Hemolytic toxin produced by Porphyromonas gingivalis |
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| Authors: | Masakazu Hoshi Iwao Kato Nobuichi Goto Kohji Hasegawa |
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| Affiliation: | Department of Periodontics, Showa University Dental School, 2-1-1 Kitasenzoku, Ohta-ku, Tokyo 145, Japan; Department of Oral Microbiology, Showa University Dental School, 2-1-1 Kitasenzoku, Ohta-ku, Tokyo 145, Japan |
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| Abstract: | Abstract Porphyromonas gingivalis no. 381 and ATCC 33277 produced an extracellular hemolytic toxin which was heat-labile, trypsin-sensitive, and lytic to human, horse, sheep and rabbit erythrocytes. The hemolytic toxin is a 'hot-cold', thiol-independent toxin. The production of the hemolytic toxin was greatly enhanced by addition of hemoglobin to the culture medium. |
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| Keywords: | Hemolytic toxin Hemolysis Porhyromonas gingivalis |
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