نتایج جستجو برای: s cerevisiae
تعداد نتایج: 741754 فیلتر نتایج به سال:
In Saccharomyces cerevisiae the activity for the lactate-proton symporter is dependent on JEN1 gene expression. Pichia pastoris was transformed with an integrative plasmid containing the JEN1 gene. After 24 h of methanol induction, Northern and Western blotting analyses indicated the expression of JEN1 in the transformants. Lactate permease activity was obtained in P. pastoris cells with a V (m...
In this paper, comparative molecular studies between authentic Saccharomyces cerevisiae strains, related species, and the strain described as Saccharomyces boulardii were performed. The response of a S. boulardii strain and a S. cerevisiae strain (W303) to different stress conditions was also evaluated. The results obtained in this study show that S. boulardii is genetically very close or nearl...
We have cloned and sequenced the alcohol dehydrogenase gene of the fission yeast Schizosaccharomyces pombe. The gene was isolated by transformation and complementation of a Saccharomyces cerevisiae strain which lacked functional alcohol dehydrogenase with an S. pombe gene bank constructed in the autonomously replicating yeast plasmid YEp13. Southern hybridization analysis indicates that S. pomb...
We determined that extrachromosomal 2μ plasmid was present in 67 of the Saccharomyces cerevisiae 100-genome strains; in addition to variation in the size and copy number of 2μ, we identified three distinct classes of 2μ. We identified 2μ presence/absence and class associations with populations, clinical origin and nuclear genotypes. We also screened genome sequences of S. paradoxus, S. kudriavz...
HIGHLIGHTS Ellagic acid (EA) reduces oxidative damage and thus it can protect S. cerevisiae against to ROS. SDS-PAGE results reveal that EA induces total protein synthesis. cell development MDA levels increases GSH levels.
A recombinant plasmid pool of the Saccharomyces diastaticus genome was constructed in plasmid YEp13 and used to transform a strain of Saccharomyces cerevisiae. Six transformants were obtained which expressed amylolytic activity. The plasmids each contained a 3.9-kilobase (kb) BamHI fragment, and all of these fragments were cloned in the same orientations and had identical restriction maps, whic...
Polo kinase is activated as cells enter mitosis and plays a central role in coordinating diverse mitotic events, yet the mechanisms leading to activation of Polo kinase are poorly understood . Work in Xenopus meiotic cell cycles has suggested that Polo kinase functions in a pathway that helps trigger activation of Cdk1 . However, studies in other organisms have suggested that activation of Polo...
BACKGROUND In the budding yeast, Saccharomyces cerevisiae, each DNA replication origin is associated with an autonomously replicating sequence (ARS) element. Each element contains several modules, including an essential close match to the 11 base-pair (bp) ARS consensus sequence (ACS) and two or three short (< 20 bp) stimulatory motifs, within a stretch of approximately 150 bp or less. To deter...
There is an increasing trend toward understanding the impact of non-Saccharomyces yeasts on the winemaking process. Although Saccharomyces cerevisiae is the predominant species at the end of fermentation, it has been recognized that the presence of non-Saccharomyces species during alcoholic fermentation can produce an improvement in the quality and complexity of the final wines. A previous work...
In this study we investigated the possibility of using Candida zemplinina, as a partner of Saccharomyces cerevisiae, in mixed fermentations of must with a high sugar content, in order to reduce its acetic acid production. Thirty-five C. zemplinina strains, which were isolated from different geographic regions, were molecularly characterized, and their fermentation performances were determined. ...
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