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KMID : 0613819970070020079
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Journal of Life Science
1997 Volume.7 No. 2 p.79 ~ p.87
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Purification and Characterization of Endotoxin from Vibrio vulnificus
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Abstract
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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.
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