Figures & data
Figure 1. Kinetics of KA (KA) and pH change during the growth of B. safensis LAU 13 wild-type and mutant strain.
Figure 2. Effect of pH on the KA of B. safensis LAU 13 wild-type and mutant strain.
Figure 3. Effect of temperature on the KA of B. safensis LAU 13 wild-type and mutant strain.
Figure 4. Effect of metal ions on the KA of B. safensis LAU 13 wild-type and mutant strain.
Figure 5. Complete degradation of a whole feather by B. safensis LAU 13.
Figure 6. Complete dehairing of goat skin by crude keratinase. Note: Dehairing by wild-type strain after 16 h (A) and by mutant strain after 12 h (B); incomplete dehairing by sodium sulphide and lime after 20 h (C) and control (D).
Figure 7. Destaining of blood-stained cloth by crude keratinases. Note: Destaining blood by the wild-type strain after 3 h of incubation (A), by the mutant strain after 2 h of incubation (B) vs. a control (C) incubated in water.
