1. Institute of Biochemistry and Molecular Biology, Wrocław University, Przybyszewskiego 63/77, 51-148 Wrocław, Poland, Department of Plant Protection and Biotechnology, Intercollegiate Faculty of Biotechnology, University of Gdańsk and Medical University of Gdańsk, Poland, and Department of Fruit, Vegetable and Cereals Technology, Agricultural University, Norwida 25, 50-375 Wrocław, Poland