DEMONSTRATION OF A BIMODAL COAGGREGATION REACTION BETWEEN PORPHYROMONAS-GINGIVALIS AND TREPONEMA-DENTICOLA

被引：64

作者：

GRENIER, D

机构：

[1] Département de Santé Buccale, Faculté de Médecine Dentaire, Université de Montréal, Montréal, Québec

来源：

ORAL MICROBIOLOGY AND IMMUNOLOGY | 1992年 / 7卷 / 05期

关键词：

COAGGREGATION; ADHERENCE; TREPONEMA-DENTICOLA; PORPHYROMONAS-GINGIVALIS;

D O I：

10.1111/j.1399-302X.1992.tb00589.x

中图分类号：

R78 [口腔科学];

学科分类号：

1003 ;

摘要：

This study demonstrates a strong coaggregation reaction between 2 suspected periodontopathogens: Porphyromonas gingivalis and Treponema denticola. Other black-pigmented oral bacterial species tested did not coaggregate with T. denticola. This specific interbacterial aggregation was bimodal, since heating of both cell types was required to completely eliminate the reaction. The coaggregation reaction occurred between pH 4 and 9. Under some conditions, arginine and D-galactosamine were effective in preventing the coaggregation. The heat-sensitive receptor on P gingivalis was found to be loosely bound and could be released by a light ultrasonic treatment of the cells. It is suggested that the bacterial interaction described may participate in the establishment of a potentially pathogenic subgingival plaque.

引用

页码：280 / 284

页数：5

共 25 条

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