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[Morphological and biochemical characteristics of Streptomyces hygroscopicus mutants obtained under the action of acridine orange and mitomycin C]. 1980

M I Pronina, and T P Efimova, and R A Zhukova, and T G Motovilova, and I S Pechatnikova

The purpose of this work was to study the action of acridine orange and mitomycin C on the production of mutants of Streptomyces hygroscopicus, strain 0681. The mutagen activity of mitomycin C was shown to be high. The vegetative culture grown for 24 hours produced more mutants under the action of mitomycin C than spores did. Both acridine orange and mitomycin C caused the production of mutants in strain 0681. The morphology of colonies in these mutants was modified, the synthesis of hygromycin B was completely or partly blocked, and the composition of fatty acids changed quantitatively and qualitatively. Mutants induced by mitomycin C were highly active in the production of the complex of hygrolytin proteolytic enzymes.

UI MeSH Term Description Entries
D008937 Mitomycins A group of methylazirinopyrroloindolediones obtained from certain Streptomyces strains. They are very toxic antibiotics used as ANTINEOPLASTIC AGENTS in some solid tumors. PORFIROMYCIN and MITOMYCIN are the most useful members of the group.
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D010447 Peptide Hydrolases Hydrolases that specifically cleave the peptide bonds found in PROTEINS and PEPTIDES. Examples of sub-subclasses for this group include EXOPEPTIDASES and ENDOPEPTIDASES. Peptidase,Peptidases,Peptide Hydrolase,Protease,Proteases,Proteinase,Proteinases,Proteolytic Enzyme,Proteolytic Enzymes,Esteroproteases,Enzyme, Proteolytic,Hydrolase, Peptide
D004790 Enzyme Induction An increase in the rate of synthesis of an enzyme due to the presence of an inducer which acts to derepress the gene responsible for enzyme synthesis. Induction, Enzyme
D006921 Hygromycin B Aminoglycoside produced by Streptomyces hygroscopicus. It is used as an anthelmintic against swine infections by large roundworms, nodular worms, and whipworms.
D000165 Acridine Orange A cationic cytochemical stain specific for cell nuclei, especially DNA. It is used as a supravital stain and in fluorescence cytochemistry. It may cause mutations in microorganisms. Tetramethyl Acridine Diamine,3,6-Bis(dimethylamino)acridine,Acridine Orange Base,Basic Orange 3RN,C.I. 46005,C.I. Basic Orange 14,Euchrysine,N,N,N',N'-Tetramethyl-3,6-Acridinediamine Hydrochloride,Rhoduline Orange,Acridine Diamine, Tetramethyl,Base, Acridine Orange,Diamine, Tetramethyl Acridine,Orange 3RN, Basic,Orange Base, Acridine,Orange, Acridine,Orange, Rhoduline
D013171 Spores, Bacterial Heat and stain resistant, metabolically inactive bodies formed within the vegetative cells of bacteria of the genera Bacillus and Clostridium. Bacterial Spores,Bacterial Spore,Spore, Bacterial
D013302 Streptomyces A genus of bacteria that form a nonfragmented aerial mycelium. Many species have been identified with some being pathogenic. This genus is responsible for producing a majority of the ANTI-BACTERIAL AGENTS of practical value.

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