Influence of host species on ectomycorrhizal communities associated with two co-occurring oaks (Quercus spp.) in a tropical cloud forest.
Identifieur interne : 002983 ( Main/Exploration ); précédent : 002982; suivant : 002984Influence of host species on ectomycorrhizal communities associated with two co-occurring oaks (Quercus spp.) in a tropical cloud forest.
Auteurs : Melissa H. Morris [États-Unis] ; Miguel A. Pérez-Pérez ; Matthew E. Smith ; Caroline S. BledsoeSource :
- FEMS microbiology ecology [ 1574-6941 ] ; 2009.
Descripteurs français
- KwdFr :
- ADN fongique (génétique), ARN ribosomique 28S (génétique), Analyse de séquence d'ADN (MeSH), Arbres (microbiologie), Biodiversité (MeSH), Climat tropical (MeSH), Espaceur de l'ADN ribosomique (génétique), Microbiologie du sol (MeSH), Mycorhizes (classification), Mycorhizes (génétique), Polymorphisme de restriction (MeSH), Quercus (microbiologie), Racines de plante (microbiologie), Sol (analyse), Spécificité d'espèce (MeSH).
- MESH :
- analyse : Sol.
- génétique : ADN fongique, ARN ribosomique 28S, Espaceur de l'ADN ribosomique, Mycorhizes.
- microbiologie : Arbres, Quercus, Racines de plante.
- Analyse de séquence d'ADN, Biodiversité, Climat tropical, Microbiologie du sol, Polymorphisme de restriction, Spécificité d'espèce.
English descriptors
- KwdEn :
- Biodiversity (MeSH), DNA, Fungal (genetics), DNA, Ribosomal Spacer (genetics), Mycorrhizae (classification), Mycorrhizae (genetics), Plant Roots (microbiology), Polymorphism, Restriction Fragment Length (MeSH), Quercus (microbiology), RNA, Ribosomal, 28S (genetics), Sequence Analysis, DNA (MeSH), Soil (analysis), Soil Microbiology (MeSH), Species Specificity (MeSH), Trees (microbiology), Tropical Climate (MeSH).
- MESH :
- chemical , analysis : Soil.
- chemical , genetics : DNA, Fungal, DNA, Ribosomal Spacer, RNA, Ribosomal, 28S.
- classification : Mycorrhizae.
- genetics : Mycorrhizae.
- microbiology : Plant Roots, Quercus, Trees.
- Biodiversity, Polymorphism, Restriction Fragment Length, Sequence Analysis, DNA, Soil Microbiology, Species Specificity, Tropical Climate.
Abstract
Interactions between host tree species and ectomycorrhizal fungi are important in structuring ectomycorrhizal communities, but there are only a few studies on host influence of congeneric trees. We investigated ectomycorrhizal community assemblages on roots of deciduous Quercus crassifolia and evergreen Quercus laurina in a tropical montane cloud forest, one of the most endangered tropical forest ecosystems. Ectomycorrhizal fungi were identified by sequencing internal transcribed spacer and partial 28S rRNA gene. We sampled 80 soil cores and documented high ectomycorrhizal diversity with a total of 154 taxa. Canonical correspondence analysis indicated that oak host was significant in explaining some of the variation in ectomycorrhizal communities, despite the fact that the two Quercus species belong to the same red oak lineage (section Lobatae). A Tuber species, found in 23% of the soil cores, was the most frequent taxon. Similar to oak-dominated ectomycorrhizal communities in temperate forests, Thelephoraceae, Russulaceae and Sebacinales were diverse and dominant.
DOI: 10.1111/j.1574-6941.2009.00704.x
PubMed: 19508503
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<author><name sortKey="Perez Perez, Miguel A" sort="Perez Perez, Miguel A" uniqKey="Perez Perez M" first="Miguel A" last="Pérez-Pérez">Miguel A. Pérez-Pérez</name>
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<term>Mycorrhizae (genetics)</term>
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<term>Polymorphism, Restriction Fragment Length (MeSH)</term>
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<term>RNA, Ribosomal, 28S (genetics)</term>
<term>Sequence Analysis, DNA (MeSH)</term>
<term>Soil (analysis)</term>
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<term>ARN ribosomique 28S (génétique)</term>
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<term>Arbres (microbiologie)</term>
<term>Biodiversité (MeSH)</term>
<term>Climat tropical (MeSH)</term>
<term>Espaceur de l'ADN ribosomique (génétique)</term>
<term>Microbiologie du sol (MeSH)</term>
<term>Mycorhizes (classification)</term>
<term>Mycorhizes (génétique)</term>
<term>Polymorphisme de restriction (MeSH)</term>
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<term>Polymorphism, Restriction Fragment Length</term>
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<term>Species Specificity</term>
<term>Tropical Climate</term>
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<keywords scheme="MESH" xml:lang="fr"><term>Analyse de séquence d'ADN</term>
<term>Biodiversité</term>
<term>Climat tropical</term>
<term>Microbiologie du sol</term>
<term>Polymorphisme de restriction</term>
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<front><div type="abstract" xml:lang="en">Interactions between host tree species and ectomycorrhizal fungi are important in structuring ectomycorrhizal communities, but there are only a few studies on host influence of congeneric trees. We investigated ectomycorrhizal community assemblages on roots of deciduous Quercus crassifolia and evergreen Quercus laurina in a tropical montane cloud forest, one of the most endangered tropical forest ecosystems. Ectomycorrhizal fungi were identified by sequencing internal transcribed spacer and partial 28S rRNA gene. We sampled 80 soil cores and documented high ectomycorrhizal diversity with a total of 154 taxa. Canonical correspondence analysis indicated that oak host was significant in explaining some of the variation in ectomycorrhizal communities, despite the fact that the two Quercus species belong to the same red oak lineage (section Lobatae). A Tuber species, found in 23% of the soil cores, was the most frequent taxon. Similar to oak-dominated ectomycorrhizal communities in temperate forests, Thelephoraceae, Russulaceae and Sebacinales were diverse and dominant.</div>
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