Expanding the Trichoderma harzianum species complex: Three new species from Argentine natural and cultivated ecosystems

A study was performed on a collection of 84 isolates from decaying plant tissues and soils in Argentina previously identified as Trichoderma harzianum. Based on multiple phenotypic characters and multilocus phylogenetic analyses, 10 species were distinguished, three of which are described as new spe...

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Published in:Mycologia 2021-11, Vol.113 (6), p.1136-1155
Main Authors: Barrera, Viviana A., Iannone, Leopoldo, Romero, Andrea Irene, Chaverri, Priscila
Format: Article
Language:English
Subjects:
3 new taxa
Actin
Argentina
calmodulin
Ecosystem
Hypocreales
Phylogeny
systematics
taxonomy
translation elongation factor 1-α
Trichoderma - genetics
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cites cdi_FETCH-LOGICAL-c366t-e51561f8d1f97e41af32fd9acbcd04a52a337e1477f254d222f3029c055ff7603
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creator Barrera, Viviana A.
Iannone, Leopoldo
Romero, Andrea Irene
Chaverri, Priscila
description A study was performed on a collection of 84 isolates from decaying plant tissues and soils in Argentina previously identified as Trichoderma harzianum. Based on multiple phenotypic characters and multilocus phylogenetic analyses, 10 species were distinguished, three of which are described as new species: T. austroindianum, T. hortense, and T. syagri. Among the remaining seven identified species, the following five can be added to the Argentine mycobiota: T. afarasin, T. afroharzianum, T. endophyticum, T. guizhouense, and T. neotropicale. Trichoderma afroharzianum and T. endophyticum were the most frequent species found in the samples. In addition, a collection of isolates previously identified as T. harzianum with antagonistic abilities were reidentified as T. afroharzianum, thus highlighting the importance of correct identification of biocontrol species.
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source Taylor and Francis Science and Technology Collection
subjects 3 new taxa
Actin
Argentina
calmodulin
Ecosystem
Hypocreales
Phylogeny
systematics
taxonomy
translation elongation factor 1-α
Trichoderma - genetics
title Expanding the Trichoderma harzianum species complex: Three new species from Argentine natural and cultivated ecosystems
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