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

IF 1.4 4区医学 Q4 INFECTIOUS DISEASES

Journal of Infection in Developing Countries Pub Date : 2024-12-30 DOI:10.3855/jidc.19938

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

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引用次数: 0

Abstract

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.

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墨西哥西北部河流沉积物中沙门氏菌的流行、多样性和耐药性。

沙门氏菌是一种广泛分布于环境中的主要食源性致病菌。地表水、土壤和沉积物可能对沙门氏菌在非宿主条件下具有保护作用。方法：采用最可能数（MPN）法测定锡那罗亚州中部地区河流沉积物中沙门氏菌的流行情况，并采用Kirby-Bauer法测定其耐药性。结果：沙门菌检出率为37.5 ~ 62.5%，在0.322 ~ 20 MPN/4g之间波动，以8月份最高；计算机基因血清分型显示伤寒沙门氏菌血清型的存在，爪哇，俄亥俄州，蒙得维的亚，奥兰宁堡，波莫纳，阿戈纳，利文斯通，韦尔特弗里登，阿纳图姆和明尼苏达州。河流沉积物中最常见的血清型是波莫纳、蒙得维的亚和奥兰宁堡。几乎所有的分离株都对红霉素、利福平和青霉素耐药。结论：该研究揭示了肠道沙门氏菌在河流沉积物中的流行和分布，可能代表了在环境中建立和生存的潜在生态位，也可能成为潜在的污染源。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Infection in Developing Countries INFECTIOUS DISEASES-

CiteScore

3.70

自引率

5.30%

发文量

239

审稿时长

4-8 weeks

期刊介绍： The Journal of Infection in Developing Countries (JIDC) is an international journal, intended for the publication of scientific articles from Developing Countries by scientists from Developing Countries. JIDC is an independent, on-line publication with an international editorial board. JIDC is open access with no cost to view or download articles and reasonable cost for publication of research artcles, making JIDC easily availiable to scientists from resource restricted regions.