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Are Trechisporales ectomycorrhizal or non-mycorrhizal root endophytes?

Vanegas-León, Mary Luz ; Sulzbacher, Marcelo A. ; Rinaldi, Andrea C. ; Roy, Mélanie ; Selosse, Marc-André ; Neves, Maria Alice

Mycological Progress, 2019-09, Vol.18 (9), p.1231-1240 [Periódico revisado por pares]

Berlin/Heidelberg: Springer Berlin Heidelberg

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Título:
Are Trechisporales ectomycorrhizal or non-mycorrhizal root endophytes?
Autor: Vanegas-León, Mary Luz ; Sulzbacher, Marcelo A. ; Rinaldi, Andrea C. ; Roy, Mélanie ; Selosse, Marc-André ; Neves, Maria Alice
Assuntos: Abundance ; Basidiomes ; Biodiversity ; Biomedical and Life Sciences ; Decomposing organic matter ; Deoxyribonucleic acid ; DNA ; Ecological monitoring ; Ecology ; Ectomycorrhizas ; Endophytes ; Fungi ; Gene sequencing ; Humus ; Life Sciences ; Microbiology ; Nucleotide sequence ; Nutrition ; Original Article ; Phylogeny ; Plant Sciences ; Rainforests ; Roots ; Soil layers ; Soil microorganisms ; Soils ; Systematics, Phylogenetics and taxonomy
É parte de: Mycological Progress, 2019-09, Vol.18 (9), p.1231-1240
Descrição: Trechispora (Hydnodontaceae) is considered as a soil-inhabiting fungus. However, some species in the genus are frequently forming basidiomes on soil, a typical feature of ectomycorrhizal fungi. Ectomycorrhizal basidiomes are found in neotropical and subtropical region, but taxonomical information and DNA sequences of root fungi and basidiomes from native Atlantic Rainforest are poorly reported. Basidiomes and soil samples including roots, humus layer, and mineral soil were collected in the Atlantic Rainforest, in Florianópolis (South of Brazil). Sequences of the ITS region were obtained from all sample types and subjected to phylogenetic reconstruction. Two sequences amplified from apparently ectomycorrhizal roots belonged to Trechispora and suggested a root-associated ecology, at least biotrophic and possibly ectomycorrhizal. The analysis of isotope abundance in the same Brazilian site and in French Guiana showed that Trechispora thelephora has high 15 N abundance and is often intermediate between ectomycorrhizal and saprotrophic species in 13 C abundance. This is congruent with a plant biotrophic ecology, perhaps ectomycorrhizal. Future investigations in subtropical regions are needed to determine whether such a mode of nutrition is widespread among Trechispora .
Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
Idioma: Inglês

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Are Trechisporales ectomycorrhizal or non-mycorrhizal root endophytes?

Vanegas-León, Mary Luz ; Sulzbacher, Marcelo A. ; Rinaldi, Andrea C. ; Roy, Mélanie ; Selosse, Marc-André ; Neves, Maria Alice

Berlin/Heidelberg: Springer Berlin Heidelberg

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