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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/69517

    Título
    Antifungal activity of plant waste extracts against phytopathogenic fungi: Allium sativum peels extract as a promising product targeting the fungal plasma membrane and cell wall
    Autor
    Teixeira, Ana
    Sánchez Hernández, EvaAutoridad UVA Orcid
    Noversa, João
    Cunha, Ana
    Cortez, Isabel
    Marques, Guilhermina
    Martín Ramos, PabloAutoridad UVA Orcid
    Oliveira, Rui
    Año del Documento
    2023
    Editorial
    MDPI
    Descripción
    Producción Científica
    Documento Fuente
    Horticulturae, 2023, Vol. 9, Nº. 2, 136
    Resumen
    The harmful effect of synthetic fungicides on the environment and the development of resistance by fungi raises concerns about their security and future efficacy. In this work, we investigated plant by-products with the antifungal activity that could be safe alternatives to conventional fungicides. The in vitro antifungal potential of plant by-product extracts showed that garlic peel extract (GPE) was the most effective against several phytopathogenic fungi. Accordingly, in ex situ assays with apples, GPE significantly reduced the lesion size caused by subepidermal inoculation with Colletotrichum acutatum spores. In addition, Saccharomyces cerevisiae mutant strains affected in ergosterol synthesis showed higher resistance to GPE than the parental strain, indicating that the extract might target an intermediate of this pathway. Moreover, GPE affects the cell wall, given that bck1 and mkk1/mkk2 mutants were less able to cope with the stress because of the impairment of the remodeling mechanisms. Regarding the apoptosis-deficient mutant yca1, sensitivity was similar to that of the parental strain, suggesting that the extract does not induce apoptosis. A diverse group of sulfur compounds was identified by gas chromatography–mass spectrometry (GC/MS). Our findings contribute to the elucidation of the antifungal mechanism of GPE and highlight its potential as an alternative biofungicide in agriculture.
    Materias (normalizadas)
    Agricultural wastes
    Residuos agrícolas
    Waste management
    Residuos agrícolas - Reciclaje - Aspecto del Medio Ambiente
    Residuos - Aprovechamiento
    Antifungal activity
    Fungicides
    Phytopathogenic fungi
    Hongos fitopatógenos
    Fungi
    Garlic
    Plant extracts
    Environmental protection
    Medio ambiente- - Protección
    Horticulture
    Plant science
    Materias Unesco
    3102 Ingeniería Agrícola
    2414.90 Degradación de Residuos Vegetales
    3101.05 Fungicidas
    3108.05 Hongos
    3107 Horticultura
    ISSN
    2311-7524
    Revisión por pares
    SI
    DOI
    10.3390/horticulturae9020136
    Patrocinador
    Fundación Portuguesa para la Ciencia y la Tecnología (FCT) - (project UI/BD/150729/2020)
    Fundación Portuguesa para la Ciencia y la Tecnología (FCT) - (projects UIDB/04033/2020 and UIDB/04050/2020)
    AgrifoodXXI - (NORTE-01-0145-FEDER-000041)
    Version del Editor
    https://www.mdpi.com/2311-7524/9/2/136
    Propietario de los Derechos
    © 2023 The authors
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/69517
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • DEP42 - Artículos de revista [291]
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    Nombre:
    Antifungal-Activity-of-Plant-Waste-Extracts.pdf
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    Universidad de Valladolid

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