1 Babeş-Bolyai University, Faculty of Biology and Geology, Department of Molecular Biology and Biotechnology, 1, M. Kogalniceanu Street, 400084, Cluj-Napoca, Cluj, Romania.
2 Babeş-Bolyai University, Faculty of Biology and Geology, Department of Molecular Biology and Biotechnology, 1, M. Kogalniceanu Street, 400084, Cluj-Napoca, Cluj, Romania. k_hella@yahoo.com.
3 Babeş-Bolyai University, Faculty of Biology and Geology, Department of Geology, 1, M. Kogalniceanu Street, 400084, Cluj-Napoca, Cluj, Romania.
4 NIRDBS, Institute of Biological Research, 48 Republicii Street, 400015, Cluj-Napoca, Romania.
5 Babeş-Bolyai University, Faculty of Environmental Science and Engineering, 30 Fântânele Street, 400294, Cluj-Napoca, Romania.
6 Institute of Hydrobiology, Department of Aquatic Microbial Ecology, Biology Center of the Academy of Sciences of the Czech Republic, České Budějovice, Czech Republic.
7 Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway.