Potential link between plant and fungal distributions in a dipterocarp rainforest : community and phylogenetic structure of tropical ectomycorrhizal fungi across a plant and soil ecotone

*Relatively little is known about diversity or structure of tropical ectomycorrhizal communities or their roles in tropical ecosystem dynamics. In this study, we present one of the largest molecular studies to date of an ectomycorrhizal community in lowland dipterocarp rainforest. *We sampled roots...

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Veröffentlicht in:The New phytologist. - 1979. - 185(2010), 2 vom: 01. Jan., Seite 529-42
1. Verfasser: Peay, Kabir G (VerfasserIn)
Weitere Verfasser: Kennedy, Peter G, Davies, Stuart J, Tan, Sylvester, Bruns, Thomas D
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. DNA, Ribosomal Soil
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245 1 0 |a Potential link between plant and fungal distributions in a dipterocarp rainforest  |b community and phylogenetic structure of tropical ectomycorrhizal fungi across a plant and soil ecotone 
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500 |a CommentIn: New Phytol. 2010 Jan;185(2):351-4. - PMID 20088976 
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520 |a *Relatively little is known about diversity or structure of tropical ectomycorrhizal communities or their roles in tropical ecosystem dynamics. In this study, we present one of the largest molecular studies to date of an ectomycorrhizal community in lowland dipterocarp rainforest. *We sampled roots from two 0.4 ha sites located across an ecotone within a 52 ha forest dynamics plot. Our plots contained > 500 tree species and > 40 species of ectomycorrhizal host plants. Fungi were identified by sequencing ribosomal RNA genes. *The community was dominated by the Russulales (30 species), Boletales (17), Agaricales (18), Thelephorales (13) and Cantharellales (12). Total species richness appeared comparable to molecular studies of temperate forests. Community structure changed across the ecotone, although it was not possible to separate the role of environmental factors vs host plant preferences. Phylogenetic analyses were consistent with a model of community assembly where habitat associations are influenced by evolutionary conservatism of functional traits within ectomycorrhizal lineages. *Because changes in the ectomycorrhizal fungal community parallel those of the tree community at this site, this study demonstrates the potential link between the distribution of tropical tree diversity and the distribution of tropical ectomycorrhizal diversity in relation to local-scale edaphic variation 
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700 1 |a Kennedy, Peter G  |e verfasserin  |4 aut 
700 1 |a Davies, Stuart J  |e verfasserin  |4 aut 
700 1 |a Tan, Sylvester  |e verfasserin  |4 aut 
700 1 |a Bruns, Thomas D  |e verfasserin  |4 aut 
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