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Clinico-pathological Features of Chlamydophila psittaci Infection in Parrots and Genetic Characterization of the Isolates

Chlamydophila psittaci에 감염된 앵무새의 임상병리학적 특징과 원인균의 ompA 유전자 비교분석

  • Kim, Il-Hwan (College of Veterinary Medicine and Veterinary Research Institute, Seoul National University) ;
  • Jang, Jin-Wook (College of Veterinary Medicine and Veterinary Research Institute, Seoul National University) ;
  • Lee, Su-Hyung (College of Veterinary Medicine and Veterinary Research Institute, Seoul National University) ;
  • Kim, Dae-Yong (College of Veterinary Medicine and Veterinary Research Institute, Seoul National University) ;
  • Seong, Won-Jin (College of Veterinary Medicine and Veterinary Research Institute, Seoul National University) ;
  • Kwon, Hyuk-Joon (College of Veterinary Medicine and Veterinary Research Institute, Seoul National University) ;
  • Kim, Jae-Hong (College of Veterinary Medicine and Veterinary Research Institute, Seoul National University)
  • 김일환 (서울대학교 수의과대학 및 수의과학연구소) ;
  • 장진욱 (서울대학교 수의과대학 및 수의과학연구소) ;
  • 이수형 (서울대학교 수의과대학 및 수의과학연구소) ;
  • 김대용 (서울대학교 수의과대학 및 수의과학연구소) ;
  • 성원진 (서울대학교 수의과대학 및 수의과학연구소) ;
  • 권혁준 (서울대학교 수의과대학 및 수의과학연구소) ;
  • 김재홍 (서울대학교 수의과대학 및 수의과학연구소)
  • Received : 2012.08.22
  • Accepted : 2012.09.20
  • Published : 2012.09.30

Abstract

Avian chlamydiosis is caused by Chlamydophila psittaci and considered as one of an important zoonotic disease throughout the world. Among more than 400 avian species including poultry and pet birds susceptible to the disease, psittacine birds were known to be mostly susceptible hosts. In Korea, no outbreak of the disease and genetic analysis of the agent in poultry and pet birds have been reported. With histopathological findings and genetic identification of a causative agent, avian chlamydiosis was identified in parrots submitted from the same pet bird farm in 2006 and 2009 for the diagnosis. Based on genetic sequences and phylogenetic analysis of ompA gene, the two isolates of Chlamydophila psittaci showed 100% of genetic similarity and belonged to genotype A, suggesting that the same agent might be continuously circulated in the farm. This result indicates that serological survey of the disease in pet bird farms and impact of the disease on significance in public health may be further studied.