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[Valinomycin biosynthesis and the dynamics of the content of macroergic phosphorus compounds in Streptomyces cyaneofuscatus]. 1986

G N Telesnina, and I N Krakhmaleva, and L N Anisova, and Iu E Bartoshevich, and Iu O Sazykin

The pattern of accumulation and consumption of macroergic phosphoric compounds such as polyphosphates, pyrophosphate and ATP in the mycelium of the valinomycin-producing organism was studied. The content of high polymeric polyphosphates in the high productive strain A of S. cyaneofuscatus was much lower than that in the isogenic low productive strain B, which was indicative of their participation in providing bioenergetics of antibiotic production. Cultivation of the low productive strain B in the presence or absence of the A-factor showed that the mutant reduced its sporulation and provided a 40-fold increase in biosynthesis of valinomycin. However, no difference in consumption of diverse polyphosphate fractions was observed.

UI MeSH Term Description Entries
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
D011122 Polyphosphates Linear polymers in which orthophosphate residues are linked with energy-rich phosphoanhydride bonds. They are found in plants, animals, and microorganisms. Polyphosphate
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
D004734 Energy Metabolism The chemical reactions involved in the production and utilization of various forms of energy in cells. Bioenergetics,Energy Expenditure,Bioenergetic,Energy Expenditures,Energy Metabolisms,Expenditure, Energy,Expenditures, Energy,Metabolism, Energy,Metabolisms, Energy
D006133 Growth Substances Signal molecules that are involved in the control of cell growth and differentiation. Mitogens, Endogenous,Endogenous Mitogens
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.
D014634 Valinomycin A cyclododecadepsipeptide ionophore antibiotic produced by Streptomyces fulvissimus and related to the enniatins. It is composed of 3 moles each of L-valine, D-alpha-hydroxyisovaleric acid, D-valine, and L-lactic acid linked alternately to form a 36-membered ring. (From Merck Index, 11th ed) Valinomycin is a potassium selective ionophore and is commonly used as a tool in biochemical studies.
D015107 4-Butyrolactone One of the FURANS with a carbonyl thereby forming a cyclic lactone. It is an endogenous compound made from gamma-aminobutyrate and is the precursor of gamma-hydroxybutyrate. It is also used as a pharmacological agent and solvent. 1,4-Butanolide,4-Hydroxybutyric Acid Lactone,Furanone, tetrahydro-2-,gamma-Butyrolactone,Dihydro-2(3H)-furanone,1,4 Butanolide,4 Butyrolactone,4 Hydroxybutyric Acid Lactone,Furanone, tetrahydro 2,Lactone, 4-Hydroxybutyric Acid,gamma Butyrolactone
D046911 Macromolecular Substances Compounds and molecular complexes that consist of very large numbers of atoms and are generally over 500 kDa in size. In biological systems macromolecular substances usually can be visualized using ELECTRON MICROSCOPY and are distinguished from ORGANELLES by the lack of a membrane structure. Macromolecular Complexes,Macromolecular Compounds,Macromolecular Compounds and Complexes,Complexes, Macromolecular,Compounds, Macromolecular,Substances, Macromolecular

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