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Eco-Friendly Biocontrol Strategies of Alternaria Phytopathogen Fungus: A Focus on Gene-Editing Techniques

Author

Listed:
  • Domingo Cesar Carrascal-Hernández

    (Grupo de Investigación en Fotoquímica y Fotobiología, Programa de Química, Facultad de Ciencias Básicas, Universidad del Atlántico, Puerto Colombia 081008, Colombia)

  • Edwin Flórez-López

    (Grupo de Investigación en Química y Biotecnología QUIBIO, Universidad Santiago de Cali, Calle 5 No 62-00, Cali 760035, Colombia)

  • Yeimmy Peralta-Ruiz

    (Facultad de Ingeniería, Programa de Ingeniería Agroindustrial, Universidad del Atlántico, Carrera 30 Número 8-49, Puerto Colombia 081008, Colombia)

  • Clemencia Chaves-López

    (Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy)

  • Carlos David Grande-Tovar

    (Grupo de Investigación en Fotoquímica y Fotobiología, Programa de Química, Facultad de Ciencias Básicas, Universidad del Atlántico, Puerto Colombia 081008, Colombia)

Abstract

Agricultural food production is greatly affected by postharvest diseases worldwide, such as the diseases caused by Alternaria species, which are very common in several crops. The management of fungal infections around the world largely relies on fungicides. In this context, the control of diseases such as early blight caused by Alternaria solani in potatoes and Alternaria linariae in tomatoes has mainly consisted of the application of fungicides, with negative impacts on the environment and human health. Recently, the application of ‘omics’ and gene editing through the CRISPR/Cas9 system and RNAi technologies demonstrated their effectiveness as emerging greener alternatives for controlling phytopathogenic fungi. Additionally, coatings based on essential oils and microbial antagonists suggest alternative strategies for controlling phytopathogenic fungi that are respectful of the environment. This review presents an exhaustive literature review focused on using greener alternatives to the traditional management of postharvest diseases associated with Alternaria species, such as inhibiting pathogenicity from their phytopathogenic genes using gene editing based on CRISPR/Cas9 and RNAi technologies. The review also presents coatings based on essential oils and microbial antagonists as greener strategies for Alternaria control. Biological processes of maximum efficiency can replace chemical methods for controlling phytopathogenic fungi, preserving healthy conditions in agricultural lands and ecosystems. This is possible with the rise of ‘omic’ technologies, the CRISPR/Cas9 tool, and RNAi technology. Greener control methods of Alternaria fungi can increase agricultural production, improving the economy and global health.

Suggested Citation

  • Domingo Cesar Carrascal-Hernández & Edwin Flórez-López & Yeimmy Peralta-Ruiz & Clemencia Chaves-López & Carlos David Grande-Tovar, 2022. "Eco-Friendly Biocontrol Strategies of Alternaria Phytopathogen Fungus: A Focus on Gene-Editing Techniques," Agriculture, MDPI, vol. 12(10), pages 1-23, October.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:10:p:1722-:d:946919
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    References listed on IDEAS

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    1. Milan Panth & Samuel C. Hassler & Fulya Baysal-Gurel, 2020. "Methods for Management of Soilborne Diseases in Crop Production," Agriculture, MDPI, vol. 10(1), pages 1-21, January.
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