, Volume 9, Issue 4, pp 918–927 | Cite as

Evaluation of the Effectiveness of Genetic Markers of Mycobacteria for Assessing the Disinfection Quality by Viability Real Time PCR

  • Nail I. KhammadovEmail author
  • Natalya M. Aleksandrova
  • Alfiya V. Khammadova
  • Eduard A. Shuralev


The research was aimed to evaluate the effectiveness of genetic markers when assessing the vitality of mycobacteria after room disinfection as a disinfection quality parameter. To achieve this goal, the mycobacterial genome was analyzed, and genetic markers identifying mycobacteria and marker mycobacterial products with the shortest lifetime after a mycobacterial cell dies were sought for. A room where animals were experimentally infected with mycobacteria was examined. Mycobacterium and the Mycobacterium tuberculosis complex DNA markers can be detected in one tube in CY5 and R6G channels. To differentiate Mycobacterium bovis BCG and the Mycobacterium tuberculosis complex, DNA deletion was detected using ROX- and R6G-labeled PCR probes. The comparison of genetic identification and mycobacterial vitality evaluation results with those of bacteriological tests completely confirm the effectiveness of genetic detection of mycobacterial viability. This approach to evaluate the disinfection quality makes it possible to avoid false-positive (using classic PCR) and false-negative (using bacteriologic culturing) results when controlling the tuberculosis causative agents.


Mycobacterium Genomics Marker loci PCR Disinfection 



This study was supported by the Russian Government Program of Competitive Growth of Kazan Federal University.

Compliance with Ethical Standards

Conflict of Interest

The authors declare no conflict of interest

Research Involving Humans and Animals Statement

No animals were used in this study.

Funding Statement

This research received no specific grant from any funding agency in the public, commercial, or non-for-profit sectors.


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Federal Center for Toxicological, Radiation and Biological SafetyKazanRussian Federation
  2. 2.Kazan Federal UniversityKazanRussian Federation
  3. 3.Russian Medical Academy of Continuous Professional Education (Kazan State Medical Academy Branch)KazanRussian Federation

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