MAŁGORZATA MAJEWSKA* and ANNA SŁOMKA Department of Environmental Microbiology, Institute of Microbiology and Biotechnology, Maria Curie-Skłodowska University, Lublin, Poland *Corresponding authors: M. Majewska, Department of Environmental Microbiology, Institute of Microbiology and Biotechnology, Maria Curie-Skłodowska University, Lublin, Poland; e-mail: majewska@poczta.u...