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KMID : 1120220170080030211
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Osong Public Health and Research Perspectives
2017 Volume.8 No. 3 p.211 ~ p.219
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Antibiotic Resistance Patterns and Serotypes of Salmonella spp. Isolated at Jeollanam-do in Korea
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Yoon Ki-Bok
Song Byung-Joon
Shin Mi-Yeong
Lim Hyun-Cheol
Yoon Yeon-Hee
Jeon Doo-Young
Ha Hoon
Yang Soo-In
Kim Jung-Beom
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Abstract
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Objectives: Few long-term studies have been conducted on the serotype and antibiotic resistance patterns of Salmonella speices (spp.) The aim of this study was to determine the serotypes and antibiotic resistance patterns of Salmonella spp. isolated at Jeollanam-do in Korea from 2004 to 2014.
Methods: A total of 276 Salmonella samples were evaluated. Serotyping was carried out according to the Kauffmann?White scheme. Antibiotic susceptibility was determined using the Vitek II system with an AST-N169 card.
Results: A total of 22 different serotypes were identified, and the major serotypes were Salmonella Enteritidis (116 strains, 42.0%) and Salmonella Typhimurium (60 strains, 21.7%). The highest resistance was observed in response to nalidixic acid (43.4%), followed by ampicillin (40.5%) and tetracycline (31.6%). Resistance to nalidixic acid was detected in 81.0% of S. Enteritidis. Multidrug resistance was detected in 43.3% of Salmonella spp. S. Enteritidis and S. Typhimurium presented the highest resistance (98.3%) and multidrug resistance rate (73.3%), respectively. The most highly observed antibiotic resistance pattern among Salmonella spp. in this study was ampicillin-chloramphenicol (14 strains, 5.7%),
Conclusion: Overall, S. Enteritidis and S. Typhimurium showed higher antibiotic resistance than the other Salmonella serotypes tested in this study. Our study will provide useful information for investigating the sources of Salmonella infections, as well as selecting effective antibiotics for treatment.
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KEYWORD
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Salmonella spp., antibiotic susceptibility, serotype
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