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  • Saccharomyces cerevisiae  (55)
  • Springer  (55)
  • American Meteorological Society
  • Springer Nature
  • 1990-1994  (55)
  • 1980-1984
  • 1965-1969
  • 1993  (55)
  • 1968
Collection
Keywords
Publisher
  • Springer  (55)
  • American Meteorological Society
  • Springer Nature
  • Wiley-Blackwell  (74)
Years
  • 1990-1994  (55)
  • 1980-1984
  • 1965-1969
Year
  • 1
    Electronic Resource
    Electronic Resource
    Cloning and expression of Hormoconis resinae glucoamylase P cDNA in Saccharomyces cerevisiae (1993)
    Springer
    Current genetics 24 (1993), S. 38-44 
    Details
    ISSN: 1432-0983
    Keywords: Glucoamylase ; Gene cloning ; Hormoconis resinae ; Saccharomyces cerevisiae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A cDNA coding for glucoamylase P of Hormoconis resinae was cloned using a synthetic oligonucleotide probe coding for a peptide fragment of the purified enzyme and polyclonal anti-glucoamylase antibodies. Nucleotide-sequence analysis revealed an open reading frame of 1848 base pairs coding for a protein of 616 amino-acid residues. Comparison with other fungal glucoamylase amino-acid sequences showed homologies of 37–48%. The glucoamylase cDNA, when introduced into Saccharomyces cerevisiae under the control of the yeast ADC1 promoter, directed the secretion of active glucoamylase P into the growth medium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00324663
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  • 2
    Electronic Resource
    Electronic Resource
    Normal mitochondrial structure and genome maintenance in yeast requires the dynamin-like product of the MGM1 gene (1993)
    Springer
    Current genetics 24 (1993), S. 141-148 
    Details
    ISSN: 1432-0983
    Keywords: Saccharomyces cerevisiae ; Dynamin ; Mitochondria ; GTP binding protein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The isolation and characterization of MGM1, and yeast gene with homology to members of the dynamin gene family, is described. The MGM1 gene is located on the right arm of chromosome XV between STE4 and PTP2. Sequence analysis revealed a single open reading frame of 902 residues capable of encoding a protein with an approximate molecular mass of 101 kDa. Loss of MGM1 resulted in slow growth on rich medium, failure to grow on non-fermentable carbon sources, and loss of mitochondrial DNA. The mitochondria also appeared abnormal when visualized with an antibody to a mitochondrial-matrix marker. MGM1 encodes a dynamin-like protein involved in the propagation of functional mitochondria in yeast.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00324678
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  • 3
    Electronic Resource
    Electronic Resource
    Molecular cloning of the PEL1 gene of Saccharomyces cerevisiae that is essential for the viability of petite mutants (1993)
    Springer
    Current genetics 24 (1993), S. 307-312 
    Details
    ISSN: 1432-0983
    Keywords: Growth control ; Genetic mapping ; Molecular cloning ; Nucleo-mitochondrial interaction ; Saccharomyces cerevisiae ; Viability of petites
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The PEL1 gene of Saccharomyces cerevisiae is essential for the cell viability of mitochondrial petite mutants, for the ability to utilize glycerol and ethanol on synthetic medium, and for cell growth at higher temperatures. By tetrad analysis the gene was assigned to chromosome III, centromere proximal of LEU2. The PEL1 gene has been isolated and cloned by the complementation of a pel1 mutation. The molecular analysis of the chromosomal insert carrying PEL1 revealed that this gene corresponds to the YCL4W open reading frame on the complete DNA sequence of chromosome III. The putative Pel1 protein is characterized by a low molecular weight of approximately 17 kDa, a low codon adaptation index, and a high leucine content.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00336781
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  • 4
    Electronic Resource
    Electronic Resource
    Sequence analysis of a Papaver somniferum L. mitochondrial DNA fragment promoting autonomous plasmid replication in Saccharomyces cerevisiae and Kluyveromyces lactis (1993)
    Springer
    Current genetics 24 (1993), S. 366-367 
    Details
    ISSN: 1432-0983
    Keywords: Saccharomyces cerevisiae ; Papaver somniferum L. ; ARS ; Mitochondrial DNA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The minimal fragment of mitochondrial DNA from Papaver somniferum L. (poppy) able to promote autonomous plasmid replication in the yeast Saccharomyces cerevisiae was sequenced. Sequence analysis of the 917-bp MK4/8 DNA fragment revealed a high AT content, and the presence of two 12-bp sequences differing from the ARS core consensus of S. cerevisiae only by a T and C insertion, respectively. The mitochondrial insert contains a further six 11-bp sequences with one mismatch to the S. cerevisiae core consensus, more then 20 related sequences with two base pair exchanges, numerous direct and inverted repeats, and many copies of a sequence motif called the ARS box. The original 4.2-kb mitochondrial DNA fragment, as well as the minimal 917-bp subfragment in vector pFL1-E (a variant of YIP5, lacking an origin of replication in yeast), were then tested for their ability to replicate autonomously in another fungus, Kluyveromyces lactis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00336790
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  • 5
    Electronic Resource
    Electronic Resource
    The ogd1 and kgd1 mutants lacking 2-oxoglutarate dehydrogenase activity in yeast are allelic and can be differentiated by the cloned amber suppressor (1993)
    Springer
    Current genetics 24 (1993), S. 377-381 
    Details
    ISSN: 1432-0983
    Keywords: 2-Oxoglutarate dehydrogenase ; Molecular cloning ; Saccharomyces cerevisiae ; Sequencing ; Suppressor ; Yeast
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The activity of mitochondrial 2-oxoglutarate dehydrogenase in S. cerevisiae can be impaired either by the ogd1 or the kgd1 mutation. The OGD1 gene and two suppressor genes were isolated by complementation of the ogd1 mutant. The complementation of the kdg1 mutant by the OGD1 gene, an allelism test, and meiotic mapping, revealed that the ogd1 and kgd1 mutations are allelic. The two mutations were differentiated by the cloned suppressor gene which was able to partially complement ogd1, but not kgd1. The molecular analysis of the suppressor gene revealed its identity with the natural tRNA CAG Gln gene found in the upstream region of URA10.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00351844
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  • 6
    Electronic Resource
    Electronic Resource
    Use of reporter genes for the isolation and characterisation of different classes of sporulation mutants in the yeast Saccharomyces cerevisiae (1993)
    Springer
    Current genetics 24 (1993), S. 451-454 
    Details
    ISSN: 1432-0983
    Keywords: Yeast ; Saccharomyces cerevisiae ; Sporulation mutants ; Reporter genes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Reporter genes consisting of sporulation-specific promoters fused to lacZ were used as markers to monitor the sporulation pathway of the yeast Saccharomyces cerevisiae. Strains transformed with these lacZ gene fusions expressed β-galactosidase (assayable on plates using the substrate 5-bromo-4-chloro-3-indolyl-β-D-galactopyranoside, X-gal) in a sporulation-dependent manner. Mutagenesis experiments performed on transformed strains resulted in the recovery of a number of novel sporulation mutants. Three classes of mutants were obtained: those which overexpressed the reporter gene under sporulation conditions, those which did not express the gene under any conditions, and those which expressed the gene in vegetative cells not undergoing sporulation. On the basis of the blue colony-colour produced in the presence of X-gal these have been described as superblue, white, and blue vegetative mutants, respectively. These were further characterised using earlier reporter genes and other marker systems. This study established that the multicopy reporter plasmids chosen do not interfere with sporulation; they are valid tools for monitoring the pathway and they provide a way to isolate mutations not readily selected by other markers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00351856
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  • 7
    Electronic Resource
    Electronic Resource
    Physical mapping of the MEL gene family in Saccharomyces cerevisiae (1993)
    Springer
    Current genetics 24 (1993), S. 461-464 
    Details
    ISSN: 1432-0983
    Keywords: Chromosome fragmentation ; MEL gene family ; Saccharomyces cerevisiae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Nine members, MEL2–MEL10, of the MEL gene family coding for α-galactosidase were physically mapped to the ends of the chromosomes by chromosome fragmentation. Genetic mapping of the genes supported the location of all the MEL genes in the left arm of their resident chromosomes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00351706
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  • 8
    Electronic Resource
    Electronic Resource
    Parameters affecting lithium acetate-mediated transformation of Saccharomyces cerevisiae and development of a rapid and simplified procedure (1993)
    Springer
    Current genetics 24 (1993), S. 455-459 
    Details
    ISSN: 1432-0983
    Keywords: Yeast ; Saccharomyces cerevisiae ; Transformation ; Plasmid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We have compared a number of procedures for the transformation of whole cells of the yeast Saccharomyces cerevisiae and assessed the effects of dimethylsulphoxide (DMSO) or ethanol, both of which have been reported to enhance transformation efficiency. We find that simplified methods benefit from the addition of one of these compounds, and although differences are observed between strains as to the more beneficial reagent, peak transformation efficiency is, in general obtained with 10% DMSO or 10% EtOH. Increases of between six- and 50-fold are observed, despite a reduction in cell viability, and at this concentration the two compounds are not additive in their effects. The optimum level appears to depend on a balance between improved DNA uptake and reduced cell viability. As a result of this work we present a straightforward and rapid transformation procedure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00351857
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  • 9
    Electronic Resource
    Electronic Resource
    Evolutionary conservation of genomic sequences related to the GGP1 gene encoding a yeast GPI-anchored glycoprotein (1993)
    Springer
    Current genetics 23 (1993), S. 19-21 
    Details
    ISSN: 1432-0983
    Keywords: Glycosylphosphatidylinositol anchored-protein ; Southern analysis ; Saccharomyces cerevisiae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The GGP1 gene encodes the only GPI-anchored glycoprotein (gp115) that has been purified todate in the budding yeast Saccharomyces cerevisiae. It is a single-copy gene whose deduced amino-acid sequence shares no significant homology to any other known protein. In this paper we report a Southern hybridization analysis of genomic DNA from different eukaryotic organisms to identify homologues of the GGP1 gene. We have analyzed DNA prepared from a unicellular green alga (Chlamydomonas eugametos), from two distantly related yeast species (Candida cylindracea and Schizosaccharomyces pombe), and from the common bean Phasoleus vulgaris. The moderate stringency of the experimental conditions and the high specificity of the probes used indicate that a single-copy of GGP1-related sequences exists in all these eukaryotic organisms. The chromosomal localization of the GGP1 gene in S. cerevisiae has also been determined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00336744
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  • 10
    Electronic Resource
    Electronic Resource
    The STA2 and MEL1 genes of Saccharomyces cerevisiae are idiomorphic (1993)
    Springer
    Current genetics 23 (1993), S. 92-94 
    Details
    ISSN: 1432-0983
    Keywords: Saccharomyces cerevisiae ; Gene mapping ; Idiomorphism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The STA2 (glucoamylase) gene of Saccharomyces cerevisiae has been mapped close to the end of the left arm of chromosome II. Meiotic analysis of a cross between a haploid strain containing STA2, and another strain carrying the melibiase gene MEL1 (which is known to be at the end of the left arm of chromosome II) produced parental ditype tetrads only. Since there is no significant DNA sequence similarity between the STA2 and MEL1 genes, or their respective flanking regions, we conclude that these two genes are carried by separate non-hybridizing sequences of chromosomal DNA, either of which can reside at the end of the left arm of chromosome II. By analogy with the mating-type locus of Neurospora crassa, we suggest that the STA2 and MEL1 genes are idiomorphs with respect to one another.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00336753
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