학술논문
Molecular characterization of antimicrobial-resistant Citrobacter freundii isolated from pet turtles in Korea
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- 영문명
- Molecular characterization of antimicrobial-resistant Citrobacter freundii isolated from pet turtles in Korea
- 발행기관
- 한국예방수의학회
- 저자명
- Masimbule Vidanalage Kasun Sameera Wickramanayake Liyana Arachchilage Dinithi Sandunika De Silva
- 간행물 정보
- 『Journal of Preventive Veterinary Medicine』Vol.46, No.3, 121~130쪽, 전체 10쪽
- 주제분류
- 의약학 > 기타의약학
- 파일형태
- 발행일자
- 2022.09.30
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국문 초록
영문 초록
This study is intended to determine the antimicrobial resistance properties and class 1 integrons of 30 Citrobacter freundii strains isolated from pet turtles in order to determine their threat to human health. Citrobacter freundii isolates were isolated and identified by employing biochemical tests and 16SrRNA gene sequencing. Disc diffusion test and PCR amplification were employed to detect antimicrobial resistance patterns and genes, respectively. Ampicillin, amoxicillin, cephalothin and nalidixic acid resistance were observed among all isolates. Rifampicin and cefoxitin resistance was the second most prevalent and observed in 97% of the isolates, respectively. All isolates scored multiple antimicrobial resistance (MAR) indices ≥ 0.2. Aminoglycoside resistant genes were the most prevalent. aac(3')-IIa was detected in 80% of the isolates followed by aphAI-IAB and strA-strB genes in 33% and 50% of the isolates, respectively. β-lactamase encoding blaTEM, blaCTX and blaSHV genes were detected in 53%, 43% and 17% of the isolates, respectively. tetA and tetB genes were the only tetracycline resistance genes detected in 17% and 10% of the isolates, respectively. Class 1 integron integrase encoding intI1 gene (47%) and dfrA17-aadA5 gene cassette array (7%) were also detected. Pet turtle-borne multidrug-resistant C. freundii is a reservoir of antimicrobial resistance determinants in the domestic environment which poses a risk of infection.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
DECLARATIONS
REFERENCES
키워드
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