COMPARISON OF DIAGNOSTIC EFFECTIVENESS OF METHODS OF DETECTION OF COXIELLA BURNETII IN BLOOD OF PATIENTS WITH Q FEVER BASED ON AMPLIFICATION OF 16S rRNA GENE FRAGMENTS (STANDARD PCR) AND groEL GENE (REALTIME PCR)

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Abstract

Aim. Comparison of diagnostic capabilities of 2 variants of PCR for detection of Coxiella burnetii persistence in dynamics of infectious process in patients with Q fever. Materials and methods. 110 samples of clinical material, obtained from patients with Q fever in an endemic region for this infection (Astrakhan region), were studied. The samples were studied in a standard PCR (marker - 16S rRNA gene fragment) and in real-time PCR (RT-PCR) (marker - groEL gene fragment). Results. Both markers were established to be perspective for detection of C. burnetii DNA in clinical material, and RT-PCR detects positive result including late stages of the disease (illness day 21 - 31). Conclusion. This study is the first Russian publication on comparison on different PCR variants for detection of C. burnetii in blood of Q fever patients in dynamics of the infectious process.

About the authors

Yu. A. Panferova

Pasteur Research Institute of Epidemiology and Microbiology

Author for correspondence.
Russian Federation

O. A. Freilikhman

Pasteur Research Institute of Epidemiology and Microbiology

Russian Federation

N. K. Tokarevich

Pasteur Research Institute of Epidemiology and Microbiology

Russian Federation

S. F. Karpenko

Astrakhan State Medical University

Russian Federation

Kh. M. Galimzyanov

Astrakhan State Medical University

Russian Federation

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Copyright (c) 2016 Panferova Y.A., Freilikhman O.A., Tokarevich N.K., Karpenko S.F., Galimzyanov K.M.

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