Effects and mechanisms of Salmonella plasmid virulence gene spv on host-regulated cell death

Kang, Li; You, Jiayi; Li, Yuanyuan; Huang, Rui; Wu, Shuyan

doi:10.1007/s00284-024-03612-0

Curr Microbiol

2024

DOI: 10.1007/s00284-024-03612-0

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Effects and mechanisms of Salmonella plasmid virulence gene spv on host-regulated cell death

Li Kang,

Jiayi You,

Yuanyuan Li

et al.

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Cited by 2 publications

References 62 publications

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Salmonella: Infection mechanism and control strategies

Lu,

Wu,

et al. 2025

Microbiological Research

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Salmonella: Infection mechanism and control strategies

Lu,

Wu,

et al. 2025

Microbiological Research

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Emergence and Comparative Genome Analysis of Salmonella Ohio Strains from Brown Rats, Poultry, and Swine in Hungary

Szmolka,

Lancz,

Rapcsák

et al. 2024

IJMS

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Rats are particularly important from an epidemiological point of view, because they are regarded as reservoirs for diverse zoonotic pathogens including enteric bacteria. This study is the first to report the emergence of Salmonella serovar Ohio in brown rats (Rattus norvegicus) and food-producing animals in Hungary. We first reveal the genomic diversity of the strains and their phylogenomic relationships in the context of the international collection of S. Ohio genomes. This pathogen was detected in 4.3% (4/92) of rats, captured from multiple sites in Hungary. A whole-genome-based genotype comparison of S. Ohio, Infantis, Enteritidis, and Typhimurium strains showed that 76.4% (117/153) of the virulence and antimicrobial resistance genes were conserved among these serovars, and none of the genes were specific to S. Ohio. All S. Ohio strains lacked virulence and resistance plasmids. The cgMLST phylogenomic comparison highlighted a close genetic relationship between rat and poultry strains of S. Ohio from Hungary. These strains clustered together with the international S. Ohio genomes from aquatic environments. Overall, this study contributes to our understanding of the epidemiology of Salmonella spp. in brown rats and highlights the importance of monitoring to minimize the public health risk of rodent populations. However, further research is needed to understand the route of infection and evolution of this serovar.

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Effects and mechanisms of Salmonella plasmid virulence gene spv on host-regulated cell death

Cited by 2 publications

References 62 publications

Salmonella: Infection mechanism and control strategies

Salmonella: Infection mechanism and control strategies

Emergence and Comparative Genome Analysis of Salmonella Ohio Strains from Brown Rats, Poultry, and Swine in Hungary

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