Redondoviridae and periodontitis: a case control study and identification of five novel redondoviruses from periodontal tissues

文献类型： 外文期刊

第一作者： Zhang, Yu

作者： Zhang, Yu;Feng, Xiping;Chen, Xi;Wang, Chunmei;Zhang, Yu;Feng, Xiping;Chen, Xi;Zhang, Yu;Feng, Xiping;Chen, Xi;Zhang, Yu;Feng, Xiping;Chen, Xi;Zhang, Wen

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关键词： periodontitis; Redondoviridae; epidemiological study; novel redondoviruses

期刊名称：VIRUS EVOLUTION （ 影响因子：7.989； 五年影响因子：9.413 ）

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年卷期： 2021 年 7 卷 1 期

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收录情况： SCI

摘要： Redondoviridae is a family of DNA viruses recently identified in the human oro-respiratory tract. However, the characteristics of this new virus family are not yet fully understood. The aim of the present study was to investigate the relationship between redondoviruses and chronic periodontitis. In addition, the complete circular genome, phylogenetic relationship, and biological characteristics of novel redondoviruses were analyzed. The gingival tissues of healthy individuals (n =120) and periodontitis patients (n = 120) were analyzed using nested polymerase chain reaction assays. The prevalence of redondovirus infection in the periodontitis group was 71.67%. Logistic regression analysis revealed an association between redondoviruses and chronic periodontitis after controlling the confounding factors (odds ratio = 2.53). Five novel redondoviruses, named 'human periodontal circular-like virus (HPeCV)', were identified in patients with periodontitis and detailed genetic analysis of the viruses was performed. The 3,035-3,056 by genome contained a capsid protein, a replication-associated protein, an open reading frame 3 protein, and a stem-loop structure. Phylogenetic analysis demonstrated that HPeCV-1, HPeCV-10, and HPeCV-25 formed a cluster. Recombination may be common in the genomes of HPeCVs. Potential antigenic epitopes in the capsid protein, which may be involved in the host immune response, were predicted. In conclusion, periodontitis patients had a significantly higher prevalence of redondoviruses than healthy controls. Genetic characterization enhanced the current understanding of the genetic diversity and pathogenicity of redondoviruses as well as their association with periodontitis in humans. The data presented in this article will expand the current understanding of the epidemiology, genetic diversity, and pathogenicity of redondoviruses.

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[1]Redondoviridae and periodontitis: a case-control study and identification of five novel redondoviruses from periodontal tissues. Zhang, Yu,Feng, Xiping,Chen, Xi,Wang, Chunmei,Zhang, Yu,Feng, Xiping,Chen, Xi,Zhang, Yu,Feng, Xiping,Chen, Xi,Zhang, Yu,Feng, Xiping,Chen, Xi,Zhang, Wen. 2021

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