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Identificación de especies y relaciones interespecíficas en hongos endofíticos en poblaciones naturales de Lolium perenne.

Authors: Espadas Resendiz, M.; Romo Vaquero, María; Vázquez de Aldana, Beatriz R.; García Ciudad, Antonia; García Criado, Balbino; Zabalgogeazcoa, Iñigo;

Identificación de especies y relaciones interespecíficas en hongos endofíticos en poblaciones naturales de Lolium perenne.

Abstract

{ESP} Se han identificado diversas especies de hongos endofíticos que infectan a Lo/ium perenne, en los pastos de las provincias de Salamanca, Zamora y León. La incidencia media de infección fue de 55,01 %. En función de su morfología se identificaron tres tipos de endofitos: Tipo A con un crecimiento lento y sin conidios; Tipo B de crecimiento rápido y sin conidios; Tipo C con crecimiento rápido y con conidios. Su identificación molecular fue realizada por medio de secuencias nucleotídicas pertenecientes a la región ITS-l/5.8 S rRNA/lTS2; la secuenciación de las distintas muestras permitieron su agrupación en: Neotyphodium sp., Epich/oe festucae yEpichloe typhina. Finalmente, en plantas de Lolium perenne se detectó ergovalina, compuesto relacionado con el síndrome de festucosis en ganado vacuno, presente en una concentración que oscila entre 0,05 y 3,90 mg gol.

{ENG} Endophyte fungí that infect Lolium perenne in the provinces of Salamanca, Zamora and León were identified. Average infection incidence by endophyte was 55.01 %. Based on their morphology three grups of endophytes were identified. Type A slow growth without conidias; type B fast growth without conidiasj type C fast growth with conidias. Molecular indentification was done using secuences from ITS-l/r RNA/ ITS2 regian, secuences samples were grouped within: Neotyphodium sp., Epichloe festucae andEptch/oe typhina. Finally, ergovaline was detected on sampes of Lolium perenne, in 0.05 to 3.90 mg concentration. Ergovaline i8 related to festucosü~ syndrome in cattle.

XLIV Reunión Científica de la Sociedad Española para el Estudio de los Pastos. 10-14 de mayo de 2004, Salamanca (España)

Este trabajo ha sido financiado por el proyecto de la Junta de Castilla y León (CS! 6/01).

Country
Spain
Related Organizations
Keywords

Neotyphodium, Epichloe, Endofitos, Endophytes, Pastos, Grasses

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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