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  • Articles  (122)
  • Saccharomyces cerevisiae  (122)
  • Springer  (104)
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  • 2010-2014
  • 1985-1989  (122)
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  • Biology  (122)
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  • Articles  (122)
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  • 2020-2022
  • 2010-2014
  • 1985-1989  (122)
  • 1960-1964
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  • 2014
  • 2010
  • 1988  (46)
  • 1987  (40)
  • 1986  (36)
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  • 1
    Electronic Resource
    Electronic Resource
    Protective effect of vitamins against trichothecene toxicity towardsSaccharomyces cerevisiae (1987)
    Springer
    Cellular and molecular life sciences 43 (1987), S. 886-888 
    Details
    ISSN: 1420-9071
    Keywords: Saccharomyces cerevisiae ; trichothecenes ; mycotoxins ; vitamins
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Several trichothecene mycotoxins were shown to inhibit the growth ofSaccharomyces cerevisiae. This effect was most pronounced with the macrocyclic trichothecenes, especially verrucarin A. Much less growth inhibition was observed with T-2 toxin. Verrucarol, diacetoxyscirpenol, acetyl T-2 toxin, HT-2 toxin, T-2 tetraol and neosolaniol were inactive at a concentration of 75 μg of toxin per disc. Incubation ofS. cerevisiae with verrucarin A together with vitamins resulted in a decrease in toxicity. Pyridoxine-HCl, Ca-pantothenate, thiamine-HCl and α-tocopheryl acetate were amongst the most potent of the vitamins tested which reversed growth inhibition, overcoming the inhibitory potential of the toxins.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01951651
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  • 2
    Electronic Resource
    Electronic Resource
    Occurrence of thiaminase II inSaccharomyces cerevisiae (1987)
    Springer
    Cellular and molecular life sciences 43 (1987), S. 888-890 
    Details
    ISSN: 1420-9071
    Keywords: Thiaminase ; thiamine ; thiamine antagonist ; Saccharomyces cerevisiae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary It was found that cell-free extracts ofSaccharomyces cerevisiae contain thiaminase II which hydrolyzes thiamine and thiamine analogs. The possible involvement of this enzyme and thiamine-synthesizing enzymes in thiamine production from thiamine antagonists is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01951652
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  • 3
    Electronic Resource
    Electronic Resource
    Control of the G1-G0 transition and G0 protein synthesis by cyclic AMP in Saccharomyces cerevisiae (1987)
    Springer
    Current genetics 12 (1987), S. 577-582 
    Details
    ISSN: 1432-0983
    Keywords: Saccharomyces cerevisiae ; Cell cycle ; Cyclic AMP ; G0 protein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary When the cyr1-1 cells of Saccharomyces cerevisiae, which require cyclic AMP (cAMP) for growth, were starved for cAMP, cell division was arrested at the G1 state of the mitotic cell cycle and the cells entered the resting state (G0) also observed in wild-type cells transferred to sulfur-free medium. The level of cAMP in wild-type cells decreased rapidly when the cells were starved for sulfur and subsequently increased following its addition. The cyr1-1 cells starved for cAMP preferentially synthesized nine G0 proteins. The synthesis of these G0 proteins in the sulfur-starved cells was repressed by the addition of cAMP. The RAS2 val19 or bcy1 cells, which produced an elevated level of cAMP or cAMP-independent protein kinase, did not synthesize the G0 proteins under the sulfur-starved condition. The results suggest that cAMP plays a role in the transition between the proliferating state and G0 state.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00368059
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  • 4
    Electronic Resource
    Electronic Resource
    High frequency FLP-independent homologous DNA recombination of 2 μ plasmid in the yeast Saccharomyces cerevisiae (1988)
    Springer
    Current genetics 14 (1988), S. 191-199 
    Details
    ISSN: 1432-0983
    Keywords: Saccharomyces cerevisiae ; Site specific recombination ; 2 μ DNA plasmid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The purpose of this work is to identify and quantitate in vivo 2 μ plasmid FLP-independent recombination in yeast, using a nonselective assay system for rapid detection of phenotypic expression of the recombination events. A tester plasmid was constructed such that in vivo recombination between 2 μ direct repeat sequences produces the resolution of the plasmid into two circular DNA molecules. This recombinational event is detected as a phenotypic shift from red to white colonies, due to the mitotic loss of the plasmid portion containing the yeast ADE8 gene in a recipient ade1 ade2 ade8 genetic background. In the absence of the 2 μ FLP recombinase and/or its target DNA sequence, recombination is not abolished but rather continues at a high frequency of about 17%. This suggests that the FLP-independent events are mediated by the chromosomally-encoded general homologous recombination system. We therefore conclude that the totality of 2 μ DNA recombination events occurring in FLP+ cells is the contribution of both FLP-mediated and FLP-independent events.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00376739
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  • 5
    Electronic Resource
    Electronic Resource
    Molecular cloning of the ARG7 gene of Schizosaccharomyces pombe encoding argininosuccinate lyase (1988)
    Springer
    Current genetics 14 (1988), S. 381-385 
    Details
    ISSN: 1432-0983
    Keywords: Schizosaccharomyces pombe ; Saccharomyces cerevisiae ; Argininosuccinate lyase ; Gene cloning
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A gene bank of Sau3A partially restricted Schizosaccharomyces pombe DNA in YEp13 was used to transform an arg4 mutant of Saccharomyces cerevisiae. One colony was recovered which contained the YEp13 plasmid bearing a large insert complementing the argininosuccinate lyase (ASL) mutation. As shown by restriction mapping and subcloning experiments, the DNA sequence required for complementation is localized on a 2 kb BamHI-BamHI fragment. The plasmid complemented several S. cerevisiae arg4 mutants of independent origin and a S. pombe arg7 mutant lacking ASL. Low but significant ASL activities were detected in crude extracts of these transformants. No complementation of the E. coli argH mutant was observed. Southern blot hybridizations showed that the insert originates from the S. pombe genome. No cross-hybridization was found between this sequence and S. cerevisiae DNA. It can be concluded that the cloned DNA fragment bears the S. pombe ARG7 gene coding for ASL.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00419996
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  • 6
    Electronic Resource
    Electronic Resource
    Inheritance of chromosome length polymorphisms in Saccharomyces cerevisiae (1988)
    Springer
    Current genetics 14 (1988), S. 413-418 
    Details
    ISSN: 1432-0983
    Keywords: Saccharomyces cerevisiae ; Chromosome length polymorphisms ; FIGE ; OFAGE
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Although Saccharomyces cerevisiae strains generally have similar chromosomal band patterns as revealed by pulsed field gel electrophoresis, individual bands often move slightly differently from one strain to the other. Surveying strains from our stock collection, we found that nearly all the bands of a certain pair of strains differed in their mobility. Some of these chromosome length polymorphisms segregated in a 2:2 ratio, indicating that they resulted from single structural alterations (i.e. additions or deletions). One of these was mapped on the right arm of chromosome 1. Others did not segrate in a simple 2:2 ratio. That is, there were progenies which had bands not present in either parent. We suggest that these new bands are the products of recombination between homologous chromosomes having two or more structural alterations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00521262
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  • 7
    Electronic Resource
    Electronic Resource
    Comparison of Tetrahymena ARS sequence function in the yeasts Saccharomyces cerevisiae and Schizosaccharomyces pombe (1988)
    Springer
    Current genetics 14 (1988), S. 225-233 
    Details
    ISSN: 1432-0983
    Keywords: ARS ; Saccharomyces cerevisiae ; Schizosaccharomyces pombe ; Tetrahymena thermophila
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary We have isolated several Tetrahymena thermophila chromosomal DNA fragments which function as autonomously replicating sequences (ARS) in the heterologous Saccharomyces cerevisiae and Schizosaccharomyces pombe selection systems. The Tetrahymena ARS sequences were first isolated in S. cerevisiae and were derived from non-ribosomal micro- and macronuclear DNA. Sequence analysis of the ARS elements identified either perfect or close matches with the 11 by S. cerevisiae ARS core consensus sequence. Subcloning studies of two Tetrahymena ARS elements defined functional regions ranging in size from 50 to 300 bp. Testing of the ARS elements in S. pombe revealed that most of the T. thermophila inserts confer ARS function in both yeasts, at least in the sense of promoting a high transformation frequency to plasmids which contain them. However, the actual sequences responsible for ARS activity were not always identical in the two yeasts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00376742
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  • 8
    Electronic Resource
    Electronic Resource
    Construction and characterization of a haploid strain of Saccharomyces cerevisiae that completely lacks all genomic CYH2 sequences (1988)
    Springer
    Current genetics 14 (1988), S. 325-329 
    Details
    ISSN: 1432-0983
    Keywords: Saccharomyces cerevisiae ; Ribosomal protein genes ; CYH2
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A diploid strain of the yeast Saccharomyces cerevisiae has been constructed that has one copy of the ribosomal protein gene CYH2 completely deleted and replaced with the TRP1 gene using the method of Rothstein (1983). There are only small differences in growth rate and no detectable difference in steady state level of CYH2 mRNA between the diploid that is heterozygous for the CYH2 deletion and the parent diploid with two normal copies of this gene. This suggests that the diploid must partially compensate for the loss of one CYH2 gene. Tetrad dissection shows that haploid spores lacking the CYH2 gene cannot germinate. The lethality of this deletion can be rescued by a CYH2 cDNA on a low copy vector. Haploids which lack the genomic copy of the CYH2 gene, but contain a plasmid copy of the CYH2 cDNA are able to grow normally. These CYH2 deleted yeast haploids should be useful to analyze mutationally altered CYH2 genes and genes homologous to CYH2 from other organisms without interference from a genomic copy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00419989
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  • 9
    Electronic Resource
    Electronic Resource
    The glucose- and ethanol-dependent regulation of PDC1 from Saccharomyces cerevisiae are controlled by two distinct promoter regions (1988)
    Springer
    Current genetics 14 (1988), S. 337-344 
    Details
    ISSN: 1432-0983
    Keywords: Yeast ; Gene regulation ; Saccharomyces cerevisiae ; PDCI promoter
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A 870 by promoter fragment of the PDC1 gene that includes the carbon source dependent regulatory regions was investigated using 5′ and 3′ promoter deletions. The results indicate that glucose and ethanol regulation of PDC1 transcription are independently controlled by distinct cis-acting regions. The consensus sequence AAATCGATA may play a role in this regulation, while the sequence (ATCA)AACCT may be important in transcription initiation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00419991
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  • 10
    Electronic Resource
    Electronic Resource
    α-factor enhancement of hybrid formation by protoplast fusion in Saccharomyces cerevisiae II (1986)
    Springer
    Current genetics 10 (1986), S. 943-945 
    Details
    ISSN: 1432-0983
    Keywords: Saccharomyces cerevisiae ; α-factor ; Protoplasts
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary When Mat a cells are treated with α-factor prior to being protoplasted and fused, the frequency of karyogamy is higher than in unarrested controls.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00398292
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