Enhanced secretion of biocontrol enzymes by Trichoderma harzianum mutant strains in the presence of Rhizoctonia solani cell walls
Author
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Polanco, Rubén
Author
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Pino, Constanza
Author
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Besoain, Ximena
Author
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Montealegre Andrade, Jaime
Author
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Pérez, Luz M.
Admission date
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2016-01-29T14:39:50Z
Available date
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2016-01-29T14:39:50Z
Publication date
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2015
Cita de ítem
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Cien. Inv. Agr. 42(2):243-250. 2015
en_US
Identifier
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DOI: 10.4067/S0718-162020150002000010
Identifier
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https://repositorio.uchile.cl/handle/2250/136902
General note
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Artículo de publicación ISI
en_US
Abstract
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The secretion of enzymes involved in biocontrol from the wild T. harzianum strains Th11 and Th12 and the mutants Th11A80.1, Th11C40.1 and Th12A10.1 was studied after their cultivation in the presence of R. solani cell walls as the sole carbon source. The results showed that endoprotease activity in the supernatants from Th11A80.1 and Th11C40.1 increased 2.77 and 4.79-fold, respectively, and the beta-1,3-glucanase and beta-1,4-chitinase activity from Th12A10.1 increased 1.86 and 1.54-fold, respectively, compared with the corresponding parental strains. The role of the three enzymes in the biocontrol of R. solani is discussed.
en_US
Patrocinador
dc.description.sponsorship
FONDECYT (Fondo Nacional de Desarrollo Cientifico y Tecnologico, Chile)
104053124