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Fusobacterium nucleatum의 적혈구응집 및 세균간 응집반응에 관한 연구
최화석,김각균,최선진 대한구강생물학회 1986 International Journal of Oral Biology Vol.10 No.1
The investigation was carried out to examine the ability of Fusobacterium nucleatum to hemagglutinate human erythrocytes and to aggregate with certain gram positive bacteria. Both whole becterial cells and outer membrane preparations of F. nucleatum were utilized. The effects of human serum, saliva as well as heating of the whole cells on both hemagglutination and bacterial aggregation were also studied. F. nucleatum whole cells had a fairly high hemagglutinating titer, and the heat-treated cells showed either a complete loss or a decrease of the titer depending on the trmperature employed. Normal human saliva, but not serum inhibited the hemagglutination activity to a certain degree. The outer membrane preparations from F.nucleatum failed to show any ability of hemagglutination. Whole cells of F. nucleatum showed the ability to aggregate with both Actinomyces viscosus and streptococcus sanguis, but the outer membrane extracts failed to do so. Neither the normal human saliva nor serum exerted any effect on the bacterial aggregation. The slab SDS-PAGE disc electrophoresis of the material extracted from F. nucleatum outer membrane revealed 4 major protein bands of molecular weight 58,000, 49,000, 40,000, and 36,000 dalton.