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Article

Potential of Antifungal Proteins (AFPs) to Control Penicillium Postharvest Fruit Decay

1
Food Biotechnology Department, Instituto de Agroquímica y Tecnología de Alimentos (IATA), Consejo Superior de Investigaciones Científicas (CSIC), Catedrático Agustín Escardino Benlloch 7, 46980 Valencia, Spain
2
Departamento de Medicina Preventiva y Salud Pública, Ciencias de la Alimentación, Bromatología, Toxicología y Medicina Legal, Universitat de València, Vicente Andrès Estellès s/n, 46100 Valencia, Spain
3
Biocenter, Institute of Molecular Biology, Medical University of Innsbruck, Innrain 80-82, 6020 Innsbruck, Austria
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Institute of Plant Biology, Biological Research Centre, Eötvös Loránd Research Network, Temesvári krt. 62, 6726 Szeged, Hungary
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Department of Biotechnology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, 6726 Szeged, Hungary
*
Author to whom correspondence should be addressed.
Academic Editor: Raffaella Maria Balestrini
J. Fungi 2021, 7(6), 449; https://doi.org/10.3390/jof7060449
Received: 28 April 2021 / Revised: 27 May 2021 / Accepted: 2 June 2021 / Published: 4 June 2021
(This article belongs to the Special Issue Control of Postharvest Pathogenic Penicillium)
Penicillium phytopathogenic species provoke severe postharvest disease and economic losses. Penicillium expansum is the main pome fruit phytopathogen while Penicillium digitatum and Penicillium italicum cause citrus green and blue mold, respectively. Control strategies rely on the use of synthetic fungicides, but the appearance of resistant strains and safety concerns have led to the search for new antifungals. Here, the potential application of different antifungal proteins (AFPs) including the three Penicillium chrysogenum proteins (PAF, PAFB and PAFC), as well as the Neosartorya fischeri NFAP2 protein to control Penicillium decay, has been evaluated. PAFB was the most potent AFP against P. digitatum, P. italicum and P. expansum, PAFC and NFAP2 showed moderate antifungal activity, whereas PAF was the least active protein. In fruit protection assays, PAFB provoked a reduction of the incidence of infections caused by P. digitatum and P. italicum in oranges and by P. expansum in apples. A combination of AFPs did not result in an increase in the efficacy of disease control. In conclusion, this study expands the antifungal inhibition spectrum of the AFPs evaluated, and demonstrates that AFPs act in a species-specific manner. PAFB is a promising alternative compound to control Penicillium postharvest fruit decay. View Full-Text
Keywords: Penicillium decay; Penicillium digitatum; Penicillium italicum; Penicillium expansum; PAFB antifungal protein; postharvest protection Penicillium decay; Penicillium digitatum; Penicillium italicum; Penicillium expansum; PAFB antifungal protein; postharvest protection
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MDPI and ACS Style

Gandía, M.; Kakar, A.; Giner-Llorca, M.; Holzknecht, J.; Martínez-Culebras, P.; Galgóczy, L.; Marx, F.; Marcos, J.F.; Manzanares, P. Potential of Antifungal Proteins (AFPs) to Control Penicillium Postharvest Fruit Decay. J. Fungi 2021, 7, 449. https://doi.org/10.3390/jof7060449

AMA Style

Gandía M, Kakar A, Giner-Llorca M, Holzknecht J, Martínez-Culebras P, Galgóczy L, Marx F, Marcos JF, Manzanares P. Potential of Antifungal Proteins (AFPs) to Control Penicillium Postharvest Fruit Decay. Journal of Fungi. 2021; 7(6):449. https://doi.org/10.3390/jof7060449

Chicago/Turabian Style

Gandía, Mónica, Anant Kakar, Moisés Giner-Llorca, Jeanett Holzknecht, Pedro Martínez-Culebras, László Galgóczy, Florentine Marx, Jose F. Marcos, and Paloma Manzanares. 2021. "Potential of Antifungal Proteins (AFPs) to Control Penicillium Postharvest Fruit Decay" Journal of Fungi 7, no. 6: 449. https://doi.org/10.3390/jof7060449

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