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Table 1 Hemicellulase and cellulase activities (U/mg or mU/mg) of the crude proteins from C. owensensis and the thermophilic fungi reported

From: Characterization of hemicellulase and cellulase from the extremely thermophilic bacterium Caldicellulosiruptor owensensis and their potential application for bioconversion of lignocellulosic biomass without pretreatment

Microorganism and substrate Hemicellulase activity (U/mg) Cellulase activity (mU/mg) References
Hydrolysis substrate Xyan pNPX pNPAF pNPAC CMC pNPC pNPG FP
C. owensensis on corncob xylan This work
 Extra-enzyme 4.72 ± 0.65 0.77 ± 0.01 0.12 ± 0.01 0.27 ± 0.01 96.9 ± 7.2 25.1 ± 1.9 4.2 ± 0.3 10.7 ± 1.3
 Intra-enzyme 1.57 ± 0.074 3.14 ± 0.23 1.54 ± 0.07 0.73 ± 0.04 10.1 ± 0.8 13.0 ± 1.1 532.4 ± 37.3 5.8 ± 0.5
C. owensensis on xylose
 Extra-enzyme 1.93 ± 0.15 0.04 ± 0.002 0.10 ± 0.006 0.29 ± 0.02 83.5 ± 5.8 7.8 ± 0.53 7.8 ± 0.4 6.4 ± 1.3
 Intra-enzyme 0.19 ± 0.014 0.22 ± 0.018 0.15 ± 0.008 0.24 ± 0.02 22.6 ± 1.6 44.6 ± 5.1 134.4 ± 10.6 5.3 ± 0.5
 Thermoascus aurantiacus on switchgrass or microcrystalline cellulose (extracellular proteins) 0.1–1.9 0.007–0.012 20–1940 9.8–34.4 45.6–177.3 [34]
 Thielavia terrestris on switchgrass or microcrystalline cellulose (extracellular proteins) 0.66–3.27 0.001–0.006 230–1240 3.7–16.2 5.7–26.1 [34]
  1. – no data