Institution: | (1) Division of Genetics, Department of Biosciences, University of Helsinki, P.O.B. 56, FIN-00014 Helsinki, Finland;(2) Division of General Microbiology, Department of Biosciences, University of Helsinki, P.O.B. 56, FIN-00014 Helsinki, Finland;(3) Department of Ecological and Environmental Science, University of Helsinki, Niemenkatu 7B, FIN-15140 Lahti, Finland |