Table 3 Main biochemical properties of cellulases from Bacillus spp. isolated from compost
Strain | Cellulase localization | pH optimum and range of activity | T optimum and range of activity | Thermostability: residual activity (%) after pre-incubation at temperature (°C) for time (h) | Ref. |
|---|---|---|---|---|---|
B. licheniformis CV2-1 | Cell-bound | 4.6 > 80%: 3.0–4.6 > 60%: 7.0–5.0 | 55 and 95 °C | ~ 100% at 55 °C for 24 h 82% at 95 °C for 2 h | This work |
B. licheniformis 380 | Extracellular | 7–9 | 60 °C | not determined | [61] |
B. licheniformis B7 | Extracellular | 6–7 > 40%: ~ 3–10 > 80%: ~ 6–8 | 50 °C > 40%: ~ 30–70 °C > 80%: ~ 50–60 °C | not determined | [62] |
B. licheniformis 2D55 | Extracellular | 7.5 > 40%: ~ 3–10.5 > 80%: ~ 4.5–9.5 | 65 °C | 80% at 50–70 °C for 24 h | [63] |
Bacillus sp. DUSELR13 | Extracellular | 5.0 > 40%: ~ 3–10 > 80%: ~ 4–8 | 75 °C > 40%: ~ 50–90 °C > 80%: ~ 65–85 °C | 97% at 60 °C for 24 h 78% at 70 °C for 24 h | [64] |