Direct bioconversion of brown algae into ethanol by thermophilic bacterium Defluviitalea phaphyphila

Table 2 Microorganisms that convert brown seaweed biomass to ethanol

Microorganism	Characteristics	Major sugars utilized	Pretreatment	References
D. phaphyphila Alg1	Thermophilic Nat	Mannitol, alginate, laminarin	Un-pretreatment	This study
Zymobacter palmae	Nat	Mannitol, laminarin	Thermal acid hydrolysis	[8, 39]
Pichia angophorae	Nat	Monosaccharide	Thermal acid hydrolysis	[32]
Saccharomyces cerevisiae	Nat	Glucose	Laminarinase	[17]
Escherichia coli BAL1611	Eng	Mannitol, alginate, glucose	Un-pretreatment	[23]
Escherichia coli KO11	Eng	Glucose, mannitol	Acid and hydrolytic enzymes	[11]
Sphingomonas sp. A1	Eng	Alginate	N/A	[6]
Saccharomyces cerevisiae BAL3215	Eng	Mannitol, glucose, DEH	N/A	[20]

Nat stands for natural strains, Eng stands for engineered strains, and N/A means not applicable

ISSN: 2731-3654