Cellulolytic activity of aerobic soil actinomycetes. 1976

E Lamot, and J P Voets

The cellulolytic activity of several aerobic soil actinomycetes against insoluble cellulose and soluble cellulose derivatives (CMC-carboxymethylcellulose) was studied. From the soil, 8 actinomycete strains were isolated after enrichment growth and purification on the same synthetic medium. The actinomycete strains were able to degrade insoluble cellulose, with the production of cellobiose and various oligosaccharide intermediates as degradation products, indicating the random attack of the cellulose chain. The actinomycete strains showed also a great activity against soluble cellulose (CMC). The viscosity of CMC solutions decreased rapidly and was followed by an increase in reducing compounds. The degree of substitution of CMC solutions had an effect on the degradation by the actinomycetes. The degree of polymerization did not affect the rate of hydrolysis, however.

UI MeSH Term Description Entries
D008747 Methylcellulose Methylester of cellulose. Methylcellulose is used as an emulsifying and suspending agent in cosmetics, pharmaceutics and the chemical industry. It is used therapeutically as a bulk laxative. BFL,Celevac,Cellothyl,Cellulone,Citrucel,Cologel,Dacryolarmes,Methocel,Methyl Cellulose,Muciplasma,Cellulose, Methyl
D009844 Oligosaccharides Carbohydrates consisting of between two (DISACCHARIDES) and ten MONOSACCHARIDES connected by either an alpha- or beta-glycosidic link. They are found throughout nature in both the free and bound form. Oligosaccharide
D002266 Carboxymethylcellulose Sodium A cellulose derivative which is a beta-(1,4)-D-glucopyranose polymer. It is used as a bulk laxative and as an emulsifier and thickener in cosmetics and pharmaceuticals and as a stabilizer for reagents. Carboxymethyl Cellulose,Carboxymethylcellulose,Aquacel,Aquaplast,Carmellose Sodium,Cellolax,Cethylose,Croscarmellose Sodium,Polycell,Ruspol,Sodium Carboxymethylcellulose,Carboxymethylcellulose, Sodium,Cellulose, Carboxymethyl,Sodium, Carboxymethylcellulose,Sodium, Carmellose,Sodium, Croscarmellose
D002482 Cellulose A polysaccharide with glucose units linked as in CELLOBIOSE. It is the chief constituent of plant fibers, cotton being the purest natural form of the substance. As a raw material, it forms the basis for many derivatives used in chromatography, ion exchange materials, explosives manufacturing, and pharmaceutical preparations. Alphacel,Avicel,Heweten,Polyanhydroglucuronic Acid,Rayophane,Sulfite Cellulose,alpha-Cellulose,Acid, Polyanhydroglucuronic,alpha Cellulose
D006868 Hydrolysis The process of cleaving a chemical compound by the addition of a molecule of water.
D000192 Actinomycetales An order of gram-positive, primarily aerobic BACTERIA that tend to form branching filaments. Corynebacteriaceae,Coryneform Group
D000332 Aerobiosis Life or metabolic reactions occurring in an environment containing oxygen. Aerobioses
D001673 Biodegradation, Environmental Elimination of ENVIRONMENTAL POLLUTANTS; PESTICIDES and other waste using living organisms, usually involving intervention of environmental or sanitation engineers. Bioremediation,Phytoremediation,Natural Attenuation, Pollution,Environmental Biodegradation,Pollution Natural Attenuation
D012988 Soil Microbiology The presence of bacteria, viruses, and fungi in the soil. This term is not restricted to pathogenic organisms. Microbiology, Soil

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