AIMS: To study the biochemical response of Yarrowia lipolytica LGAM S(7)1 during growth on raw glycerol (the main by-product of bio-diesel production units) in order to produce metabolic products of industrial significance. METHODS AND…
Papers in Analysis
Analysis papers in Mathematics, Y
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BACKGROUND: Hypoxia-inducible factor 1 alpha (HIF-1alpha), a component of HIF-1, is expressed in human tumors and renders cells able to survive and grow under hypoxic (low-oxygen) conditions. YC-1, 3-(5'-hydroxymethyl-2'-furyl)-1-benzylindazole, an…
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Yeast cadmium factor (Ycf1), an ATP-binding cassette (ABC) protein of the multidrug resistance protein subfamily, is a vacuolar GS-conjugate transporter required for heavy metal and drug detoxification. There is evidence that phosphorylation may…
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Mutants of Saccharomyces cerevisiae devoid of Cu,Zn-superoxide dismutase are hypersensitive to a range of oxidants, hyperbaric oxygen and hyperosmotic media, show lysine and methionine auxotrophy when grown under the atmosphere of air and have a…
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The new complexity arising from the genome sequencing projects requires new comprehensive post-genomic strategies: advanced studies in regulatory mechanisms, application of new high-throughput technologies at a genome-wide scale, at the different…
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In this study we investigated yeast biodiversity and dynamics during the production of a sweet wine obtained from dried grapes. Two wineries were selected in the Collio region and grapes, grape juices and wines during fermentations were analyzed by…
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Yeast cells were permeabilized by incubation in 0.8 M sorbitol followed by suspension in dilute buffer. A preincubation with 2-mercaptoethanol was also included for optimal permeabilization. More than 90% of the treated cells were stainable with…
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The objectives were to ascertain whether a yeast cell-wall derivative that was 1.8% beta-glucan in combination with ascorbyl-2-polyphosphate could improve innate immunity and mediate transportation stress in neonatal calves, and to compare the 1.8%…
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Fresh and cooked agave, Drosophila spp., processing equipment, agave molasses, agave extract, and fermenting must at a traditional tequila distillery (Herradura, Amatitan, Jalisco, México) were studied to gain insight on the origin of yeasts…
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The yeast community in the waters of the Tagus estuary, Portugal, was followed for over a year in order to assess its dynamics. Yeast occurrence and incidence were measured and this information was related to relevant environmental data. Yeast…
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Culture-dependent and -independent methods were used to examine the yeast diversity present in botrytis-affected ("botrytized") wine fermentations carried out at high approximately 30 degrees C) and ambient approximately 20 degrees C) temperatures.…
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Although the use of starter cultures in winemaking has improved the reproducibility and predictability of wine quality, the main drawback to this practice is the lack of the typical traits of wines produced by spontaneous fermentation. In this…
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In this study, rDNA ITS restriction analysis was used to identify yeasts from two naturally fermented products: French ciders and black olives. In cider musts and bottled ciders, the PCR-RFLP method generated 15 different ITS/RFLP profiles for a…
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CYP2D6, a xenobiotic metabolizing cytochrome P450 (P450), was found to be present in significant amount on the outer face of cell plasma membrane in addition to the regular microsomal location. Present work demonstrates that this external P450 is…
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A female southern right whale (Eubalaena australis) neonate was found stranded on the Western Cape coast of southern Africa. Skin samples were taken the same day from three different locations on the animal's body and stored at -20 C. Isolation…
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We have examined the effects of various mannans, glycoproteins, oligosaccharides, monosaccharides, and sugar phosphates on the binding and phagocytosis of yeast cell walls (zymosan) by mouse peritoneal macrophages. A phosphonomannan (PO(4):mannose…
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We have isolated a gene (NOP2) encoding a nucleolar protein during a search for previously unidentified nuclear proteins in the yeast Saccharomyces cerevisiae. The protein encoded by NOP2 (Nop2p) has a predicted molecular mass of 70 kD, migrates at…
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Little is known about what dictates the round shape of the yeast Saccharomyces cerevisiae nucleus. In spo7Delta mutants, the nucleus is misshapen, exhibiting a single protrusion. The Spo7 protein is part of a phosphatase complex that represses…
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Reaction: see text Protein farnesyltransferase (PFTase) catalyzes alkylation of cysteine residues by farnesyl diphosphate (FPP). The dissociation constants for the PFTase-peptide analogue complexes for the series of analogues fl-RTRC(X)VIA (X = H,…
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The identification of proteins separated on 2-D gels is essential to exploit the full potential of 2-D gel electrophoresis for proteomic investigations. For this purpose we have undertaken the systematic identification of Saccharomyces cerevisiae…
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