Fig. 3From: Efficient biosynthesis of (R)-mandelic acid from styrene oxide by an adaptive evolutionary Gluconobacter oxydans STAAdaptive laboratory evolution of G. oxydans to improve R-MA tolerance. a Schematic diagram of adaptive evolution. The original strain was G. oxydans 621H (WT). b Spot assays in G. oxydans WT and STA with 0Â g/L, 3Â g/L and 6Â g/L R-MA. c Biotransformation time course of styrene oxide to R-MA of WT-speh and STA-speh cells. d Measurements of cell shape and length in wild-type G. oxydans and adapted strain STABack to article page