Characterization of Salmonella spp. and E. coli Strains Isolated from Wild Carnivores in Janos Biosphere Reserve, Mexico

Enterobacteriaceae are considered one the most important zoonotic pathogens. In this study, we analyzed the characteristics of and spp. strains present in carnivores from Janos Biosphere Reserve, Mexico. These microorganisms had been isolated from a wide range of domestic and free-range animals, inc...

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Published in:Animals (Basel) 2022-04, Vol.12 (9), p.1064
Main Authors: López-Islas, Jonathan J, Méndez-Olvera, Estela T, Martínez-Gómez, Daniel, López-Pérez, Andrés M, Orozco, Libertad, Suzan, Gerardo, Eslava, Carlos
Format: Article
Language:English
Subjects:
Animals
Antigens
Bacteria
Biosphere
Carnivores
Desert animals
Disease prevention
E coli
Epidemics
Escherichia coli
Feces
Foxes
Genes
In vitro methods and tests
Infections
Mephitis
Microorganisms
Mortality
Pathogens
Phylogenetics
Public health
Salmonella
Serotypes
Strains (organisms)
Virulence
Zoonoses
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Summary:Enterobacteriaceae are considered one the most important zoonotic pathogens. In this study, we analyzed the characteristics of and spp. strains present in carnivores from Janos Biosphere Reserve, Mexico. These microorganisms had been isolated from a wide range of domestic and free-range animals, including wild carnivores. Fifty-five individuals were sampled, and the presence of and was determined by bacteriological standard methods. Strains isolated were characterized by molecular methods and in vitro infection assays. Eight different species of carnivores were captured, including coyotes ( ), gray fox ( ), desert foxes ( ), striped skunks ( ), hooded skunks ( ), lynxes ( ), raccoons ( ), and badgers ( ). spp. and were isolated from four species of carnivores. Five spp. strains were isolated, and their molecular characterization revealed in three of them the presence of fimbrial and virulence genes associated with cell invasion. In vitro evaluation of these strains showed their capability to invade human Hep2 cells. Sixty-one strains were isolated; different serotypes and phylogroups were observed from these strains. Additionally, the presence of virulence genes showed differently.
ISSN:2076-2615
2076-2615
DOI:10.3390/ani12091064