نتایج جستجو برای: ergosterol
تعداد نتایج: 1662 فیلتر نتایج به سال:
Azoles target the ergosterol biosynthetic enzyme lanosterol 14alpha-demethylase and are a widely applied class of antifungal agents because of their broad therapeutic window, wide spectrum of activity, and low toxicity. Unfortunately, azoles are generally fungistatic and resistance to fluconazole is emerging in several fungal pathogens. We recently established that the protein phosphatase calci...
Ergosterol and Water Changes in Tricholoma matsutake Soil Colony during the Mushroom Fruiting Season
The purpose of this study is to understand spatio-temporal changes of active fungal biomass and water in Tricholoma matsutake soil colonies during the mushroom fruiting season. The active fungal biomass was estimated by analyzing ergosterol content at four different points within four replicated locations in a single circular T. matsutake colony at Ssanggok valley in the Sogri Mt. National Park...
In humans, defects in lipid metabolism are associated with a number of severe diseases such as atherosclerosis, obesity and type II diabetes. Hypercholesterolemia is a primary risk factor for coronary artery disease, the major cause of premature deaths in developed countries. Statins are inhibitors of 3-hydroxy-3-methylglutaryl-CoA reductase (HMGR), the key enzyme of the sterol synthesis pathwa...
The first identification of a sterol in Chlorella was by Klosty and Bergmann (5) in 1952 when they isolated ergosterol from Chlorella pyrenoidosa. More recently, Otsuka (6) identified ergosterol and a A5 sterol in Chlorella ellipsoidea. Ergosterol was the principal component of the mixture. Recent work in this laboratory has been centered about the identification of sterols from other species o...
In the fungus Neurospora crassa, hexagonal crystalline inclusions have been observed with both the light and electron microscopes. These crystals have been enriched by differential centrifugation and found to be identical with ergosterol by the criteria of ultraviolet spectral analysis and cytochemical analysis. Observations have been made on the distribution and fine structure of the crystalli...
Aflatoxin B1 (AFB1) is a highly toxic substance produced mainly by Aspergillus spp., which are known to contaminate wide variety of foods and feeds. The objective this study was understand the growth AFB1 production rate flavus NRRL 3357 investigate impact different infrared (IR) heat intensities on aflatoxin-producing potential A. flavus. Thirty healthy corn kernels were inoculated with 1 × 10...
GOTTLIEB, D., R. J. KNAUS, and S. G. WOOD. 1978. Differences in the Sterol synthesizing pathways of sterol-producing and non-sterol-producing fungi. Phytopathology 68: I 168-1169. The mycelia of several sterol-producing and non-sterolsqualene was detected in the non-sterol-producing fungi. The producing fungi were analyzed for the presence of squalene, block in the synthesis of ergosterol by th...
Van Etten, James L. (University of Illinois, Urbana), and David Gottlieb. Biochemical changes during the growth of fungi. II. Ergosterol and fatty acids in Penicillium atrovenetum. J. Bacteriol. 89:409-414. 1965.-Changes in the lipid constituents of Penicillium atrovenetum were studied during the growth and development of this fungus. The stages in development, as measured by the dry weight, we...
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