AGNIESZKA CHMIELARCZYK, MONIKA POBIEGA*, JADWIGA WÓJKOWSKA-MACH, DOROTA ROMANISZYN, PIOTR B. HECZKO and MAŁGORZATA BULANDA Chair of Microbiology, Kraków, Poland Corresponding author: M. Pobiega, Chair of Microbiology, Krakow, Poland; e-mail: monika.pobiega@gmail.com Submitted 21 January 2014, revised 27 February 2015, accepted 17 March 2015 https://doi.org/10.5604/01.3001....