Emergence of Salmonella Infantis carrying the pESI-like plasmid from eggs in egg grading and packing plants in Korea

Kim, Min Beom; Lee, Young Ju

doi:10.1016/j.fm.2024.104568

Food Microbiology

2024

DOI: 10.1016/j.fm.2024.104568

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Emergence of Salmonella Infantis carrying the pESI-like plasmid from eggs in egg grading and packing plants in Korea

Min Beom Kim,

Young Ju Lee

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2024

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Cited by 1 publication

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Genetic Characteristics of Multidrug-Resistant Salmonella Isolated from Poultry Meat in South Korea

Kang,

Kim,

Lee

et al. 2024

Microorganisms

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Given the lack of genetic characterization data for multidrug-resistant (MDR) Salmonella in South Korean poultry, we analyzed 53 MDR Salmonella strains from 1232 poultry meat samples (723 chicken, 509 duck) using whole-genome sequencing. Five serotypes were identified: S. Infantis (30/53, 56.6%), S. Enteritidis (11/53, 20.8%), S. Virchow (9/53, 17.0%), S. Agona (2/53, 3.8%), and S. Indiana (1/53, 1.9%). Sequence types (STs) included ST32, ST11, ST16, ST13, and ST17, with three major clusters, each having two subclusters. Eight core genome sequence types (cgSTs) were identified: 225993, 2268, 58360, 150996, 232041, 96964, 117577, and 267045. Salmonella Infantis and S. Enteritidis had two (117577, 267045) and three (225993, 2268, 58360) cgSTs, respectively, whereas S. Virchow showed allelic differences in identical cgSTs. The S. Enteritidis subcluster was classified as chicken or duck. Twenty-eight antimicrobial resistance genes (ARGs), 10 plasmid replicons, 11 Salmonella pathogenicity islands (SPIs), and 230 virulence genes were identified, showing distinct profiles by cluster and subcluster. Salmonella Infantis, the primary MDR Salmonella, carried the IncFIB (pN55391) plasmid, 10–11 ARGs, nine SPIs, and approximately 163 virulence genes. Three major MDR Salmonella serotypes (S. Infantis, S. Enteritidis, and S. Virchow) had specific genetic profiles that can inform epidemiological surveillance.

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Genetic Characteristics of Multidrug-Resistant Salmonella Isolated from Poultry Meat in South Korea

Kang,

Kim,

Lee

et al. 2024

Microorganisms

View full text Add to dashboard Cite

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Emergence of Salmonella Infantis carrying the pESI-like plasmid from eggs in egg grading and packing plants in Korea

Cited by 1 publication

References 71 publications

Genetic Characteristics of Multidrug-Resistant Salmonella Isolated from Poultry Meat in South Korea

Genetic Characteristics of Multidrug-Resistant Salmonella Isolated from Poultry Meat in South Korea

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