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16 results for “ergosterol”
Fall 2003 fungal monitoring -- marshgrass ergosterol content and ascospore release rates at 10 GCE sampling sites
Leaves of dominant marsh plants were collected from permanent plots in 10 GCE LTER sampling sites in order to assess the relative biomass and activity of fungal decomposers. The quantity of ergosterol, a specific fungal cell-membrane component, and the rate of ascomycete spore expulsion were measured in pooled lots of leaves from the dominant marsh vegetation at each site. Samples were collected from both creek bank and mid-marsh habitats. The dry weight and organic content of the plant material was also measured. This study is part of the GCE microbial decomposer monitoring program, and will be repeated annually to assess long-term patterns of fungal activity in relation to various environmental factors.
Fall 2002 fungal monitoring -- marshgrass ergosterol content and ascospore release rates at 10 GCE sampling sites
Leaves of dominant marsh plants were collected from permanent plots in 10 GCE LTER sampling sites in order to assess the relative biomass and activity of fungal decomposers. The quantity of ergosterol, a specific fungal cell-membrane component, and the rate of ascomycete spore expulsion were measured in pooled lots of leaves from the dominant marsh vegetation at each site. Samples were collected from both creek bank and mid-marsh habitats. The dry weight and organic content of the plant material was also measured. This study is part of the GCE microbial decomposer monitoring program, and will be repeated annually to assess long-term patterns of fungal activity in relation to various environmental factors.
Fall 2000 fungal monitoring -- marshgrass ergosterol content and ascospore release rates at 10 GCE sampling sites
Leaves of dominant marsh plants were collected from permanent plots in 10 GCE LTER sampling sites in order to assess the relative biomass and activity of fungal decomposers. The quantity of ergosterol, a specific fungal cell-membrane component, and the rate of ascomycete spore expulsion were measured in pooled lots of leaves from the dominant marsh vegetation at each site. Samples were collected from both creek bank and mid-marsh habitats. The dry weight and organic content of the plant material was also measured. This study is part of the GCE microbial decomposer monitoring program, and will be repeated annually to assess long-term patterns of fungal activity in relation to various environmental factors.
Fall 2001 fungal monitoring -- marshgrass ergosterol content and ascospore release rates at 10 GCE sampling sites
Leaves of dominant marsh plants were collected from permanent plots in 10 GCE LTER sampling sites in order to assess the relative biomass and activity of fungal decomposers. The quantity of ergosterol, a specific fungal cell-membrane component, and the rate of ascomycete spore expulsion were measured in pooled lots of leaves from the dominant marsh vegetation at each site. Samples were collected from both creek bank and mid-marsh habitats. The dry weight and organic content of the plant material was also measured. This study is part of the GCE microbial decomposer monitoring program, and will be repeated annually to assess long-term patterns of fungal activity in relation to various environmental factors.
Soil ergosterol transect Dalton Highway Alaska 2007
The data set describes soil ergosterol concentration, which is unique to fungal membranes., from an Alaska transect . The soil samples from Alaska were collected in a trip from north to south along the Dalton Highway. north of the Yukon River.
Limosilactobacillus fermentum Limits Candida glabrata Growth by Ergosterol Depletion
GEO Series GSE202656. Nakaseomyces glabratus. 22 samples. Type: Expression profiling by high throughput sequencing.
Acidic pH Reduces Fluconazole Susceptibility in Cryptococcus neoformans by Altering Iron Uptake and Enhancing Ergosterol Biosynthesis
GEO Series GSE291861. Cryptococcus neoformans H99. 4 samples. Type: Expression profiling by high throughput sequencing.
Data from: Ergosterol biosynthesis: a fungal pathway for life on land?
Sterols, essential lipids of most eukaryotic cells, ensure important structural and signaling functions. The selection pressure which has led to different dominant sterols in the three eukaryotic kingdoms remains unknown. Here we investigated the influence of the progression in the different steps of the ergosterol biosynthetic pathway (EBP) on the yeast resistance to transitions from aqueous to aerial media, typical perturbations of the higher fungi habitats. Five mutants of the EBP (ergΔ), accumulating different sterol intermediates in the EBP, and the WT strain were exposed to drying under atmospheric air or nitrogen and wetting. Results show that the progression in the EBP parallels an increase in the yeast resistance to air-drying with a maximal survival rate for the WT strain. When drying/wetting was performed under nitrogen, yeast survival was higher, particularly for the earlier mutants of the EBP. Thus, ergosterol, through its protective role against mechanical and oxidative stress, might have been selected by the pressure induced by drying/wetting cycles occurring in the fungi habitats. These results support the Bloch hypothesis, which postulates that the properties of sterols are gradually optimized for function along the biosynthetic pathway and provide a response to the enduring question "why ergosterol in fungi?".
Ergosterol-Induced Immune Response in Barley Involves Phosphorylation of Phosphatidylinositol Phosphate Metabolic Enzymes and Activation of Diterpene Biosynthesis
GEO Series GSE280369. Hordeum vulgare. 10 samples. Type: Expression profiling by high throughput sequencing.
Data from: Ergosterol biosynthesis: a fungal pathway for life on land?
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Involvement of ergosterol contents in the tolerance to vanillin in Saccharomyces cerevisiae
GEO Series GSE13755. Saccharomyces cerevisiae; Schizosaccharomyces pombe. 4 samples. Type: Expression profiling by array.
Loss-of-function ROX1 mutations suppress the fluconazole susceptibility of upc2A∆ mutation in Candida glabrata, implicating additional positive regulators of ergosterol biosynthesis
GEO Series GSE191145. Nakaseomyces glabratus. 25 samples. Type: Expression profiling by high throughput sequencing.
Mutation in Transcription Factor Upc2p Causes Upregulation of Ergosterol Biosynthesis Genes and Fluconazole Resistance
GEO Series GSE11320. Candida albicans. 18 samples. Type: Expression profiling by array.
Regulation of ABC Transporters and Ergosterol Biosynthesis by the Transcription Factor FvADS-1 Controls Azole Resistance and Virulence in Fusarium verticillioides
GEO Series GSE315078. Fusarium verticillioides. 8 samples. Type: Expression profiling by high throughput sequencing.
Functional screening of transmembrane proteins identifies dolichyl pyrophosphate phosphatase CAX-4 as a key regulator of ergosterol biosynthesis and azole resistance in Neurospora crassa
GEO Series GSE311794. Neurospora crassa. 18 samples. Type: Expression profiling by high throughput sequencing.
Set1-mediated histone H3K4 methylation is conserved and required for azole induction of ergosterol biosynthesis genes and antifungal drug resistance in Candida glabrata
GEO Series GSE209637. Nakaseomyces glabratus. 12 samples. Type: Expression profiling by high throughput sequencing.
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