Fig. 2From: Heterologous expression of genes for bioconversion of xylose to xylonic acid in Corynebacterium glutamicum and optimization of the bioprocessResponse surface methodology-contour plots showing the effect of various parameters on xylonic acid production by C.glutamicum ATCC 31831. a Effect of inoculum and xylose. b Effect of xylose and urea. c Effect of (NH4)2SO4 and urea. d Effect of inoculum and (NH4)2SO4. e Effect of (NH4)2SO4 and xylose f Effect of inoculum and ureaBack to article page