Degradation of different DKPs by (A) Leifsonia sp. K3 (DSM 27212), (B) Bacillus sp. A16 (DSM 25052) and (C) Rhizobium sp. NA04-01 (DSM 24917). Biotransformations were done with resting cells of the three strains. Each value is the mean of three replicates with error bars representing the standard deviation; cdm: cell dry mass.