대한수의학회지 (Korean Journal of Veterinary Research)

  • 제43권2호
  • /
  • Pages.219-230
  • /
  • 2003
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  • 2466-1384(pISSN)
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  • 2466-1392(eISSN)
대한수의학회 (The Korean Society of Veterinary Science)
권호 표지

돼지 유행성 설사 바이러스 국내분리주의 유전학적 특성 규명

Genetic Characteristics of Porcine Epidemic Diarrhea Virus Isolated in Korea

  • Chi, Yong-zhe (Department of Veterinary Medicine, Kangwon National University) ;
  • Kwon, Hyuk-moo (Department of Veterinary Medicine, Kangwon National University) ;
  • Jeong, Hyun-kyu (Dodram Pig Farmers' Co-operative) ;
  • Han, Jeong-hee (Department of Veterinary Medicine, Kangwon National University)
  • 심사 : 2003.04.03
  • 발행 : 2003.06.30
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초록

Porcine epidemic diarrhea virus(PED), a member of Coronaviridea, is the etiological agent of enteropathogenic diarrhea in swine. The purpose of this study was to investigate genetic characteristic of PEDV isolated in Korea. Nucleocapsid(N) gene and membrane (M) gene of recent Korean PEDV strains isolated in 2001 were amplified, cloned, sequenced and analyzed. N gene of seven Korean PEDV field isolates bad 94.5% to 99.4% nucleotide and 92.4% to 99.4% amino acid sequence homology each other. Nucleotide and amino acid sequences of Korean field PEDVs were different from published foreign PEDVs, showing 95.1% to 98.0% nucleotide and 93.5% to 97.6% amino acid sequence homology. By phylogenetic tree analysis on based nucleotide sequences, PEDVs were clustered into four groups. By phylogenetic tree analysis based on amino acid sequences. PEDVs were clustered into five groups. M gene of our Korean PEDV field isolates had 99.6% to 100% nucleotide and 98.7% to 100% amino acid sequence homology each other. Nuclotide and amino acid sequences of Korean field PEDVs were different from published foreign PEDVs, showing 98.5% to 98.8% nucleotide and 97.3% to 97.8% amino acid sequence homology. By phylogenetic tree analysis based on nucleotide and amino acid sequences, PEDVs were clustered into two groups which were Korean PEDV isolate group and foreign PEDV isolate group.

키워드

참고문헌

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