Topic
Yeast
About: Yeast is a research topic. Over the lifetime, 31777 publications have been published within this topic receiving 868967 citations. The topic is also known as: yeasts.
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TL;DR: It has been observed in the yeasts S. cerevisiae and C. utilis carrying the lycopene biosynthesis genes that ergosterol content is decreased by 10 and 35%, respectively, and it is likely that the carbon flux for the ergosterols biosynthesis has been partially directed from farnesyl pyrophosphate to a new pathway for the lyCopenoid biosynthesis.
238 citations
TL;DR: The gene ECE1 (extent of cell elongation 1) was isolated by differential hybridization screening of a Candida albicans cDNA library by using probes derived from populations of yeast cells or hyphae and showed no discernible homology with other known sequences.
Abstract: The gene ECE1 (extent of cell elongation 1) was isolated by differential hybridization screening of a Candida albicans cDNA library by using probes derived from populations of yeast cells or hyphae. Expression of this gene was not detected when C. albicans grew as a budding yeast cell but was observed within 30 min after cells had been induced to form hyphae. In all strains tested, regardless of the induction signal, ECE1 expression correlated with the extent of cell elongation. The genomic version of ECE1 was cloned and sequenced. The deduced 271-amino-acid polypeptide consisted of eight tandem repeats of a degenerate 34-amino-acid sequence which contained no discernible homology with other known sequences. An ECE1 null mutant displayed no morphological alterations, which demonstrated that ECE1 is not essential for cell elongation or hypha formation despite the strict morphological association of its expression.
238 citations
TL;DR: Observations suggest that Lys72 can serve as an axial ligand to the heme iron of alkaline iso-1-ferricytochrome c if it is not modified posttranscriptionally to trimethyllysine.
Abstract: Saccharomyces cerevisiae iso-1-cytochrome c has been expressed in Escherichia coli by coexpression of the genes encoding the cytochrome (CYC1) and yeast cytochrome c heme lyase (CYC3). Construction...
238 citations
TL;DR: Vacuoles can be isolated by flotation from suspensions of lysed proto-plasts in the presence of Ficoll by demonstrating the complete absence of enzymes of the mitochondria and of the groundplasm and by morphological observations.
Abstract: Vacuoles can be isolated by flotation from suspensions of lysed proto-plasts in the presence of Ficoll. The purity of the respective preparations is demonstrated by the complete absence of enzymes of the mitochondria and of the groundplasm, as well as by morphological observations. Hydrolytic enzymes (two acid proteases, p-nitrophenylacetate-esterase, RNase and leucylaminopeptidase) are present in high specific activities in isolated vacuoles. The vacuole therefore represents the lysosome of the yeast cell.
238 citations
TL;DR: The Saccharomyces cerevisiae var.
237 citations