Bacterial alginate metabolism: an important pathway for bioconversion of brown algae

Table 1 The ethanol yield of different microorganisms

Microorganism	Characteristics	Major sugars utilised	Pretreatment	Productivity of ethanol	Reference
Escherichia coli BAL1611	Engineered strain	Mannitol, alginate, glucose	No pretreatment	0.28 g g⁻¹ powder of kelp	[7]
Saccharomyces cerevisiae BAL3215	Engineered strain	Mannitol, DEH	N/A	0.22 g g⁻¹ DEH and mannitol (1:2 molar ratio)	[8]
Saccharomyces cerevisiae AM1	Engineered strain	Mannitol, DEH	N/A	0.15 g g-1 alginate and mannitol (1:2 molar ratio)	[125]
Saccharomyces cerevisiae MK5622	Engineered strain	DEH	N/A	0.12 g g⁻¹ DEH	[116]
Sphingomonas sp. A1	Engineered strain	Alginate	N/A	0.26 g g⁻¹ alginate	[117]
Vibrio sp. dhg	Engineered strain	Mannitol, alginate	No pretreatment	0.35 g g⁻¹ powder of kelp	[119]
Defluviitalea phaphyphila Alg1	Natural strain	Mannitol, alginate, laminarin	No pretreatment	0.25 g g⁻¹ powder of kelp	[126]
Clostridium phytofermentans	Natural strain	Alginate	Acid pretreatment	0.05 g g⁻¹ alginate	[120]

ISSN: 2731-3654