Subgingival microbiome in periodontal disease and comorbid pathology (meta-analysis)
2024
Tatyana V. Tsareva | Irina P. Balmasova | Victor N. Tsarev
The problem of chronic periodontitis (CP) is actively discussed due to the recognition of the fact that periodontal microbial damage is closely related to a number of systemic diseases and probably plays an important role in the occurrence of comorbid pathology. The aim of the meta-analysis was to characterize the composition of the subgingival microbiome and to determine the peculiarities of the formation of associations of the new periodontal pathogen Filifactor alocis with other I and II order periodontal pathogenic bacteria, as well as with the commensal bacteria colonizing this biotope. The study presents data of patient examination with obligatory use of polymerase chain reaction methods and sequencing of 16S rRNA genes in 1529 healthy individuals and 2394 patients with CP, 136 patients with CP and concomitant atherosclerosis, 258 patients with CP and concomitant type 2 diabetes mellitus. It was confirmed that the basis of the oral microbiome under normal circumstances is composed of representatives of microaerophilic streptococci, corynebacteria, lactobacilli, as well as representatives of the Veillonella and Sphingobacterium genera. 16S sequencing and bioinformatic analysis allowed us to specify the taxonomic place of the new pathogen F. alocis, as well as representatives of normal microbiota in CP and comorbid somatic pathology.
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