Publication: Antibiotic resistance profile and association with integron type i among salmonella enterica isolates in Thailand
Issued Date
2020-12-01
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ISSN
2581690X
09737510
09737510
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2-s2.0-85099034430
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of Pure and Applied Microbiology. Vol.14, No.4 (2020), 2383-2397
Suggested Citation
Nartlada Onvimol, Phanita Chankate, Yuvadee Mahakhunkijcharoen, Thareerat Kalambaheti Antibiotic resistance profile and association with integron type i among salmonella enterica isolates in Thailand. Journal of Pure and Applied Microbiology. Vol.14, No.4 (2020), 2383-2397. doi:10.22207/JPAM.14.4.16 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/60873
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Title
Antibiotic resistance profile and association with integron type i among salmonella enterica isolates in Thailand
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Abstract
© The Author(s) 2020. Salmonella infection is the second most common cause of diarrhea in Thailand; however, the data on antimicrobial resistance is limited. There were137 Salmonella strains, isolated from patients and 126 strains isolated from chicken meat, collected from Nonthaburi, Thailand during 2002. The top five serotypes of patients isolates were Enteritidis (22%), Typhimurium (11%), Weltevreden (8.8%), Rissen (8%), and Choleraesuis (6.6%) while the top five serotypes of chicken meat isolates were found as follows: Schwarzengrund (11.91%), Hadar (11.11%), Rissen (8.73%), Amsterdam (7.94%), and Anatum (7.94%). Salmonella strains were most resistance to the class of antibiotics that act as inhibitor to nucleic acid synthesis such as antifolates group (Trimethoprim;SXT) and fluoroquinolones (Nalidixic acid; NA, Ciprofloxacin; CIP),while the β lactam antibiotic was more effective, i.e. the 3rd gen cephalosporin (Ceftazidime; CAZ, Cefotaxime; CTX), Monobactam (Aztreonam; ATM) and carbapenams group (Imipenem; IMP, Meropenem; MEM). The role of class I integron element in transmission of the resistance gene was revealed by detection the gene cassette associated with a class 1 integron in plasmid preparation among 80% of the isolated strains. The gene cassettes containing resistant genes of dhfrA12 (resistant to trimethoprim) and aadA2 (resistant to streptomycin and spectinomycin), were detected more frequently in the resistant strains. These gene cassettes were likely to be transmitted via plasmid, as it could not be detected in genomic DNA.