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March 25, 2026Foodborne Pathogens and Disease0 citations

Prevalence, Antimicrobial Resistance, and Genomic Characterization of Salmonella Typhimurium Isolated in Hengyang, China (2020–2023)

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ZLZheng LiuSCSaihong CaoLXL F Xu

Key Points

  • The aim is to analyze the prevalence, antimicrobial resistance, and genomic characteristics of Salmonella Typhimurium in Hengyang.
  • Isolate Salmonella Typhimurium strains from samples collected in Hengyang.
  • Conduct genomic characterization to identify resistance genes and virulence factors.
  • Analyze phylogenetic relationships with other strains from southern and eastern China.
  • Salmonella Typhimurium ST34 was identified as the dominant multidrug-resistant lineage.
  • The strain exhibited a larger resistome compared to others.
  • Unique virulence factors were associated with local strains and their close phylogenetic relationships indicate regional dissemination.

Abstract

Salmonella Typhimurium ST34 is the dominant multidrug-resistant lineage in Hengyang, characterized by a larger resistome and unique virulence factors. Its close phylogenetic relationship with strains from southern and eastern China, combined with active mobile genetic elements, underscores its role in regional dissemination and adaptive evolution.

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Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/69c37b81b34aaaeb1a67e0a8https://doi.org/10.1177/15353141261435243
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