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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