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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 897 - 902 (6page)
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초록· 키워드
오류제보하기
Although Streptococcus parauberis is the major bacterial pathogen affecting olive flounder, the translocation and dissemination of this pathogen in infected fish are not well understood. Therefore, we conducted real-time PCR and histopathologic examination to monitor the intensity of infection in multiple organs of the olive flounder after challenge with S. parauberis through subcutaneous injection. The bacterial burden in the fish kidney, when sampled at 0, 3, and 7 dpc, was 0, 6.2 ± 4.5 × 105, and 6.7 ± 5.5 × 106 CFU/100 mg of tissue, respectively, indicating that the infection progressed rapidly over time. Of the ten different tissues sampled, the heart and the brain were the major target organs of S. parauberis based on highest copy number as detected by our modified real-time PCR method. Histopathologic examination also showed that S. parauberis caused severe inflammation accompanied by leucocyte infiltration, connective tissue expansion, and a loss of cardiomyocytes in the brain and heart of fish sampled at dpc 7. However, the number of S. parauberis-positive fish at 3 dpc was much higher in the spleen (6/8 fish) than in the remaining organs, suggesting that the spleen is targeted in the early stages of infection relative to the heart (2/8 fish) or brain (3/8 fish). This study provides essential information for studies to find treatments for the effective elimination of S. parauberis in target organs (i.e., the brain and heart) of olive flounder.
목차
등록된 정보가 없습니다.
참고문헌 (19)
참고문헌 신청
백근욱 / 2006 / Isolation and characterization of Streptococcus sp.from diseased flounder (Paralichthys olivaceus )in Jeju Island / Journal of Veterinary Science 7(1):53~58
Bowater RO / 2012 / Natural outbreak of Streptococcus agalactiae (GBS)infection in wild giant Queensland grouper, Epinephelus lanceolatus (Bloch), and other wild fish in northern Queensland, Australia / J Fish Dis 35:173~186
Chen DF / 2011 / Pathological changes in cultured channel catfish Ictalurus punctatus spontaneously infected with Streptococcus iniae / Dis Aquat Organ 95:203~208
최희정 / 2009 / 양식 넙치, Paralichthys olivaceus에서 분리한 연쇄구균증 원인균, Streptococcus parauberis의 병원성 / 한국어병학회지 22(3):263~273
Domeénech A / 1996 / Streptococcosis in cultured turbot Scophthalmus maxiums (L.), associated with Streptococcus parauberis / J Fish Dis 19:33~38
Bowater RO / 2012 / Natural outbreak of Streptococcus agalactiae (GBS)infection in wild giant Queensland grouper, Epinephelus lanceolatus (Bloch), and other wild fish in northern Queensland, Australia / J Fish Dis 35:173~186
Chen DF / 2011 / Pathological changes in cultured channel catfish Ictalurus punctatus spontaneously infected with Streptococcus iniae / Dis Aquat Organ 95:203~208
최희정 / 2009 / 양식 넙치, Paralichthys olivaceus에서 분리한 연쇄구균증 원인균, Streptococcus parauberis의 병원성 / 한국어병학회지 22(3):263~273
Domeénech A / 1996 / Streptococcosis in cultured turbot Scophthalmus maxiums (L.), associated with Streptococcus parauberis / J Fish Dis 19:33~38
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