Potential Sustainable Antagonistic Biocontrol Strategy Against Xanthomonas vesicatoria

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This work was supported by project I+D+i PID2021-123600OR-C44, funded by MICIU/AEI/10.13039/501100011033 and by ERDF, EU.

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Palacio-Bielsa, AnaAuthor

October 31, 2025

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Publicated to:Biology And Life Sciences Forum. 46 5- - 2025-10-31 46(), DOI: 10.3390/blsf2025046005

Authors: Álvarez, B., Salas, I., Castellón, T., Palacio-Bielsa, A., & Biosca, E. G.

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Departamento de Microbiología y Ecología, Universitat de València, 46100 Valencia, Spain - Author

Departamento de Microbiología y Ecología, Universitat de València, 46100 Valencia, Spain, Área de Investigación Aplicada y Extensión Agraria, IMIDRA, 28805 Madrid, Spain - Author

Departamento de Sistemas Agrícolas, Forestales y Medio Ambiente, Centro de Investigación y Tecnología Agroalimentaria de Aragón, 50013 Zaragoza, Spain, Instituto Agroalimentario de Aragón-IA2, CITA-Universidad de Zaragoza, 50009 Zaragoza, Spain - Author

Abstract

In agroecosystems, bacterial antagonism is an alternative to agrochemicals, which are a threat to the environment and global health. From this perspective, a collection of environmental bacterial isolates was tested for their potential as antagonists against the phytopathogenic bacterium Xanthomonas vesicatoria, which is one of the etiological agents of bacterial spot in tomato and pepper. The isolates with the greatest in vitro antagonistic activity were selected for ex vivo assays using tomato plant leaves and further characterized for their capacity to produce hydrolytic enzymes. The results revealed promising prospects for an antagonism-based X. vesicatoria biocontrol against bacterial spot disease, thus favouring more sustainable agricultural production.

Keywords

Bacterias patógenasChili dulceControl biológico de plagasTomate

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