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https://www.readbyqxmd.com/read/24425197/microbial-transformation-of-sterols-to-c19-steroids-by-rhodococcus-equi
#1
S Ahmad, P K Roy, A W Khan, S K Basu, B N Johri
A wild-type strain of Rhodococcus equi, isolated from soil, degraded cholesterol, β-sitosterol, stigmasterol and mixed sterois to androst-4-ene-3,17-dione (AD) and androsta-1,4-diene-3,17-dione (ADD). A definite preference for a relatively simply structured cholesterol side chain was observed. Highest specific cholesterol side-chain cleavage was associated with active growth of the culture. Maximum yield of ADD was obtained when sodium acetate and cholesterol were incorporated together in the medium. Specific side-chain cleavage required the presence of 2,2'-dipyridyl, an inhibitor of ring cleavage...
September 1991: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/13927470/stero-bile-acids-and-bile-sterois-i-metabolism-of-lithocholic-acid-in-hog-liver
#2
Y KURATA
No abstract text is available yet for this article.
April 1963: Journal of Biochemistry
https://www.readbyqxmd.com/read/13880891/influence-of-certain-sterois-and-2-4-dinitrophenol-on-phosphate-accumulation-and-distribution-in-tetrahymena-pyriformis
#3
R L CONNER, M S KORNACKER, R GOLDBERG
No abstract text is available yet for this article.
November 1961: Journal of General Microbiology
https://www.readbyqxmd.com/read/13372752/skin-sterois-xi-a-direct-demonstration-of-fast-acting-sterois-in-the-sebaceous-glands
#4
C A BAUMANN, S C BROOKS, J J LALICH
No abstract text is available yet for this article.
November 1956: American Journal of Pathology
https://www.readbyqxmd.com/read/5822967/the-occurrence-of-virus-and-interferon-in-spleen-serum-and-brain-in-steroi-treated-mice-under-experimental-infection-with-west-nile-virus
#5
S Haahr
No abstract text is available yet for this article.
1969: Acta Pathologica et Microbiologica Scandinavica
https://www.readbyqxmd.com/read/1817965/acetylcholine-modulates-the-effect-of-ovarian-steroids-on-glutamic-acid-decarboxylase-activity-in-the-rat-fallopian-tube
#6
J A Apud, L Monasterolo
Glutamic acid decarboxylase (GAD) activity was measured in the oviduct of normal rats in diestrous and in rats ovariectomized (OVX) seven days before. OVX induced a significant decrease of GAD activity in the Fallopian tube. This effect was completely reversed by coadministration of estradiol benzoate + progesterone (E + P). Simultaneous injection of atropine, but not of alpha-methyl-para-tyrosine or labetalol, completely prevented the activation of GAD induced by ovarian sterois. Moreover, prostigmin significantly potentiated the action of E + P on GAD activity in the rat oviduct...
December 3, 1991: European Journal of Pharmacology
https://www.readbyqxmd.com/read/1099086/effect-of-temperature-on-ergosterol-biosynthesis-in-yeast
#7
I Shimizu, H Katsuki
Anaerobically grown Saccharomyces cerevisiae was aerated for 7 hr at 20 degrees, 30 degrees, or 40 degrees, in a phosphate buffer containing 2% glucose. At elevated temperature (40 degrees), de novo synthesis of squalene and sterois in the aerated yeast was only 32-35% of that at lower temperature (20 degrees or 30 degrees), and this decrease was attributed to the repression of the enzymes involved in the synthesis of mevalonate from acetyl-COA. In addition, at elevated temperature, the metabolic flux from squalene to ergosterol was blocked at squalene epoxidation, lanosterol demethylation, and ergosta-5, 7, 22, 24(28)-tetraene-3beta-ol reduction...
May 1975: Journal of Biochemistry
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