Search Results - "Sverdlova, A N"

Calcium transport in cells of Streptomyces chrysomallus var. macrotetrolidi-- a producer of macrotetrolide antibiotics by Sverdlova, A N, Agbenoko, K, Iaglova, L G, Egorov, N S

“…The dynamics of calcium accumulation by cells in batch cultures and by washed cells was defined with a radiotracer procedure for Streptomyces chrysomallus var…”
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Coefficients of distribution of cyclic polyether macrotetrolide antibiotics between hydrophobic and hydrophilic solvents by Sverdlova, A N, Iaglova, L G

“…Dependence of distribution of 14C-macrotetrolide antibiotics between water and chloroform on the presence of various additives in the aqueous phase was studied…”
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Participation of acetate in the biosynthesis of carotenoids and macrotetralids by Actinomyces chrysomallus var. carotenoides by Sverdlova, A N, Silaev, A B, Alekseeva, L N, Nefelova, M V

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Morphology of Streptomyces chrysomallus microcolonies in submerged cultivating by Sverdlova, A N, Nefelova, M V

“…Gel matrix covering microcolonies and individual hyfs and cords of mycelial hyfs was for the first type detected using a special method for making preparations…”
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Ionophore characteristics of heliomycin by Sverdlova, A N, Nefelova, M V

“…A highly purified product, identified as a well-known antibiotic geliomycin, has been derived by gradient extraction of the mycelium from Streptomyces…”
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Gradient extraction of ammonium specific ionophore antibiotics from mycelium by Sverdlova, A N, Zaretskaia, M Sh, Nefelova, M V

“…Streptomyces brunneofungs 118 and S.griseolus 224 were isolated from natural objects and shown to synthesize ammonium specific products belonging to…”
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Antibiotics, synthesized by Streptomyces chrysomallus subsp. macrotetrolidi in the early stages of growth by Sverdlova, A N, Agbenoko, K, Egorov, N S

“…Spectrophotometric determination of the ionophore compounds and mass spectrometry of the biosynthesis products revealed that the cells of Streptomyces…”
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UV-spectroscopic study of complex formation between nonactin and picrates of monovalent cations by Sverdlova, A N, Solov'eva, I V, Nefelova, M V

“…A macrotetrolide preparation including nonactin (about 75 per cent), monactin (about 23 pr cent) and traces of dinactin and trinactin was analyzed with the…”
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Antibiotic and electrochemical properties of some natural ionophoric compounds from streptomycetes by Sverdlova, A N, Likhacheva, A A, Lozitskaia, N D, Nefelova, M V

“…The systematic position of 8 Streptomyces strains isolated from nature was determined as a result of purposeful search for producers of ionophore compounds; 7…”
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Biosynthesis of nactinic compounds by population variants of macrotetrolide-producing streptomycetes by Sverdlova, A N, Zaretskaia, M Sh, Solov'eva, L N, Vinogradova, K A, Konoshenko, G I

“…Strains of Streptomyces chrysomallus subsp. macrotetrolidi and soil isolates of Streptomyces spp. producing ammonium specific agents were studied and…”
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The dependence of the distribution of ionophoric macrotetrolide antibiotics on the composition of their immiscible phases by Sverdlova, A N, Iaglova, L G

“…Influence of various solvents on the content of macrotetrolides during their prolonged storage in solution was shown. Under the conditions of room temperature…”
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Effect of some cations on activity of macrotetralide synthase during development of Streptomyces chrysomallus subsp. Macrotetalidi by Sverdlova, A N, Agbenoko, K, Iaglova, L G, Egorov, N S

“…The activity of a specific enzymatic complex, macrotetralide synthase, is observed at all stages of Streptomyces chrysomallus subsp. macrotetralidi…”
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Choice of a method of preparing samples for recording the radioactivity of complexes of14C-macrotetrolide antibiotics with alkali-metal picrates by Sverdlova, A. N., Yaglova, L. G.

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Level of sodium and potassium in Streptomyces chrysomallus subsp. macrotetrolidi cells--producers of macrotetralide antibiotics by Sverdlova, A N, Agbenoko, K, Mazenko, I V, Iaglova, L G, Egorov, N S

“…The ionophoretic macrotetrolide antibiotics selective to monovalent cations K+ and mainly to NH4+ were determined during the lag period of culture growth. At…”
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Directed search for streptomycetes that are producers of ionophoric antibiotics by Sverdlova, A N, Nefelova, M V, Volkova, E I, Mukhanova, I Iu, Likhacheva, A A, Zaretskaia, M Sh, Shaburova, O V, Semenenko, M N, Iaglova, L G

“…Streptomyces producing ionophore antibiotics were searched for in various natural substrata, such as soil, sea water, and coastline sea mud, in many…”
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Directed synthesis of macrotetrolides by Nefelova, M V, Sverdlova, A N, Egorov, N S

“…The composition of the macrotetrolide complex was found to be strongly dependent on the conditions of the Streptomyces chrysomallus v. macrotetrolidi…”
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Enzyme activity of an actinomycete producer of carotenes and macrotetrolides by Nefelova, M V, Sverdlova, A N

“…The activity of pyruvate dehydrogenase and dehydrogenases of the tricarboxylic acid cycle was assayed in the mycelium of Streptomyces chrysomallus var…”
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Isolation and properties of macrotetrolide synthase from the mycelium of Actinomycetes by Nefelova, M V, Karelina, I Iu, Sverdlova, A N, Egorov, N S

“…The formation of cyclic polyester antibiotics (macrotetrolides) from nactinic acids in a cell-free system in the presence of a mycelium homogenate of…”
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Biological action and complex-forming properties of a macrotetrolide antibiotic complex by Nefelova, M V, Sverdlova, A N

“…Macrotetrolide antibiotic complexes containing 60-80 per cent of nonactin were studied and their high antibacterial activity was shown. The macrotetrolides had…”
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Carbon dioxide fixation by the mycelium of the actinomycete Streptomyces chrysomallus var. macrotetrolidi by Nefelova, M V, Sverdlova, A N, Karelina, I Iu, Egorov, N S

“…The mycelium of Streptomyces chryzomallus var. macrotetrolidi producing the macrotetrolide antibiotic nonactin was shown to be capable of carbon dioxide…”
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