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Table 2 Cellulase and xylanase production in media containing C5-sugars

From: Redesigning the Aspergillus nidulans xylanase regulatory pathway to enhance cellulase production with xylose as the carbon and inducer source

 

Enzyme measurements

Secreted

Spent

Enzyme

Activity

Specific

Proteins

Sugar

Productivity

U/ml

U/mg protd

g/l

%

U/l h

YP/S

Xylose amended minimal medium

 PFI-X7

2760 ± 6a

4058

0.68

96

38,333

35,646

 PFIX7-EA

283 ± 26b

340.9

0.83

96

3930

4598

 PFIX7-BA

155 ± 18c

176,1

0.88

93

2152

2662

PPTB amended minimal medium

 PFI-X7

2473 ± 51

4666

0.53

80

34,347

49,420

 PFIX7-EA

328 ± 14

385.9

0.85

86

4556

6132

 PFIX7-BA

161 ± 7

206.4

0.78

83

2236

3239

  1. aXylanase activity; b endoglucanase activity; c beta-glucosidase activity, d U per mg of secreted protein