[Formation of dextranases by mycelial fungi and actinomycetes]. 1975

K A Vinogradova, and G V Cherkesova, and L I Petrova, and N S Mamulina, and G A Molodova

The dextranase activity of cultures of mycelial fungi of different genera and actinomycetes from the Chromogenes species of the Actinomyces genus was studied. About one third of the mycelial fungi and 8% of actinomycetes showed dextranase activity. The resulting extracellular dextranases demonstrated on endotypic pattern of action on the substrate. Actinomycete dextranases were several times more active than fungal dextranases and exhibited a significant activity in the neutral and weakly alkaline medium. Highly productive strains that are promising as dextranase producers were isolated.

UI MeSH Term Description Entries
D010407 Penicillium A mitosporic Trichocomaceae fungal genus that develops fruiting organs resembling a broom. When identified, teleomorphs include EUPENICILLIUM and TALAROMYCES. Several species (but especially PENICILLIUM CHRYSOGENUM) are sources of the antibiotic penicillin. Penicilliums
D003470 Culture Media Any liquid or solid preparation made specifically for the growth, storage, or transport of microorganisms or other types of cells. The variety of media that exist allow for the culturing of specific microorganisms and cell types, such as differential media, selective media, test media, and defined media. Solid media consist of liquid media that have been solidified with an agent such as AGAR or GELATIN. Media, Culture
D003904 Mitosporic Fungi A large and heterogenous group of fungi whose common characteristic is the absence of a sexual state. Many of the pathogenic fungi in humans belong to this group. Deuteromycetes,Deuteromycota,Fungi imperfecti,Fungi, Mitosporic,Hyphomycetes,Deuteromycete,Deuteromycotas,Fungi imperfectus,Fungus, Mitosporic,Hyphomycete,Mitosporic Fungus,imperfectus, Fungi
D003910 Dextranase Enzyme that hydrolyzes DEXTRAN to OLIGOSACCHARIDES. Endo-Dextranase,Glucanase 447-G,Endo Dextranase,Glucanase 447 G
D004789 Enzyme Activation Conversion of an inactive form of an enzyme to one possessing metabolic activity. It includes 1, activation by ions (activators); 2, activation by cofactors (coenzymes); and 3, conversion of an enzyme precursor (proenzyme or zymogen) to an active enzyme. Activation, Enzyme,Activations, Enzyme,Enzyme Activations
D006863 Hydrogen-Ion Concentration The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH pH,Concentration, Hydrogen-Ion,Concentrations, Hydrogen-Ion,Hydrogen Ion Concentration,Hydrogen-Ion Concentrations
D000190 Actinomyces A genus of gram-positive, rod-shaped bacteria whose organisms are nonmotile. Filaments that may be present in certain species are either straight or wavy and may have swollen or clubbed heads.
D000192 Actinomycetales An order of gram-positive, primarily aerobic BACTERIA that tend to form branching filaments. Corynebacteriaceae,Coryneform Group
D001230 Aspergillus A genus of mitosporic fungi containing about 100 species and eleven different teleomorphs in the family Trichocomaceae.
D013191 Stachybotrys A mitosporic fungal genus including one species which forms a toxin in moldy hay that may cause a serious illness in horses. Stachybotry

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