MOLECULAR AND GENETIC FEATURES OF THE METHICILLIN-RESISTANT STAPHYLOCOCCUS AUREUS (MRSA) - CAUSATIVE AGENTS OF PURULENT DISEASES AT CANCER PATIENTS

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Abstract

Aim. Study of the molecular and genetic features of the MRSA, causative agents of purulent diseases at cancer patients. Materials and methods. In the work were used - bacteriological method, molecular genetic methods (PCR, M-PCR, sequencing). Results. MRSA share among staphylococcal infections at cancer patients in 2003 - 2007 has made 37,6%, and in 2010 - 2015 has increased up to 51,3%. At a research of molecular and genetic features of the allocated MRS A ] strains, have established, existence of two main clones: ST239/spa3(t037)/SCCmecIIIA and ST8/ . spal(t008)/SCCmecIVc. Representatives of clones differed in resistance level to antibiotics. Conclusion. In cancer patients in Krasnoyarsk, the distribution of two variants of MRSA-ST239Kra$ and ST8Kras, corresponding to the variants common in the Krasnoyarsk region, was revealed. i

About the authors

O. E. Khokhlova

Krasnoyarsk State Medical University; Russia-Japan Center of Microbiology, Metagenomics and Infectious Diseases

Author for correspondence.
Email: noemail@neicon.ru
Russian Federation

O. V. Peryanova

Krasnoyarsk State Medical University; Russia-Japan Center of Microbiology, Metagenomics and Infectious Diseases

Email: noemail@neicon.ru
Russian Federation

O. P. Bobrova

Krasnoyarsk Regional Clinical Oncology Center

Email: noemail@neicon.ru
Russian Federation

V. K. Sergeeva

Krasnoyarsk Regional Clinical Oncology Center

Email: noemail@neicon.ru
Russian Federation

A. A. Modestov

Krasnoyarsk Regional Clinical Oncology Center

Email: noemail@neicon.ru
Russian Federation

O. G. Eremeeva

Krasnoyarsk Regional Clinical Oncology Center

Email: noemail@neicon.ru
Russian Federation

N. K. Potkina

Russia-Japan Center of Microbiology, Metagenomics and Infectious Diseases

Email: noemail@neicon.ru
Russian Federation

D. N. Kapshuk

Krasnoyarsk State Medical University

Email: noemail@neicon.ru
Russian Federation

A. V. Alabusheva

Krasnoyarsk State Medical University

Email: noemail@neicon.ru
Russian Federation

T. .. Yamamoto

Russia-Japan Center of Microbiology; international Medical Education and Research Center

Email: noemail@neicon.ru
Russian Federation

References

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  6. Khokhlova O.E., Hung W-C., Wan T-W. et al. Healthcare- and community-associated methicillin-resistant Staphylococcus aureus (MRSA) and fatal pneumonia with pediatric deaths in Krasnoyarsk, Siberian Russia: Unique MRSA’s multiple virulence factors, genome, and stepwise evolution. PloS One. 2015, 1: 1-30.
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  8. Kondo Y., ItoT., MaX.X. Combination of multiplex PCRs for staphylococcal cassette chromosome mec type assignment: rapid identification system for mec, ccr, and major differences in junkyard regions. Antimicrob. Agents Chemother. 2007, 51: 264-274.
  9. Takano Т., Hung W.C., Shibuya M. et al. A new local variant (ST764) of the globally disseminated ST5 lineage of hospital-associated methicillin-resistant Staphylococcus aureus (MRSA) carrying the virulence determinants of community-associated MRSA. Antimicrob. Agents Chemother. 2013, 57: 1589-1595.
  10. Wan T-W., Khokhlova O.E., Iwao Y. et al. Complete circular genome sequence of successful ST8/SCCmecIV community-associated methicillin-resistant Staphylococcus aureus (OC8) in Russia: One-megabase genomic inversion, IS256's spread, and evolution of Russia ST8-IV. PLoS One. 2016, 11 (10): 1-25.
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Copyright (c) 2017 Khokhlova O.E., Peryanova O.V., Bobrova O.P., Sergeeva V.K., Modestov A.A., Eremeeva O.G., Potkina N.K., Kapshuk D.N., Alabusheva A.V., Yamamoto T...

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