Zobrazeno 1 - 10
of 85
pro vyhledávání: '"T. S. Stytsenko"'
Autor:
V. A. Andryushina, N. V. Karpova, T. S. Stytsenko, V. V. Yaderets, E. D. Voskresenskaya, V. V. Dzhavakhia
Publikováno v:
Regulatory Mechanisms in Biosystems, Vol 9, Iss 3, Pp 430-434 (2018)
To obtain inoculation material (cultivation stage 1), the biomass of Rhodococcus erythropolis VKPM AC-1740 was transferred from agar slants into 750 ml conic flasks containing 100 ml of vegetation media of the following composition (g/l): medium 1
Externí odkaz:
https://doaj.org/article/c8cfcbc6b03c4874a7beb3dad428df17
Autor:
I. V. Zavarzin, V. V. Yaderets, D. V. Kurilov, T. S. Stytsenko, N. V. Karpova, V. A. Andryushina
Publikováno v:
Russian Chemical Bulletin. 70:533-538
The influence of exogenous factors on the selectivity of biotransformation of cholesterol 3β-methyl ether by Mycobacterium sp. was studied. The main product of the microbiological transformation was Δ5-dehydroepiandrosterone 3β-methyl ether. The p
Publikováno v:
Pharmaceutical Chemistry Journal. 53:1086-1089
Series of cholesterol and β-sitosterol ethers and esters were obtained and could be used for subsequent enzymatic cleavage of the steroid C-17 side chain to dehydroepiandrosterone using mycobacteria cultures.
Autor:
T. S. Stytsenko, I. V. Zavarzin, V. V. Yaderets, D. V. Kurilov, V. A. Andryushina, N. V. Karpova
Publikováno v:
Russian Chemical Bulletin. 68:2355-2358
3p-Methyl ether of dehydroepiandrosterone was obtained by microbiological transformation of 3s-methyl ether of cholesterol with Mycobacterium sp. Androstane-3,17-dione, androst-4-ene-3,17-dione, and androsta-1,4-diene-3,17-dione were minor transforma
Publikováno v:
Applied Biochemistry and Microbiology. 55:37-40
A method of phytosterol conversion into 9α-hydroxy-androstenedione under high loads of steroid substrate has been developed with the use of mixed cultures of the actinobacteria M. neoaurum and R. erythropolis. The introduction of a 9α-hydroxylating
Publikováno v:
Pharmaceutical Chemistry Journal. 52:776-780
An efficient synthesis of 21-acetoxypregna-1,4,9(11),16-tetraene-3,20-dione, a key intermediate in the synthesis of highly active fluorinated corticosteroids from phytosterols, was developed. The method consisted of an original sequence of chemical a
A search for microscopic fungi with directed hydroxylase activity for the synthesis of steroid drugs
Autor:
A. V. Kurakov, T. S. Stytsenko, V. A. Andryushina, N. V. Karpova, T. D. Feofanova, A. V. Druzhinina
Publikováno v:
Applied Biochemistry and Microbiology. 52:316-323
The hydroxylase activities of new strains such as Curvularia lunata, C. geniculata, C. eragrostidis, C. prasadii, Ulocladium botrytis, Alternaria tenuis, and Fusarium oxysporum toward three steroid substrates, namely, androstenedione (AD), cortexolon
Autor:
N. V. Karpova, V. A. Andryushina, T. S. Stytsenko, A. V. Druzhinina, T. D. Feofanova, A. V. Kurakov
Publikováno v:
Прикладная биохимия и микробиология. 52:324-332
Autor:
T. S. Stytsenko, A. N. Ryabev, A. V. Druzhinina, E. A. Podorozhko, Vladimir I. Lozinsky, V. A. Andryushina, N. V. Karpova
Publikováno v:
Applied Biochemistry and Microbiology. 51:530-538
The steroid-transforming activity of free and immobilized cells of Pimelobacter simplex VKPM Ac-1632 entrapped in an operationally stable macroporous poly(vinyl alcohol) cryogel was studied. It was shown that the macroporous matrix of the carrier did
Publikováno v:
Applied Biochemistry and Microbiology. 49:386-394