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Artículo

Characterization of a novel Kazal-type serine proteinase inhibitor of Arabidopsis thaliana

Pariani Alvarez, Sebastian AdolfoIcon ; Contreras, Susana MarisolIcon ; Rossi, Franco RubénIcon ; Sander, Valeria AnalíaIcon ; Corigliano, Mariana GeorginaIcon ; Simon, Francisco; Busi, María VictoriaIcon ; Gomez Casati, Diego FabianIcon ; Pieckenstain, Fernando LuisIcon ; Duschak, Vilma GladysIcon ; Clemente, MarinaIcon
Fecha de publicación: 04/2016
Editorial: Elsevier France-editions Scientifiques Medicales Elsevier
Revista: Biochimie
ISSN: 0300-9084
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

Many different types of serine proteinase inhibitors have been involved in several kinds of plant physiological processes, including defense mechanisms against phytopathogens. Kazal-type serine proteinase inhibitors, which are included in the serine proteinase inhibitor family, are present in several organisms. These proteins play a regulatory role in processes that involve serine proteinases like trypsin, chymotrypsin, thrombin, elastase and/or subtilisin. In the present work, we characterized two putative Kazal-type serine proteinase inhibitors from Arabidopsis thaliana, which have a single putative Kazal-type domain. The expression of these inhibitors is transiently induced in response to leaf infection by Botrytis cinerea, suggesting that they play some role in defense against pathogens. We also evaluated the inhibitory specificity of one of the Kazal-type serine proteinase inhibitors, which resulted to be induced during the local response to B. cinerea infection. The recombinant Kazal-type serine proteinase inhibitor displayed high specificity for elastase and subtilisin, but low specificity for trypsin, suggesting differences in its selectivity. In addition, this inhibitor exhibited a strong antifungal activity inhibiting the germination rate of B. cinerea conidia in vitro. Due to the important role of proteinase inhibitors in plant protection against pathogens and pests, the information about Kazal-type proteinase inhibitors described in the present work could contribute to improving current methods for plant protection against pathogens.
Palabras clave: ARABIDOPSIS THALIANA , BOTRYTIS CINEREA , INHIBITORY ACTIVITY , KAZAL-TYPE DOMAIN , SERINE PROTEINASE INHIBITOR
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/45995
DOI: https://dx.doi.org/10.1016/j.biochi.2016.02.002
URL: https://www.sciencedirect.com/science/article/pii/S0300908416000456
Colecciones
Articulos(CCT - LA PLATA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - LA PLATA
Articulos(CEFOBI)
Articulos de CENTRO DE EST.FOTOSINTETICOS Y BIOQUIMICOS (I)
Articulos(IIB-INTECH)
Articulos de INST.DE INVEST.BIOTECNOLOGICAS - INSTITUTO TECNOLOGICO CHASCOMUS
Articulos(SEDE CENTRAL)
Articulos de SEDE CENTRAL
Citación
Pariani Alvarez, Sebastian Adolfo; Contreras, Susana Marisol; Rossi, Franco Rubén; Sander, Valeria Analía; Corigliano, Mariana Georgina; et al.; Characterization of a novel Kazal-type serine proteinase inhibitor of Arabidopsis thaliana; Elsevier France-editions Scientifiques Medicales Elsevier; Biochimie; 123; 4-2016; 85-94
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