Scale Optimal condition E. coli JM109/LBH-10 [This study] P. aquimaris LBH-10 [13]
Cell growth CMCase Cell growth CMCase
Flask scale-1 Rice bran (g/L) 73.4 57.1 - 50.0
Ammonium chloride (g/L) 5.80 6.40 - 3.0*
Initial pH 6.54 6.70 - 8.0
Maximal production 6.21 g/L 388.9 U/mL - 221.8 U/mL
Flask scale-2 Temperature (°C) 40 35 25 30
Maximal production 6.12 g/L 523.3 U/mL 2.32 g/L 334.6 U/mL
Bioreactor Agitation speed (rpm) 480 480 400 300
Aeration rate (vvm) 1.0 1.0 1.5 1.0
Maximal production 6.81 g/L 576.8 U/mL 3.36 g/L 320.3 U/mL
*Nitrogen source was peptone
Table 6: Comparison of optimal conditions for cell growth and production of CMCase by P. aquimaris LBH-10 and its recombinant E. coli JM109/LBH-10.