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Characteristics and applications of alginate lyases: A review
International Journal of Biological Macromolecules, 2020Brown algae, as the main source of alginate, are a type of marine biomass with a very high output. Alginate, a polysaccharide composed of β-D-mannuronic acid (M) and α-L-guluronic acid (G), has great potential for applications in the food, cosmetic and pharmaceutical industries. Alginate lyases (Alys) can degrade alginate polymers into oligosaccharides
Danyang Cheng +4 more
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Kinetics and specificity of alginate lyases
Hydrobiologia, 1993A purified preparation of the extracellular alginate lyase has been used to study kinetics and specificity towards purified, homopolymeric fragments of alginate. The enzyme preparation from Bacillus circulans 1351 degraded both block types, although with different efficiency, and thus appears to be nonspecific.
Bjørn Larsen +2 more
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Journal of Fermentation and Bioengineering, 1991
Abstract Two kinds of bacteria producing alginate lyase were isolated from ditch sample and they were designated A-1 and A-2 strains. Morphological and physiological properties of the two strains were closely similar to each other, except that the cells of strain A-1 showed flocculation during growth on a medium containing alginate as a carbon source.
Akira Kimura +4 more
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Abstract Two kinds of bacteria producing alginate lyase were isolated from ditch sample and they were designated A-1 and A-2 strains. Morphological and physiological properties of the two strains were closely similar to each other, except that the cells of strain A-1 showed flocculation during growth on a medium containing alginate as a carbon source.
Akira Kimura +4 more
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Alginate production by an Azotobacter vinelandii mutant unable to produce alginate lyase [PDF]
Applied Microbiology and Biotechnology, 2003 Alginate is an industrially relevant linear copolymer composed of beta-1,4-linked D-mannuronic acid and its C-5 epimer L-guluronic acid. The rheological and gel-forming properties of alginates depend on the molecular weight and the relative content of the two monomers. Alginate produced by Azotobacter vinelandii was shown to be degraded towards the end
Mauricio A. Trujillo-Roldán +4 more
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Preparation of Dye-labeled Alginate for the Assay of Alginate Lyase
Bioscience, Biotechnology, and Biochemistry, 1997Dabsyl-alginate, the dye-labeled substrate of alginate lyase, was prepared. Low-viscosity alginate, which was prepared by enzymatic degradation of sodium alginate, and tetramethylenediamine were conjugated by reductive amination. Then, dabsyl-Cl was coupled with the primary amino group of the aminobutyl-alginate. The assay for endo-alginate lyase using
Shigeki Yoshida +4 more
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Sheng wu gong cheng xue bao = Chinese journal of biotechnology, 2018
With the discovery of the significant medicinal value of alginate oligosaccharides and bioethanol produced by microalgae, alginate lyase has been the focus of research in all fields. Five alginate lyase genes in cluster from Vibrio alginolyticus were cloned and expressed in Escherichia coli.
Huimin Lu +6 more
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With the discovery of the significant medicinal value of alginate oligosaccharides and bioethanol produced by microalgae, alginate lyase has been the focus of research in all fields. Five alginate lyase genes in cluster from Vibrio alginolyticus were cloned and expressed in Escherichia coli.
Huimin Lu +6 more
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Bacterial alginate lyase highly active on acetylated alginates
Journal of Fermentation and Bioengineering, 1993Abstract A bacterium (strain A1) isolated from a ditch synthesized three kinds of intracellular alginate lyases: A1-I (molecular weight [M.W.] 60,000), A1-II-1 (M.W. 60,000) and A1-II-2 (M.W. 25,000) in laboratory-scale cultures. However, when cells of strain A1 were grown on an industrial scale, another lyase (A1-III) was produced other than A1-I ...
Minoru Nishimura +7 more
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Marine Biotechnology, 2009
The alginate lyase structural gene (AlyVI gene) was amplified from plasmid pET24-ALYVI carrying the alginate lyase gene from the marine bacterium Vibrio sp. QY101 which is a pathogen of Laminaria sp. When the gene was cloned into the multiple cloning site of the surface display vector pINA1317-YlCWP110 and expressed in cells of Yarrowia lipolytica, the
Liu, Guanglei +5 more
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The alginate lyase structural gene (AlyVI gene) was amplified from plasmid pET24-ALYVI carrying the alginate lyase gene from the marine bacterium Vibrio sp. QY101 which is a pathogen of Laminaria sp. When the gene was cloned into the multiple cloning site of the surface display vector pINA1317-YlCWP110 and expressed in cells of Yarrowia lipolytica, the
Liu, Guanglei +5 more
openaire +4 more sources