Table 2 Some thermostable cellulases of industrial significance
From: Lignocellulases: a review of emerging and developing enzymes, systems, and practices
Cellulase | Source/organism | Maximum/optimum activity | Stability (T1/2) | References |
|---|---|---|---|---|
Cellulase | Desulfurococcus fermentans (Hyperthermophilic archaea) | 80–82 °C (pH 6) | 85 °C, >3 days | (Perevalova 2005) |
Endoglucanase (GH5) | Hyperthermophilic archaea | 109 °C (pH 6.8) | 100 °C, 5 h | (Graham et al. 2011) |
Endoglucanase (GH5) | Dictyoglomus thermophilum | 50–85 °C (pH 5) | 70 °C, 336 h | (Shi et al. 2013) |
β-Glucosidase (GH1) | Thermotoga thermarum DSM 5069T | 90 °C (pH 4.8) | 90 °C, 2 h | (Zhao et al. 2013) |
β-Glucosidase (GH1) | Hydrothermal spring metagenome | 90 °C (pH 6.5) | 90 °C, >1.5 h | (Schröder et al. 2014) |
β-Glucosidase (GH1) | Alicyclobacillus acidocaldarius | 65 °C (pH 5.5) | 65 °C, >3 h | (di Lauro et al. 2006) |
β-Glucosidase (GH3) | Thermofilum pendens | 90 °C (pH 3.5) | 90 °C, >2 h | (Li et al. 2013) |
β-Glucosidase (GH3) | Pholiota adiposa SKU0714 | 65 °C (pH 5) | 65 °C, 23 h | (Jagtap et al. 2013) |
β-Glucosidase | Pyrococcus furiosus | 102–05 °C (pH 5) | 100 °C, 85 h | (Kengen et al. 1993) |
β-Glucosidase | Oenococcus oeni ST81 | 40 °C (pH 5) | 40 °C, 50 days | (Mesas et al. 2012) |
β-Glucosidase | Sphingopyxis alaskensis | 50 °C (pH 5.5) | NA | (Shin and Oh 2014) |
CMcellulase | Bacillus pumilus S124A | 50 °C (pH 6.0) | NA | (Balasubramanian and Simões 2014) |
Multi-domain (Hemi)cellulase | Caldicellulosiruptor bescii | 72–80 °C (pH 5–6) | NA | (Kanafusa-Shinkai et al. 2013) |