Tricholoma matsutake Dominates Diverse Microbial Communities in Different Forest Soils▿†
Identifieur interne : 000101 ( Ncbi/Curation ); précédent : 000100; suivant : 000102Tricholoma matsutake Dominates Diverse Microbial Communities in Different Forest Soils▿†
Auteurs : Lu-Min Vaario [Finlande] ; Hannu Fritze [Finlande] ; Peter Spetz [Finlande] ; Jussi Heinonsalo [Finlande] ; Peter Hanajík [Finlande] ; Taina Pennanen [Finlande]Source :
- Applied and Environmental Microbiology [ 0099-2240 ] ; 2011.
Abstract
Fungal and actinobacterial communities were analyzed together with soil chemistry and enzyme activities in order to profile the microbial diversity associated with the economically important mushroom
Url:
DOI: 10.1128/AEM.05839-11
PubMed: 21984247
PubMed Central: 3233081
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PMC:3233081Le document en format XML
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Dominates Diverse Microbial Communities in Different Forest Soils<xref ref-type="fn" rid="FN3"><sup>▿</sup>
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<xref ref-type="fn" rid="FN2">†</xref>
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Dominates Diverse Microbial Communities in Different Forest Soils<xref ref-type="fn" rid="FN3"><sup>▿</sup>
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<author><name sortKey="Vaario, Lu Min" sort="Vaario, Lu Min" uniqKey="Vaario L" first="Lu-Min" last="Vaario">Lu-Min Vaario</name>
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<author><name sortKey="Fritze, Hannu" sort="Fritze, Hannu" uniqKey="Fritze H" first="Hannu" last="Fritze">Hannu Fritze</name>
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<author><name sortKey="Heinonsalo, Jussi" sort="Heinonsalo, Jussi" uniqKey="Heinonsalo J" first="Jussi" last="Heinonsalo">Jussi Heinonsalo</name>
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<series><title level="j">Applied and Environmental Microbiology</title>
<idno type="ISSN">0099-2240</idno>
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<imprint><date when="2011">2011</date>
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<front><div type="abstract" xml:lang="en"><p>Fungal and actinobacterial communities were analyzed together with soil chemistry and enzyme activities in order to profile the microbial diversity associated with the economically important mushroom <named-content content-type="genus-species">Tricholoma matsutake</named-content>
. Samples of mycelium-soil aggregation (shiro) were collected from three experimental sites where sporocarps naturally formed. PCR was used to confirm the presence and absence of matsutake in soil samples. PCR-denaturing gradient gel electrophoresis (DGGE) fingerprinting and direct sequencing were used to identify fungi and actinobacteria in the mineral and organic soil layers separately. Soil enzyme activities and hemicellulotic carbohydrates were analyzed in a productive experimental site. Soil chemistry was investigated in both organic and mineral soil layers at all three experimental sites. Matsutake dominated in the shiro but also coexisted with a high diversity of fungi and actinobacteria. <named-content content-type="genus-species">Tomentollopsis</named-content>
sp. in the organic layer above the shiro and <named-content content-type="genus-species">Piloderma</named-content>
sp. in the shiro correlated positively with the presence of <named-content content-type="genus-species">T. matsutake</named-content>
in all experimental sites. A <named-content content-type="genus-species">Thermomonosporaceae</named-content>
bacterium and <named-content content-type="genus-species">Nocardia</named-content>
sp. correlated positively with the presence of <named-content content-type="genus-species">T. matsutake</named-content>
, and <named-content content-type="genus-species">Streptomyces</named-content>
sp. was a common cohabitant in the shiro, although these operational taxonomic units (OTUs) did not occur at all sites. Significantly higher enzyme activity levels were detected in shiro soil. These enzymes are involved in the mobilization of carbon from organic matter decomposition. Matsutake was not associated with a particular soil chemistry compared to that of nearby sites where the fungus does not occur. The presence of a significant hemicellulose pool and the enzymes to degrade it indicates the potential for obtaining carbon from the soil rather than tree roots.</p>
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