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( Sabrina Hossain ),( Sudu Hakuruge Madusha Pramud Wimalasena ),( Mahanama De Zoysa ),( Gang-joon Heo ) 대한인수공통전염병학회 2016 창립총회 및 학술대회 초록집 Vol.2016 No.1
Introduction: Pet turtles are known as a source of bacterial infection to humans when handled in captivity. Pet turtle rearing has become increasingly popular worldwide. However, turtles carry many pathogenic enteric bacteria which have been classically associated with warm-blooded animals including humans. Citrobacter spp. can be responsible for Citrobacter infection in humans if the owner fails to handle a pet turtle with care. The bacteria can be transmitted by physical contact with the infected turtles or through contaminated environments such as water and soil in turtle cages. Methods: 34 turtles purchased from nine pet shops and eight online markets in Korea were examined to determine whether the turtles and their environment such as soil and water were contaminated with Citrobacter spp. Biochemical tests and morphology revealed that Citrobacter spp. were isolated from samples. Presumptive isolates were identified through 16S rRNA gene sequencing. Each of the isolate`s antibiotic resistance was characterized with a disk diffusion test. Results: Citrobacter spp. were isolated from 7 of 34 (20.6%) fecal samples. Five were identified as C. freundii and two as unknown Citrobacter spp. through 16S rRNA sequencing. The isolation rate of Citrobacter spp. from their environment increased over time. All seven Citrobacter spp. strains showed susceptibility against most of the commonly used veterinary antibiotics. Every Citrobacter strain was susceptible to amikacin, ceftriaxone, ciprofloxacin, imipenem, sulfamethoxazole/ trimethoprim and tetracycline but resistant to cefoxitin, cephalotin and chloramphenicol. All were resistant to amoxicillin and ampicillin except one isolate, which showed intermediate resistance. Conclusion: This study concluded that some pet turtles sold in Korea are carriers of Citrobacter spp. Awareness of pathogenic bacteria when handling pet animals like turtles to prevent their transmission is an important public health concern. Therefore, further studies should be performed to genetically characterize these isolates as well as other harmful human pathogenic bacteria isolated from the pet turtles.