Temporal variation in mycorrhizal diversity and carbon and nitrogen stable isotope abundance in the wintergreen meadow orchid Anacamptis morio.
Identifieur interne : 001668 ( Main/Corpus ); précédent : 001667; suivant : 001669Temporal variation in mycorrhizal diversity and carbon and nitrogen stable isotope abundance in the wintergreen meadow orchid Anacamptis morio.
Auteurs : Enrico Ercole ; Martino Adamo ; Michele Rodda ; Gerhard Gebauer ; Mariangela Girlanda ; Silvia PerottoSource :
- The New phytologist [ 1469-8137 ] ; 2015.
English descriptors
- KwdEn :
- Autotrophic Processes (MeSH), Bayes Theorem (MeSH), Biodiversity (MeSH), Carbon Isotopes (MeSH), Grassland (MeSH), Molecular Sequence Data (MeSH), Mycorrhizae (physiology), Nitrogen Isotopes (MeSH), Orchidaceae (microbiology), Phylogeny (MeSH), Plant Leaves (metabolism), Symbiosis (MeSH), Time Factors (MeSH).
- MESH :
- chemical : Carbon Isotopes, Nitrogen Isotopes.
- metabolism : Plant Leaves.
- microbiology : Orchidaceae.
- physiology : Mycorrhizae.
- Autotrophic Processes, Bayes Theorem, Biodiversity, Grassland, Molecular Sequence Data, Phylogeny, Symbiosis, Time Factors.
Abstract
Many adult orchids, especially photoautotrophic species, associate with a diverse range of mycorrhizal fungi, but little is known about the temporal changes that might occur in the diversity and functioning of orchid mycorrhiza during vegetative and reproductive plant growth. Temporal variations in the spectrum of mycorrhizal fungi and in stable isotope natural abundance were investigated in adult plants of Anacamptis morio, a wintergreen meadow orchid. Anacamptis morio associated with mycorrhizal fungi belonging to Tulasnella, Ceratobasidium and a clade of Pezizaceae (Ascomycetes). When a complete growing season was investigated, multivariate analyses indicated significant differences in the mycorrhizal fungal community. Among fungi identified from manually isolated pelotons, Tulasnella was more common in autumn and winter, the pezizacean clade was very frequent in spring, and Ceratobasidium was more frequent in summer. By contrast, relatively small variations were found in carbon (C) and nitrogen (N) stable isotope natural abundance, A. morio samples showing similar (15)N enrichment and (13)C depletion at the different sampling times. These observations suggest that, irrespective of differences in the seasonal environmental conditions, the plant phenological stages and the associated fungi, the isotopic content in mycorrhizal A. morio remains fairly constant over time.
DOI: 10.1111/nph.13109
PubMed: 25382295
Links to Exploration step
pubmed:25382295Le document en format XML
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Mattioli 25, 10125, Torino, Italy.</nlm:affiliation></affiliation></author><author><name sortKey="Adamo, Martino" sort="Adamo, Martino" uniqKey="Adamo M" first="Martino" last="Adamo">Martino Adamo</name></author><author><name sortKey="Rodda, Michele" sort="Rodda, Michele" uniqKey="Rodda M" first="Michele" last="Rodda">Michele Rodda</name></author><author><name sortKey="Gebauer, Gerhard" sort="Gebauer, Gerhard" uniqKey="Gebauer G" first="Gerhard" last="Gebauer">Gerhard Gebauer</name></author><author><name sortKey="Girlanda, Mariangela" sort="Girlanda, Mariangela" uniqKey="Girlanda M" first="Mariangela" last="Girlanda">Mariangela Girlanda</name></author><author><name sortKey="Perotto, Silvia" sort="Perotto, Silvia" uniqKey="Perotto S" first="Silvia" last="Perotto">Silvia Perotto</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2015">2015</date><idno type="RBID">pubmed:25382295</idno><idno type="pmid">25382295</idno><idno type="doi">10.1111/nph.13109</idno><idno type="wicri:Area/Main/Corpus">001668</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">001668</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Temporal variation in mycorrhizal diversity and carbon and nitrogen stable isotope abundance in the wintergreen meadow orchid Anacamptis morio.</title><author><name sortKey="Ercole, Enrico" sort="Ercole, Enrico" uniqKey="Ercole E" first="Enrico" last="Ercole">Enrico Ercole</name><affiliation><nlm:affiliation>Department of Life Sciences and Systems Biology, University of Turin, Viale P.A. 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Temporal variations in the spectrum of mycorrhizal fungi and in stable isotope natural abundance were investigated in adult plants of Anacamptis morio, a wintergreen meadow orchid. Anacamptis morio associated with mycorrhizal fungi belonging to Tulasnella, Ceratobasidium and a clade of Pezizaceae (Ascomycetes). When a complete growing season was investigated, multivariate analyses indicated significant differences in the mycorrhizal fungal community. Among fungi identified from manually isolated pelotons, Tulasnella was more common in autumn and winter, the pezizacean clade was very frequent in spring, and Ceratobasidium was more frequent in summer. By contrast, relatively small variations were found in carbon (C) and nitrogen (N) stable isotope natural abundance, A. morio samples showing similar (15)N enrichment and (13)C depletion at the different sampling times. 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Temporal variations in the spectrum of mycorrhizal fungi and in stable isotope natural abundance were investigated in adult plants of Anacamptis morio, a wintergreen meadow orchid. Anacamptis morio associated with mycorrhizal fungi belonging to Tulasnella, Ceratobasidium and a clade of Pezizaceae (Ascomycetes). When a complete growing season was investigated, multivariate analyses indicated significant differences in the mycorrhizal fungal community. Among fungi identified from manually isolated pelotons, Tulasnella was more common in autumn and winter, the pezizacean clade was very frequent in spring, and Ceratobasidium was more frequent in summer. By contrast, relatively small variations were found in carbon (C) and nitrogen (N) stable isotope natural abundance, A. morio samples showing similar (15)N enrichment and (13)C depletion at the different sampling times. 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