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Artículo

Fusaric acid detoxification: a strategy of Gliocladium roseum involved in its antagonism against Fusarium verticillioides

Kuang, Yi; Scherlach, Kirstin; Hertweck, Christian; Yang, Shengxiang; Sampietro, Diego AlejandroIcon ; Karlovsky, Petr
Fecha de publicación: 02/2022
Editorial: Springer Science and Business Media Deutschland GmbH
Revista: Mycotoxin Research
ISSN: 1867-1632
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Biotecnología Agrícola y Biotecnología Alimentaria

Resumen

Fungal co-culture has several biotechnological applications including the discovery or the enhanced production of secondary metabolites. It is also a powerful tool aiding to elucidate the involvement of secondary metabolism in fungus-fungus interactions. The aim of this work was to investigate secondary metabolites produced when Fusarium verticillioides is co-cultured with Gliocladium roseum. Secreted metabolites were analyzed by HPLC–MS, and fusaric acid (FA) was quantified by HPLC–DAD. Four FA derivatives were identified only in the F. verticillioides-G. roseum co-culture. Mass spectrometry and one- and two-dimensional NMR spectra indicated that they were 5-butylpyridine-2-carboxylic acid methyl ester (5B2CAM), 4-(5-butylpicolinamido) butanoic acid (45BBA), methyl 4-(5-butylpicolinamido) butanoate (M45BBA), and bis(5-butyl-2-pyridinecarboxylate-N1,O2)-copper (B52P). 45BBA and M45BBA are reported for the first time and were FA biotransformation products generated by G. roseum. The antifungal activity of 5B2CAM, 45BBA, and M45BBA was evaluated in vitro against Botrytis cinerea and Aspergillus niger. They were less fungitoxic than FA, with 45BBA as the least toxic. Our results suggest that the effective antagonism exerted by G. roseum against F. verticillioides is due, at least in part, to its detoxifying ability against FA.
Palabras clave: ANTAGONISM , ANTIFUNGAL ACTIVITY , FUNGAL INTERACTIONS , SECONDARY METABOLISM
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info:eu-repo/semantics/restrictedAccess 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/11336/162306
URL: https://link.springer.com/10.1007/s12550-021-00448-6
DOI: http://dx.doi.org/10.1007/s12550-021-00448-6
Colecciones
Articulos(CCT - NOA SUR)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - NOA SUR
Citación
Kuang, Yi; Scherlach, Kirstin; Hertweck, Christian; Yang, Shengxiang; Sampietro, Diego Alejandro; et al.; Fusaric acid detoxification: a strategy of Gliocladium roseum involved in its antagonism against Fusarium verticillioides; Springer Science and Business Media Deutschland GmbH; Mycotoxin Research; 38; 1; 2-2022; 13-25
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