Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Purification and Characterization of Endotoxin from Vibrio vulnificus

비브리오 패혈증균의 균체내독소 정제 및 특성에 관하여

  • 김영만 (동의대학교 식품영양학과) ;
  • 정현정 (동의대학교 식품영양학과) ;
  • 신일식 (강릉대학교 생명과학부)
  • Published : 1997.06.01
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Abstract

To determine the cause of Vibrio septicemia by understanding the characteristics endotoxin from Vibrio vulnificus, lethal dose, heat resistance and vascular permeability enhancing activity were svaluated using vegestative cell and cell homogenate and the result is as follows: 1. Vibrio vulnificus CDC B3547 of patient origin did not exihibit any significant difference in toxicity compared to Vibrio vulnificus B57 of enviroment origin. 2. Strong toxicity was observed when viable cell count of Vibrio vulnificus CDC B3547 was more than 10$^{7}$/ml. 3. Toxicity of cell homogenate was completely inactivited upon geating at 80$^{\circ}$C for 20min. 4. Cell homogenate did not show hemolyic activity but was acknowleged to have cytotoxicity. 5. Major lethal toxin against mouse was existed in Vibrio vulnificus CDC B3547; however, separation of LPS and LPS-protein complex was not successful using the current technique.

vibrio vulnificus의 균체내독소의 특성을 파악하여 비브리오 패혈증의 발병원인 구명을 위한 자료를 제공하고자 생균과 균체파쇄액의 치사독성과 내열성 및 혈관투과성항진작용을 실험한 결과는 다음과 같다. 1. 환자분리균(V.vulnificus CDC B3547)과 환경분리균(V.vulnificus B57)의 독력은 차이가 없었다. 2. V.vulnificus의 균수가 $10^{7}$/ml 이상일 때 강한 치사독력이 나타났다. 3. 균체파쇄액이 독성은 80$^{\circ}$C 20분에 완전히 불활성화 되었다. 4. 균체파쇄액은 용혈성은 없었으나 세포독성은 인정되었다. 5. V.vulnificus의 새앙주에 대한 주 치사독소는 균체 내에 존해했으나 LPS와 LPprotein complex는 기존의 방법으로 분리할 수 없었다.

Keywords

References

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