transplanted from the field and grown in two greenhouses had a greater number of mycorrhizal associations than those sampled directly from the field. Root specimens from P. micranthum taken from the greenhouses were preferably associated with mycobionts of the Tulasnella calospora complex, while those from the field had mycorrhizal associations of other tulasnelloid taxa. Such plasticity in mycorrhizal associations makes ex situ conservation or even propagation by means of mycorrhization of axenically grown seedlings possible.
DOI: 10.1007/s00572-010-0307-5
PubMed: 20217434
Links to Exploration step
pubmed:20217434Le document en format XML
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Yang</name></author><author><name sortKey="Li, Shu Yun" sort="Li, Shu Yun" uniqKey="Li S" first="Shu-Yun" last="Li">Shu-Yun Li</name></author><author><name sortKey="Hu, Hong" sort="Hu, Hong" uniqKey="Hu H" first="Hong" last="Hu">Hong Hu</name></author><author><name sortKey="Huang, Jia Lin" sort="Huang, Jia Lin" uniqKey="Huang J" first="Jia-Lin" last="Huang">Jia-Lin Huang</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2010">2010</date><idno type="RBID">pubmed:20217434</idno><idno type="pmid">20217434</idno><idno type="doi">10.1007/s00572-010-0307-5</idno><idno type="wicri:Area/Main/Corpus">002723</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002723</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Mycorrhizal specificity, preference, and plasticity of six slipper orchids from South Western China.</title><author><name sortKey="Yuan, Li" sort="Yuan, Li" uniqKey="Yuan L" first="Li" last="Yuan">Li Yuan</name><affiliation><nlm:affiliation>Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650204, China.</nlm:affiliation></affiliation></author><author><name sortKey="Yang, Zhu L" sort="Yang, Zhu L" uniqKey="Yang Z" first="Zhu L" last="Yang">Zhu L. Yang</name></author><author><name sortKey="Li, Shu Yun" sort="Li, Shu Yun" uniqKey="Li S" first="Shu-Yun" last="Li">Shu-Yun Li</name></author><author><name sortKey="Hu, Hong" sort="Hu, Hong" uniqKey="Hu H" first="Hong" last="Hu">Hong Hu</name></author><author><name sortKey="Huang, Jia Lin" sort="Huang, Jia Lin" uniqKey="Huang J" first="Jia-Lin" last="Huang">Jia-Lin Huang</name></author></analytic><series><title level="j">Mycorrhiza</title><idno type="eISSN">1432-1890</idno><imprint><date when="2010" type="published">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>China (MeSH)</term><term>DNA, Ribosomal (genetics)</term><term>DNA, Ribosomal Spacer (genetics)</term><term>Ecosystem (MeSH)</term><term>Molecular Sequence Data (MeSH)</term><term>Mycorrhizae (classification)</term><term>Mycorrhizae (genetics)</term><term>Mycorrhizae (physiology)</term><term>Orchidaceae (microbiology)</term><term>Phylogeny (MeSH)</term><term>Species Specificity (MeSH)</term><term>Symbiosis (physiology)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>DNA, Ribosomal</term><term>DNA, Ribosomal Spacer</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>China</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Mycorrhizae</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><term>Symbiosis</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Ecosystem</term><term>Molecular Sequence Data</term><term>Phylogeny</term><term>Species Specificity</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Mycorrhizal fungi of six endangered species, Paphiopedilum micranthum, Paphiopedilum armeniacum, Paphiopedilum dianthum, Cypripedium flavum, Cypripedium guttatum, and Cypripedium tibeticum, from two closely related genera in the Orchidaceae from Southwestern China, were characterized using the nuclear internal transcribed spacer (ITS) and part of the large subunit gene of mitochondrial rDNA (mtLSU) sequences. The most frequently detected fungi belonged to the Tulasnellaceae. These fungi were represented by 25 ITS sequence types and clustered into seven major clades in the phylogenetic analysis of 5.8S sequences. Species of Paphiopedilum and Cypripedium shared no fungal ITS sequence types in common, but their fungal taxa sometimes occurred in the same major clade of the 5.8S phylogenetic tree. Although it had several associated fungal ITS sequence types in a studied plot, each orchid species had in general only a single dominant type. The fungal sequence type spectra of different species of Paphiopedilum from similar habitats sometimes overlapped; however, the dominant sequence types differed among the species and so did the sequence-type spectra within Cypripedium. Orchids of P. micranthum and P. armeniacum transplanted from the field and grown in two greenhouses had a greater number of mycorrhizal associations than those sampled directly from the field. Root specimens from P. micranthum taken from the greenhouses were preferably associated with mycobionts of the Tulasnella calospora complex, while those from the field had mycorrhizal associations of other tulasnelloid taxa. Such plasticity in mycorrhizal associations makes ex situ conservation or even propagation by means of mycorrhization of axenically grown seedlings possible.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">20217434</PMID><DateCompleted><Year>2011</Year><Month>04</Month><Day>04</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1432-1890</ISSN><JournalIssue CitedMedium="Internet"><Volume>20</Volume><Issue>8</Issue><PubDate><Year>2010</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Mycorrhiza</Title><ISOAbbreviation>Mycorrhiza</ISOAbbreviation></Journal><ArticleTitle>Mycorrhizal specificity, preference, and plasticity of six slipper orchids from South Western China.</ArticleTitle><Pagination><MedlinePgn>559-68</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00572-010-0307-5</ELocationID><Abstract><AbstractText>Mycorrhizal fungi of six endangered species, Paphiopedilum micranthum, Paphiopedilum armeniacum, Paphiopedilum dianthum, Cypripedium flavum, Cypripedium guttatum, and Cypripedium tibeticum, from two closely related genera in the Orchidaceae from Southwestern China, were characterized using the nuclear internal transcribed spacer (ITS) and part of the large subunit gene of mitochondrial rDNA (mtLSU) sequences. The most frequently detected fungi belonged to the Tulasnellaceae. These fungi were represented by 25 ITS sequence types and clustered into seven major clades in the phylogenetic analysis of 5.8S sequences. Species of Paphiopedilum and Cypripedium shared no fungal ITS sequence types in common, but their fungal taxa sometimes occurred in the same major clade of the 5.8S phylogenetic tree. Although it had several associated fungal ITS sequence types in a studied plot, each orchid species had in general only a single dominant type. The fungal sequence type spectra of different species of Paphiopedilum from similar habitats sometimes overlapped; however, the dominant sequence types differed among the species and so did the sequence-type spectra within Cypripedium. Orchids of P. micranthum and P. armeniacum transplanted from the field and grown in two greenhouses had a greater number of mycorrhizal associations than those sampled directly from the field. Root specimens from P. micranthum taken from the greenhouses were preferably associated with mycobionts of the Tulasnella calospora complex, while those from the field had mycorrhizal associations of other tulasnelloid taxa. 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