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

Table 2 Maximal alginate concentration, alginate yield, broth viscosity and molecular weight of alginate produced with different strains of A. *vinelandii**.

Strain and Conditions	Algin_max (g/L)	Yield (g g-1)	Viscosity_max (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]

ISSN: 1475-2859