Serotype Distribution and Antimicrobial Resistance of Salmonella Isolates in Seoul,  2020-2022

Young Hee Jin; Young A Yu; Mi Ok Song; Eun Young Kwon; Jin Kyoung Kim; Hyo Sun Suh; So Yune Baek; Eun Sung Kim; Young Ok Hwang; Jib Ho Lee

doi:10.4167/jbv.2023.53.2.131

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2023 Vol.53, Issue 2 Preview Page Next Page

Original Article

Serotype Distribution and Antimicrobial Resistance of Salmonella Isolates in Seoul, 2020-2022

31 December 2023. pp. 131-140

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Abstract

Salmonella enterica is the most representative water and foodborne disease pathogen in Korea and worldwide. This study investigated the serotype distribution and antimicrobial resistance of Salmonella isolated in Seoul between 2020 and 2022. A total of 494 Salmonella strains were isolated in three years. The identified Salmonella strains showed 61 serotypes, the most common being Enteritids 138 (27.9%), followed by I 4,[5],12:i:- 61 (12.3%), Typhimurium 57 (11.5.%), Infantis 50 (10.1%), and Bareilly 27 (5.5%), which accounted for 67.4% of the total serotypes. As a result of antimicrobial susceptibility test of Salmonella, the antimicrobials with high resistance rates were nalidixic acid (36%), ampicillin (33.2%), ampicillin/sulbactam (28.5%), tetracycline (26.1%). Characteristically, the antimicrobial resistance patterns were different for each serotypes, and I 4,[5],12:i:- had the highest antimicrobial resistance rate among the major serotypes. In addition, the pattern of antimicrobial multidrug resistance (MDR) showed a clear difference in serotypes. Serotype I 4,[5],12:i:- demonstrated the highest MDR rate (77. 0%), and showed the most diverse types of resistance. In conclusion, the characteristic of Salmonella isolated from Seoul during 2020- 2022 is that various serotypes have been identified every year, and the proportion of Salmonella I 4,[5],12:i:- with high antimicrobial resistance is increasing compared to Salmonella Typhimurim.

Keywords

Salmonella

Serotype

Antimicrobial resistance

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Information

Publisher :The Korean Society for Microbiology and The Korean Society of Virology
Publisher(Ko) :대한미생물학회‧대한바이러스학회
Journal Title :JOURNAL OF BACTERIOLOGY AND VIROLOGY
Volume : 53
No :2
Pages :131-140
Received Date : 2023-09-04
Revised Date : 2023-11-15
Accepted Date : 2023-11-20
DOI :https://doi.org/10.4167/jbv.2023.53.2.131

JOURNAL OF BACTERIOLOGY AND VIROLOGY ISSN:1598-2467(Print) 2093-0429(Online)

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