Fig. 2From: Insights into the keratin efficient degradation mechanism mediated by Bacillus sp. CN2 based on integrating functional degradomicsTime-courses of Bacillus sp. CN2 growth on feather keratins and degradation product accumulation. a Changes in cell density and soluble protein concentration of the degradation system. b Feather degradation rate. c Changes in pH of the degradation system. d Keratinase activity in the process of hydrolysisBack to article page