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Article

Gene subtype analysis of Treponema pallidum for drug resistance to azithromycin

  • Authors:
    • Yuecui Li
    • Jin Li
    • Weiyue Hu
    • Hongxia Luo
    • Jing Zhou
    • Chenghang Li
    • Chunjiao Chen
  • View Affiliations / Copyright

    Affiliations: Department of Infectious Diseases, The First People's Hospital of Yongkang, Yongkang, Zhejiang 321300, P.R. China
  • Pages: 1009-1013
    |
    Published online on: May 30, 2018
       https://doi.org/10.3892/etm.2018.6241
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Abstract

Azithromycin has been widely used for the treatment of Treponema pallidum. However, the drug resistance of T. pallidum for azithromycin is currently increasing. The aim of the present study was to analyze the association between gene subtypes of T. pallidum and drug resistance for azithromycin. The gene subtypes of T. pallidum were assayed by a polymerase chain reaction technique. Drug resistance of T. pallidum was analyzed using an antimicrobial susceptibility test. The results demonstrated that gene type tpr presented higher drug resistance compared with arp and tp0548 gene types of T. pallidum. Gene type tpr was identified as eight gene subtypes (14a/f, 14e/f, 12e/f, 12d/f, 6d/f, 11d/f, 14j/f and 8d/f) among 324 cases. It was identified that 23S rRNA A2058G mutation was observed in gene subtypes 14a/f, 14e/f and 12e/f. A2059G mutation occurred in the gene subtypes 8d/f, 12d/f, 6d/f, 11d/f and 14j/f. The proportions of azithromycin‑resistant genotypes harboring either the A2058G or the A2059G mutation among the T. pallidum strains were 34.2 and 65.8%, respectively. The antimicrobial susceptibility test demonstrated that A2059G mutations exhibited a higher drug resistance for azithromycin compared with A2058G mutations. In conclusion, these results indicate that azithromycin resistance in T. pallidum is associated with gene subtype, which may contribute to the treatment of T. pallidum.
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Copy and paste a formatted citation
Spandidos Publications style
Li Y, Li J, Hu W, Luo H, Zhou J, Li C and Chen C: Gene subtype analysis of Treponema pallidum for drug resistance to azithromycin. Exp Ther Med 16: 1009-1013, 2018.
APA
Li, Y., Li, J., Hu, W., Luo, H., Zhou, J., Li, C., & Chen, C. (2018). Gene subtype analysis of Treponema pallidum for drug resistance to azithromycin. Experimental and Therapeutic Medicine, 16, 1009-1013. https://doi.org/10.3892/etm.2018.6241
MLA
Li, Y., Li, J., Hu, W., Luo, H., Zhou, J., Li, C., Chen, C."Gene subtype analysis of Treponema pallidum for drug resistance to azithromycin". Experimental and Therapeutic Medicine 16.2 (2018): 1009-1013.
Chicago
Li, Y., Li, J., Hu, W., Luo, H., Zhou, J., Li, C., Chen, C."Gene subtype analysis of Treponema pallidum for drug resistance to azithromycin". Experimental and Therapeutic Medicine 16, no. 2 (2018): 1009-1013. https://doi.org/10.3892/etm.2018.6241
Copy and paste a formatted citation
x
Spandidos Publications style
Li Y, Li J, Hu W, Luo H, Zhou J, Li C and Chen C: Gene subtype analysis of Treponema pallidum for drug resistance to azithromycin. Exp Ther Med 16: 1009-1013, 2018.
APA
Li, Y., Li, J., Hu, W., Luo, H., Zhou, J., Li, C., & Chen, C. (2018). Gene subtype analysis of Treponema pallidum for drug resistance to azithromycin. Experimental and Therapeutic Medicine, 16, 1009-1013. https://doi.org/10.3892/etm.2018.6241
MLA
Li, Y., Li, J., Hu, W., Luo, H., Zhou, J., Li, C., Chen, C."Gene subtype analysis of Treponema pallidum for drug resistance to azithromycin". Experimental and Therapeutic Medicine 16.2 (2018): 1009-1013.
Chicago
Li, Y., Li, J., Hu, W., Luo, H., Zhou, J., Li, C., Chen, C."Gene subtype analysis of Treponema pallidum for drug resistance to azithromycin". Experimental and Therapeutic Medicine 16, no. 2 (2018): 1009-1013. https://doi.org/10.3892/etm.2018.6241
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