Distribution of Porphyromonas gingivalis fimA genotypes in isolates from subgingival plaque and blood sample during bacteremia

被引:0
作者
Juliana Perez-Chaparro, Paula [1 ,2 ]
Ines Lafaurie, Gloria [2 ]
Gracieux, Patrice [1 ]
Meuric, Vincent [1 ]
Tamanai-Shacoori, Zohreh [1 ]
Eduardo Castellanos, Jaime [3 ]
Bonnaure-Mallet, Martine [1 ]
机构
[1] Univ Rennes, Equipe Microbiol, Rennes, France
[2] Univ El Bosque, Basic Oral Res Unit Inst, Bogota, DC, Colombia
[3] Univ El Bosque, Inst Virol, Bogota, DC, Colombia
来源
BIOMEDICA | 2009年 / 29卷 / 02期
关键词
Porphyromonas gingivalis; bacteremia; periodontitis; polymerase chain reaction; EPITHELIAL-CELLS; GENOME SEQUENCE; PERIODONTITIS; PREVALENCE; FIMBRILLIN; ACTIVATION; PATHOGENS; STRAINS; RISK; GENE;
D O I
暂无
中图分类号
R188.11 [热带医学];
学科分类号
摘要
Introduction. Porphyromonas gingivalis is considered as a major etiological agent in the onset and progression of chronic destructive periodontitis. Porphyromonus gingivalis fimA type has been correlated to the virulence potential of the strain; therefore this gene could be involved in the ability of P. gingivalis to reach blood stream. Objective. The classifications of P. gingivalis fimA types will be compared in subgingival plaque and blood samples collected after scaling and root root planing of periodontitis patients. Materials and methods. Fifteen periodontitis patients requiring scaling and root planing were enrolled. P. gingivalis isolates were classed to genotype with fimA type-specific PCR assay. fimA gene was sequenced if the isolate was listed as unclassifiable after PCR technique. Results. Six patients showed positive P. gingivalis bacteremia. The most frequent fimA was fimA type II, followed by Ib, III and IV. In blood strains, type II was followed by IV, Ib and III. Conclusion. Type II was the most frequent genotype in blood samples and in subgingival plaque samples. However, no correlation was found between the frequency of any fimA type with SRP induced bacteremia. P. gingivalis fimA type appears to be conserved within individual patients throughout the times of sample collection. fimA gene sequence results were not in agreement with results of fimA genotyping by PCR.
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页码:298 / 306
页数:9
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