Prevalence, diversity, and antimicrobial resistance of Salmonella spp. isolated from river sediments in Northwest Mexico

Prevalence, diversity, and antimicrobial resistance of Salmonella spp. isolated from river sediments in Northwest Mexico

Introduction: Salmonella is a major foodborne pathogen widely distributed in the environment. Surface water, soil, and sediments may confer a protective effect on Salmonella against non-host conditions. Methodology: This study focused on determining the prevalence of Salmonella spp. in river sedi...

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Main Authors: José Andrés Medrano-Félix, Juan Carlos Guerra-Rodríguez, Vianey Araceli Verdugo Arredondo, Berenice González-Torres, Lennin Isaac Garrido-Palazuelos, Irvin González-López, Nohelia Castro-del Campo, Osvaldo López-Cuevas, Cristóbal Chaidez Quiroz
Format: Article
Language:English
Published: The Journal of Infection in Developing Countries 2024-12-01
Series:Journal of Infection in Developing Countries
Subjects:
Salmonella
river sediments
antimicrobial resistance
Online Access:https://jidc.org/index.php/journal/article/view/19938
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Summary:Introduction: Salmonella is a major foodborne pathogen widely distributed in the environment. Surface water, soil, and sediments may confer a protective effect on Salmonella against non-host conditions. Methodology: This study focused on determining the prevalence of Salmonella spp. in river sediments from Sinaloa central region by the Most Probable Number (MPN) technique and determining the antimicrobial resistance profile by Kirby-Bauer assay. Results: Results showed the prevalence of Salmonella from 37.5 to 62.5% of the samples, oscillating from 0.322 to 20 MPN/4g, with August being the month with the highest levels. In silico geno-serotyping reveals the presence of Salmonella serotypes Typhi, Javiana, Ohio, Montevideo, Oranienburg, Pomona, Agona, Livingstone, Weltevreden, Anatum, and Minnesota. The most prevalent serotypes in river sediments were Pomona, Montevideo, and Oranienburg. Almost all isolates showed resistance to erythromycin, rifampin, and penicillin. Conclusions: This study reveals the prevalence and distribution of Salmonella enterica in river sediments, which may represent a potential niche for establishment and survival in the environment and become a potential contamination source.
ISSN:1972-2680

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