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Ectomycorrhizal fungal diversity and community structure on three co-occurring leguminous canopy tree species in a Neotropical rainforest

Publication ,  Journal Article
Smith, ME; Henkel, TW; Aime, MC; Fremier, AK; Vilgalys, R
Published in: New Phytol
November 2011

* The ectomycorrhizal (ECM) symbiosis was historically considered restricted to the temperate zones, but recent studies have shown the importance of this symbiosis across the tropics. We examined ECM fungal diversity, host plant phylogeny and ECM host preferences in a rainforest dominated by the leguminous host plants Dicymbe corymbosa, Dicymbe altsonii and Aldina insignis. * Ectomycorrhizal fungi were identified by internal transcribed spacer rDNA sequencing and host species were verified with chloroplast trnL sequencing. To test whether Dicymbe and Aldina represent independent gains of the ECM symbiosis, we constructed a Fabaceae phylogeny using MatK and trnL. We identified four independent ECM lineages within the Fabaceae. * We detected a diverse community of 118 ECM species dominated by the /clavulina, /russula-lactarius, /boletus, and /tomentella-thelephora lineages. Ectomycorrhizal species in Agaricales, Atheliales and Polyporales may represent previously unrecognized tropical-endemic ECM lineages. Previous studies suggested that ECM fungi did not diversify in the tropics, but the /clavulina lineage appears to have a center of diversity in tropical South America. * Dicymbe and Aldina represent independent gains of the ECM symbiosis in Fabaceae but their fungal symbionts showed no host preferences. Spatial factors are more important than hosts in structuring the ECM fungal community in this ecosystem.

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Published In

New Phytol

DOI

Publication Date

November 2011

Volume

192

Issue

3

Start / End Page

699 / 712

Related Subject Headings

  • Tropical Climate
  • Trees
  • Symbiosis
  • Species Specificity
  • Plant Biology & Botany
  • Phylogeny
  • Mycorrhizae
  • Guyana
  • Geography
  • Genes, Plant
 

Citation

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MLA
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Smith, M. E., Henkel, T. W., Aime, M. C., Fremier, A. K., & Vilgalys, R. (2011). Ectomycorrhizal fungal diversity and community structure on three co-occurring leguminous canopy tree species in a Neotropical rainforest. New Phytol, 192(3), 699–712. https://doi.org/10.1111/j.1469-8137.2011.03844.x
Smith, Matthew E., Terry W. Henkel, M Catherine Aime, Alex K. Fremier, and Rytas Vilgalys. “Ectomycorrhizal fungal diversity and community structure on three co-occurring leguminous canopy tree species in a Neotropical rainforest.” New Phytol 192, no. 3 (November 2011): 699–712. https://doi.org/10.1111/j.1469-8137.2011.03844.x.
Smith ME, Henkel TW, Aime MC, Fremier AK, Vilgalys R. Ectomycorrhizal fungal diversity and community structure on three co-occurring leguminous canopy tree species in a Neotropical rainforest. New Phytol. 2011 Nov;192(3):699–712.
Smith, Matthew E., et al. “Ectomycorrhizal fungal diversity and community structure on three co-occurring leguminous canopy tree species in a Neotropical rainforest.” New Phytol, vol. 192, no. 3, Nov. 2011, pp. 699–712. Manual, doi:10.1111/j.1469-8137.2011.03844.x.
Smith ME, Henkel TW, Aime MC, Fremier AK, Vilgalys R. Ectomycorrhizal fungal diversity and community structure on three co-occurring leguminous canopy tree species in a Neotropical rainforest. New Phytol. 2011 Nov;192(3):699–712.

Published In

New Phytol

DOI

Publication Date

November 2011

Volume

192

Issue

3

Start / End Page

699 / 712

Related Subject Headings

  • Tropical Climate
  • Trees
  • Symbiosis
  • Species Specificity
  • Plant Biology & Botany
  • Phylogeny
  • Mycorrhizae
  • Guyana
  • Geography
  • Genes, Plant