Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2004 by Universidad Católica de Valparaíso -- Chile
Vol. 7 No. 3, Issue of December 15, 2004 
 

Table 2. Potential substrate consumption and FPase production parameters following growth of C. flavigena on a-cellulose-, CMC- or kallar grass-Dubos salts culture medium (pH 7.3-7.4) in shake-flask experiments conducted at 30C. The organism was grown on carbon sources (containing 1% carbohydrates in basal Dubos medium. Kallar grass (Leptochloa fusca) is a salt tolerant grass grown on saline lands, (Rajoka and Malik, 1997). The values in columns have been calculated from means of three replicates; the standard deviations were 2.5-3% of these values and have not been presented. The values of CBH were not significantly different from those for FPase and have been omitted.

Parameters

Following growth on 1% carbohydrates in

 

a-cellulose

CMC

kallar grass

YX/S (g cells/g)

0.550

0.450

0.540

QS (g S utized/I/h)

0.145

0.135

0.121

QX (g cells/I/h)

0.240

0.200

0.234

QRS (mg/I/h)

14.000

34.567

20.25

QP (IU/I/h)

35.000

22.00

32.25

YP/S (IU/g substrate consumed)

133.200

64.500

125.25

YP/X (IU/g cells)

244.18

144.400

235.23

qP (IU/g cells/h)

36.6

17.7

32.8

 

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