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Biology Articles » Bioengineering » Molecular and bioengineering strategies to improve alginate and polydydroxyalkanoate production by Azotobacter vinelandii » Tables

Tables
- Molecular and bioengineering strategies to improve alginate and polydydroxyalkanoate production by Azotobacter vinelandii

Table 1
Maximal alginate concentration, alginate yield, broth viscosity and molecular weight of alginate produced with different strains of A. vinelandii*.
Strain
 Alginmax (g/L)
 Yield (g g-1)
 Viscositymax (cps)
 Molecular weight (kDa)
 References
ATCC9046
 5.0
 1.2
 500–700
 1500–1900
 [45, 78]
CN26
 6.0
 1.16
 400
 1130
 Unpublished data
DM
 4.5
 1.3
 619
 1700
 Unpublished data
AT268
 6.5
 1.8
 700
 1100
 Unpublished data
SML2
 6.6
 1.9
 435
 1150
 [16]






AT6
 2.1
 3.02(g alg/g prot)
 ND
 340
 [7]
*Cultures conducted in shake flasks at 200 rpm and 29°C.
Table 2
Maximal alginate concentration, alginate yield, broth viscosity and molecular weight of alginate produced with different strains of A. vinelandii*.
Strain and Conditions
 Alginmax (g/L)
 Yield (g g-1)
 Viscositymax (cps)
 Molecular weight (kDa)
 References
3% DOT 300 rpm




ATCC9046
 4.0
 1.14
 24
 770
 [47]
CN26
 2.5
 0.38
 9
 400
 [4]
DM
 2.5
 0.83
 130
 4000
 [4]
AT268
 3.0
 1.0
 52
 800
 [4]
SML2
 2.6
 0.4
 60
 1240
 [16]












3% DOT 700 rpm




ATCC9046
 3.5
 1.2
 ND
 1250
 [69]






SML2
 3.5
 0.9
 ND
 985
 [69]






No-control of DOT (340 RPM)




ATCC9046
 8.0
 1.5
 550
 1100
 [78]
*Cultures conducted in fermentor at 300 and 700 rpm constant.

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