Dataset Information

Complete Genome Sequence of Human Oral Phylogroup 1 Treponema sp. Strain OMZ 804 (ATCC 700766), Originally Isolated from Periodontitis Dental Plaque.

ABSTRACT: Host-associated treponeme bacteria play etiological roles in human and animal soft tissue infections. Treponema sp. strain OMZ 804 (ATCC 700766) was isolated from dental plaque sampled from a patient with periodontitis in Switzerland in 1994. We report here the complete genome sequence of its 2.98-Mb circular chromosome.

SUBMITTER: Chan Y

PROVIDER: S-EPMC7256273 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Publications

Complete Genome Sequence of Human Oral Phylogroup 1 <i>Treponema</i> sp. Strain OMZ 804 (ATCC 700766), Originally Isolated from Periodontitis Dental Plaque.

Chan Yuki Y Huo Yong-Biao YB Yu Xiaolin X Zeng Huihui H Leung Wai Keung WK Watt Rory M RM

Microbiology resource announcements 20200528 22

Host-associated treponeme bacteria play etiological roles in human and animal soft tissue infections. <i>Treponema</i> sp. strain OMZ 804 (ATCC 700766) was isolated from dental plaque sampled from a patient with periodontitis in Switzerland in 1994. We report here the complete genome sequence of its 2.98-Mb circular chromosome. ...[more]

PMID: 32467286

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Project description:Background/aimAtrial fibrillation (AF) is a major health problem and causes heart failure and stroke. Pathophysiological mechanisms indicate a link with oral health including periodontitis (PD), but supporting data are scarce. The aim was to investigate the link between features of oral health and the prevalence of AF.MethodsThis cross-sectional analysis of the Hamburg City Health Study included 5,634 participants with complete data on their PD and AF status. AF was assessed via self-reported questionnaire or medically diagnosed by standard 12-lead resting ECG. The oral health examination included full-mouth measurements of the dental plaque index (PI), the clinical attachment loss (CAL) at 6 sites per tooth, the bleeding on probing (BOP) and the decayed, missing and filled teeth (DMFT) index. Descriptive analyses for all variables stratified by the status of PD were performed. To test for an association between prevalent PD and prevalent AF, multivariable logistic regression models were used. Mediation analysis was used to test if interleukin-6 (IL-6) and/or C-reactive protein (CRP) mediated the association between PD and AF.ResultsAtrial fibrillation (prevalence: 5.6%) and the severity of PD (prevalence: moderate: 57.7%, severe: 18.9%) increased with age in men and women. Prevalent severe PD, CAL ≥3 mm, PI, and BOP were all associated with prevalent AF in unadjusted regression analysis. However, no association except for PI (odds ratio (OR): 1.22, 95% confidence interval (CI): 1.1-1.35, p<0.001) could be observed after adjusting for age, sex, high-sensitivity C-reactive protein (hs-CRP), interleukin-6 (IL-6), body mass index, diabetes, smoking, and educational level. Participants brushing their teeth at least twice daily had a lower AF prevalence compared with those brushing only once daily. Hs-CRP, IL-6, and the odds of AF increased as a function of PD severity grades in unadjusted analysis. However, neither the DMFT index nor IL-6 or CRP was associated with AF after adjusting for age and sex. Mediation analyses could not provide support for the hypothesis that IL-6 or CRP acted as mediator of the association between prevalent PD and prevalent AF.ConclusionThe study shows an association between prevalent AF and increased dental plaque levels indicated by a higher PI. In contrast, an association of prevalent PD with prevalent AF after adjustments for several confounders could not be demonstrated. Further studies are necessary to investigate the mechanisms underlying poor oral hygiene and AF as well as the influence of improved oral hygiene on AF onset.

Dataset Information

Complete Genome Sequence of Human Oral Phylogroup 1 Treponema sp. Strain OMZ 804 (ATCC 700766), Originally Isolated from Periodontitis Dental Plaque.

Publications

Complete Genome Sequence of Human Oral Phylogroup 1 <i>Treponema</i> sp. Strain OMZ 804 (ATCC 700766), Originally Isolated from Periodontitis Dental Plaque.

Similar Datasets

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