Results 191 to 200 of about 28,609 (241)
Regulation of Ergosterol Biosynthesis in Saccharomyces cerevisiae
Genes, 2020 Ergosterol is an essential component of fungal cell membranes that determines the fluidity, permeability and activity of membrane-associated proteins.
Sergi Puig, Puig Sergi
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The Analyst, 1988
A rapid, highly sensitive and specific method for the determination of ergosterol in food grains contaminated with fungi is described. The method involves simple iodination of ergosterol resulting in the formation of a highly fluorescent product which is determined fluorodensitometrically.
R B, Sashidhar +4 more
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A rapid, highly sensitive and specific method for the determination of ergosterol in food grains contaminated with fungi is described. The method involves simple iodination of ergosterol resulting in the formation of a highly fluorescent product which is determined fluorodensitometrically.
R B, Sashidhar +4 more
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Brassicasterol and 22,23-dihydrobrassicasterol from ergosterol via i-ergosterol
Steroids, 1965Abstract Since the method most commonly employed for the preparation of brassicasterol gave brassicasterol acetate in an overall 4% to 5% yield, an alternate method for the preparation of gram quantities of brassicasterol and 22,23-dihydrobrassicasterol was investigated.
M J, THOMPSON +2 more
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The Biosynthesis of Ergosterol
Pesticide Science, 1984AbstractThe present state of knowledge of ergosterol biosynthesis is reviewed briefly in order to provide a contextual framework for the following papers which deal with its inhibition, the compounds that cause this inhibition, and their mode of action.
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Control of ergosterol biosynthesis in yeast
Biochemical and Biophysical Research Communications, 1968Abstract It has been established that the activity of HMG-CoA ∗ reduction to MVA in animal is controlled by bile acids which are presumed to be the end products in cholesterol metabolism ( Fimognari and Rodwell, 1965 ). Similar results were reported with Mycobacterium and Pseudomonas ( Fimognari and Rodwell, 1965a ).
A, Kawaguchi, H, Hatanaka, H, Katsuki
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The Photochemistry of Ergosterol
Nature, 1928IN order to study the changes undergone by ergosterol under the influence of ultra-violet irradiation, the following arrangement has been devised: The flat platinum surface of a sensitive platinum-tellurium thermopile (constructed by Dr. W. Vanselow in this laboratory) was coated with a layer of solid ergosterol cemented with ether and was then exposed
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Ergosterol Photoisomerization Reaction Scheme
Journal of Pharmaceutical Sciences, 1973The kinetics of the various isomers formed at low temperature by UV irradiation of ergosterol were studied experimentally at the wavelength λ = 253.7 nm. The characteristics of the photostationary state were used to determine the isomer precursor of the toxisterols as well as the quantum transformation yields of one isomer into another.
R, Mermet-Bouvier, E, Abillon
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Biosynthetic routes to ergosterol in yeast
Biochemical and Biophysical Research Communications, 1972Abstract The routes from episterol ( 10 ) to ergosterol ( 2 ) in aerobically grown Saccharomyces cerevisiae have been evaluated by systematically feeding and trapping with suspected intermediates ( 12 - 16 ) which were independently synthesized.
M, Fryberg +2 more
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Mycopathologia, 1997
Ergosterol peroxide, a presumed product of the H2O2-dependent enzymatic oxidation of ergosterol, has been isolated from yeast forms of the pathogenic fungus Sporothrix schenckii. The substance, which may have a role in fungal virulence, has been characterized mainly using spectroscopic methods (1H and 13C nuclear magnetic resonance and high resolution ...
Da Graça Sgarbi, Diana Bridon +5 more
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Ergosterol peroxide, a presumed product of the H2O2-dependent enzymatic oxidation of ergosterol, has been isolated from yeast forms of the pathogenic fungus Sporothrix schenckii. The substance, which may have a role in fungal virulence, has been characterized mainly using spectroscopic methods (1H and 13C nuclear magnetic resonance and high resolution ...
Da Graça Sgarbi, Diana Bridon +5 more
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Chemistry of the Tricarbonyliron Complexes of Calciferol and Ergosterol
Journal of the Chemical Society, Perkin Transactions 1, 1976Calciferol affords α- and β-tricarbonyliron complexes in the ratio ca. 2 : 1. Oxidation of the α-complex gives the relatively stable calciferone derivative. For comparison the tricarbonyliron complex of ergosterol was likewise oxidised to the 3-ketone.
D H, Barton, H, Patin
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