1. Universität Konstanz, Mathematisch‐Naturwissenschaftliche Sektion, Fachbereich Biologie, D‐78457 Konstanz, Germany;
2. University of South Bohemia, Faculty of Biological Sciences and Institute of Physical Biology, Branišovská 31, CZ‐370 05 České Budejovice, Czech Republic;
3. Academy of Sciences of the Czech Republic, Institute of Microbiology, Department of Autotrophic Microorganisms, Opatovický mlýn, CZ‐37981 Třeboň, Czech Republic;
4. Bar Ilan University, Mina and Everard Goodman Faculty of Life Sciences, Ramat Gan, 52900, Israel