Antimicrobial activity of silver nanoparticles against phytopathogenic bacteria
DOI:
https://doi.org/10.47808/revistabioagro.v8i2.173Keywords:
pathogenicity, Food safety, plant healthAbstract
Silver nanoparticles (NPAg) are promising antibacterial agents against resistant phytopathogenic bacteria. Their nanometric size gives them the ability to penetrate different biological membranes such as the bacterial wall, increasing their bactericidal effect. The objective of this research was to use NPAg synthesized by fungi, against phytopathogenic bacteria isolated from diseased fruits of different agricultural crops of importance in the region. A total of 21 phytopathogenic bacteria were isolated, which were identified at the genus level by morphological, microscopic and biochemical tests, as Pseudomonas sp; Serratia sp; Xanthomonas sp; Erwinia sp; and Acinetobacter sp. The effect of silver nanoparticles was evaluated in liquid media added with NPAg at different concentrations, which showed an in vitro growth inhibition of 93% to 99%, using dilution with a 1: 5 ratios of NPAg / nutritive broth (300 ppm).
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Copyright (c) 2020 Norma Gabriela Rojas Avelizapa, Paul Edgardo Regalado Infante, María del Rosario Dávila Lezama, Regulo Carlos Llarena Hernández, Luz Irene Rojas Avelizapa
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