Andrey V. Vladimirov

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A new strain, Streptomyces rimosus LS-T hybrid, characterized by a lower level of foaming and higher antibiotic activity as compared to the other active strains of S. rimosus, is obtained as a result of selection among prototrophic recombinant forms of strains LS-T293 and BS-21. The studies on strain LS-T hybrid show the possibilities of combining(More)
High mutagenic activity of N-nitrozodimethylurea (NDMU), an agent of the group of the nitrozo compounds not studied in detail was shown with respect to prototrophic and auxotrophic strains of Actinomyces rimosus, an organism producing oxytetracycline and Penicillium chrysogenum, an organism producing penicillin. The rate of direct and back mutations in the(More)
The electrophoretic pattern of glucose-6-phosphate dehydrogenase (G-6-PD) was studied in 60 intergeneric fox hybrids (Alopex lagopus X Vulpes vulpes), 33 females and 27 males. It is shown that the structural gene for G-6-PD, designated as Gpd, is located on the X-chromosome in both Arctic and silver foxes. Analysis of G-6-PD in the erythrocytes of hybrid(More)