Amphibian skin bacteria display antifungal activity and induce plant defense mechanisms against Botrytis cinerea
Por:
Romero-Contreras Y.J., Gonzalez-Serrano F., Formey D., Aragón W., Chacón F.I., Torres M., Cevallos M.Á., Dib J.R., Rebollar E.A., Serrano M.
Publicada:
1 ene 2024
Categoría:
Plant science
Resumen:
Botrytis cinerea is the causal agent of gray mold, which affects a wide variety of plant species. Chemical agents have been used to prevent the disease caused by this pathogenic fungus. However, their toxicity and reduced efficacy have encouraged the development of new biological control alternatives. Recent studies have shown that bacteria isolated from amphibian skin display antifungal activity against plant pathogens. However, the mechanisms by which these bacteria act to reduce the effects of B. cinerea are still unclear. From a diverse collection of amphibian skin bacteria, three proved effective in inhibiting the development of B. cinerea under in vitro conditions. Additionally, the individual application of each bacterium on the model plant Arabidopsis thaliana, Solanum lycopersicum and post-harvest blueberries significantly reduced the disease caused by B. cinerea. To understand the effect of bacteria on the host plant, we analyzed the transcriptomic profile of A. thaliana in the presence of the bacterium C32I and the fungus B. cinerea, revealing transcriptional regulation of defense-related hormonal pathways. Our study shows that bacteria from the amphibian skin can counteract the activity of B. cinerea by regulating the plant transcriptional responses. Copyright © 2024 Romero-Contreras, Gonzalez-Serrano, Formey, Aragón, Chacón, Torres, Cevallos, Dib, Rebollar and Serrano.
Filiaciones:
Romero-Contreras Y.J.:
Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Morelos, Cuernavaca, Mexico
Programa de Doctorado en Ciencias Biomédicas, Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
Gonzalez-Serrano F.:
Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Morelos, Cuernavaca, Mexico
Programa de Doctorado en Ciencias Biomédicas, Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
Formey D.:
Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Morelos, Cuernavaca, Mexico
Aragón W.:
Instituto de Biociencias, Universidad Autónoma de Chiapas, Chiapas, Tapachula, Mexico
Chacón F.I.:
Planta Piloto de Procesos Industriales Microbiológicos (PROIM) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Tucumán, Argentina
Torres M.:
Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Morelos, Cuernavaca, Mexico
Cevallos M.Á.:
Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Morelos, Cuernavaca, Mexico
Dib J.R.:
Planta Piloto de Procesos Industriales Microbiológicos (PROIM) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Tucumán, Argentina
Instituto de Microbiología, Universidad Nacional de Tucumán, Tucumán, Argentina
Rebollar E.A.:
Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Morelos, Cuernavaca, Mexico
Serrano M.:
Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Morelos, Cuernavaca, Mexico
gold, All Open Access; Gold Open Access
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