Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2008 by Universidad Católica de Valparaíso -- Chile
Vol. 11 No. 2, Issue of April 15, 2008
 


Table 3. Mean values of enzymatic activity levels for amylases, cellulases, and acid and alkaline phosphatases determined from malt broth filtrates after culturing strains D1 and D2 of Descolea antarctica at different temperatures.


Strains

Temperature
(ºC)

Extracellular enzymes

A

B

C

D

 

4

3.39 ± 1.796 c

1.35 ± 0.007 a

32.0 ± 0.265 b

7.51 ± 0.027 b

D1

23

0.19 ± 0.000 c

0.04 ± 0.009 d

1.81 ± 0.127 f

0.36 ± 0.023 d

 

37

5.65 ± 3.262 c

0.12  ± 0.012 c

58.1 ± 0.033 a

10.1 ± 0.281 a

 

Control 15ºC

1.30 ± 0.041 c

0.63 ± 0.029 b

11.1 ± 0.437 d

2.49 ± 0.156 c

 

4

20.0 ± 0.520 b

0.63 ± 0.023 b

8.01 ± 0.070 e

0.25 ± 0.003 d

D2

23

0.15 ± 0.009 c

0.01 ± 0.003 d

0.56 ± 0.000 g

6.50 ± 0.852 b

 

37

57.2 ± 3.262 a

0.71 ± 0.033 b

16.7 ± 0.224 c

0.06 ± 0.035 d

 

Control 15ºC

3.18 ± 0.041 c

0.16 ± 0.015 c

2.14 ± 0.124 f

0.44 ± 0.018 d

A: amylases (mg glucose/ml * g of mycelium * hr).
B: cellulases (mg glucose/ml * g of mycelium * 24 hrs).
C: acid phosphatases (mg p-nitrophenol/ml * g of mycelium * hr).
D: alkaline phosphatases (mg p-nitrophenol/ml * g of mycelium * hr).
Values in a column with different letters differ significantly from one another (p ≤ 0.05). n = 24.


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