L.G. Hakobyan - Dr. Sc. (Biol.), Leading Research Scientist, Scientific and Production Center «Armbiotech-nology» - «Institute of Microbiology», NAS of RA (Yerevan, Armenia). E-mail: laurhakobyan@gmail.com P.A. Ghazaryan - Dr. Sc. (Biol.), Professor, Deputy Director on Science, Centre of Haematology n.a. prof. R. Yolyan, CJSC, Ministry of Health RA (Yerevan, Armenia). E-mail: ghazarpa@mail.ru M.A. Aleksandryan - Ph. D. (Med.), Head of Production Department, Centre of Haematology n.a. prof. R.Yolyan, CJSC, Ministry of Health RA (Yerevan, Armenia). E-mail: matevos.alexandryan@yandex.ru K.V. Harutyunyan - Post-graduate Student, Department of Microbiology & Plants and Microbes Biotechnology, Yerevan State University; Junior Research Scientist, Scientific and Production Center «Armbiotechnology»-«Institute of Microbiology», NAS of RA (Yerevan, Armenia). E-mail: k.v.harutyunyan@gmail.com A. Trchounian - Dr.Sc. (Biol.), Professor, Corresponding Member of NAS of RA, Head of Department of Mi-crobiology & Plans and Microbes Biotechnology, Yerevan State University, (Yerevan, Armenia). E-mail: Tr-chounian@ysu.am