Transcriptomic response of Arabidopsis thaliana after 24 h incubation with the biocontrol fungus Trichoderma harzianum

Copyright © 2012 Elsevier GmbH. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Journal of plant physiology. - 1979. - 169(2012), 6 vom: 15. Apr., Seite 614-20
1. Verfasser: Morán-Diez, Eugenia (VerfasserIn)
Weitere Verfasser: Rubio, Belén, Domínguez, Sara, Hermosa, Rosa, Monte, Enrique, Nicolás, Carlos
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't
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520 |a Trichoderma harzianum is a fungus used as biocontrol agent using its antagonistic abilities against phytopathogenic fungi, although it has also direct effects on plants, increasing or accelerating their growth and resistance to diseases and the tolerance to abiotic stresses. We analyzed Arabidopsis thaliana gene expression changes after 24 h of incubation in the presence of T. harzianum T34 using the Affymetrix GeneChip Arabidopsis ATH1. Because this microarray contains more than 22,500 probe sets representing approximately 24,000 genes, we were able to construct a global picture of the molecular physiology of the plant at 24 h of T. harzianum-Arabidopsis interaction. We identified several differentially expressed genes that are involved in plant responses to stress, regulation of transcription, signal transduction or plant metabolism. Our data support the hypothesis that salicylic acid- and jasmonic acid-related genes were down-regulated in A. thaliana after 24 h of incubation in the presence of T. harzianum T34, while several genes related to abiotic stress responses were up-regulated. These systemic changes elicited by T. harzianum in Arabidopsis are discussed 
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700 1 |a Rubio, Belén  |e verfasserin  |4 aut 
700 1 |a Domínguez, Sara  |e verfasserin  |4 aut 
700 1 |a Hermosa, Rosa  |e verfasserin  |4 aut 
700 1 |a Monte, Enrique  |e verfasserin  |4 aut 
700 1 |a Nicolás, Carlos  |e verfasserin  |4 aut 
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