Artículo

Gentile, A.; Rossi, M.S.; Cabral, D.; Craven, K.D.; Schardl, C.L. "Origin, divergence, and phylogeny of epichloë endophytes of native Argentine grasses" (2005) Molecular Phylogenetics and Evolution. 35(1):196-208
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Abstract:

The epichloë endophytes are systemic, constitutive, and often vertically transmitted fungal symbionts of grass species in subfamily Poöideae. Prior studies indicate that several asexual epichloë endophytes (Neotyphodium species) have evolved directly from sexual (Epichloë) species, whereas others evolved by hybridization between two or more endophyte species. In this paper, we investigate the phylogenies of 27 Neotyphodium spp. isolates from 10 native grass species (in 4 tribes) in 22 populations throughout Argentina. Relationships among these fungi and a worldwide collection of epichloë endophytes were estimated by phylogenetic analysis of sequences from variable portions (mainly introns) of genes for β-tubulin (tub2) and translation elongation factor 1-α (tef1). Most of the Argentine endophyte isolates were interspecific hybrids of Epichloë festucae and E. typhina. Only one isolate was a hybrid of a different ancestry, and three isolates were apparently non-hybrid endophytes. These results indicate that interspecific hybridization, which promotes genetic variation, was common during the evolution of the endophytes of Argentine grasses. © 2005 Elsevier Inc. All rights reserved.

Registro:

Documento: Artículo
Título:Origin, divergence, and phylogeny of epichloë endophytes of native Argentine grasses
Autor:Gentile, A.; Rossi, M.S.; Cabral, D.; Craven, K.D.; Schardl, C.L.
Filiación:Laboratorio de Micología, PRHIDEB-CONICET, Universidad de Buenos Aires, Argentina
Depart. Fisiol., Biol. Molec. Y Cel., IFIBYNE-CONICET, Universidad de Buenos Aires, Argentina
Department of Plant Pathology, University of Kentucky, Lexington, KY 40546-0312, United States
Palabras clave:Endophyte phylogeny; Epichloë; Hybrid fungi; Neotyphodium; Poaceae; Argentina (fish); Epichloe; Epichloe; Epichloe festucae; Epichloe festucae; Epichloe typhina; Epichloe typhina; Fungi; Neotyphodium; Neotyphodium; Poaceae; Pooideae
Año:2005
Volumen:35
Número:1
Página de inicio:196
Página de fin:208
DOI: http://dx.doi.org/10.1016/j.ympev.2005.01.008
Título revista:Molecular Phylogenetics and Evolution
Título revista abreviado:Mol. Phylogenet. Evol.
ISSN:10557903
CODEN:MPEVE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10557903_v35_n1_p196_Gentile

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Citas:

---------- APA ----------
Gentile, A., Rossi, M.S., Cabral, D., Craven, K.D. & Schardl, C.L. (2005) . Origin, divergence, and phylogeny of epichloë endophytes of native Argentine grasses. Molecular Phylogenetics and Evolution, 35(1), 196-208.
http://dx.doi.org/10.1016/j.ympev.2005.01.008
---------- CHICAGO ----------
Gentile, A., Rossi, M.S., Cabral, D., Craven, K.D., Schardl, C.L. "Origin, divergence, and phylogeny of epichloë endophytes of native Argentine grasses" . Molecular Phylogenetics and Evolution 35, no. 1 (2005) : 196-208.
http://dx.doi.org/10.1016/j.ympev.2005.01.008
---------- MLA ----------
Gentile, A., Rossi, M.S., Cabral, D., Craven, K.D., Schardl, C.L. "Origin, divergence, and phylogeny of epichloë endophytes of native Argentine grasses" . Molecular Phylogenetics and Evolution, vol. 35, no. 1, 2005, pp. 196-208.
http://dx.doi.org/10.1016/j.ympev.2005.01.008
---------- VANCOUVER ----------
Gentile, A., Rossi, M.S., Cabral, D., Craven, K.D., Schardl, C.L. Origin, divergence, and phylogeny of epichloë endophytes of native Argentine grasses. Mol. Phylogenet. Evol. 2005;35(1):196-208.
http://dx.doi.org/10.1016/j.ympev.2005.01.008