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  • Saccharomyces cerevisiae  (2)
  • Springer  (2)
  • Meteorological Society of Japan
  • Taylor & Francis
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  • Springer  (2)
  • Meteorological Society of Japan
  • Taylor & Francis
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  • 1
    Electronic Resource
    Electronic Resource
    DNA integration into recipient yeast chromosomes by trans-kingdom conjugation between Escherichia coli and Saccharomyces cerevisiae (1992)
    Springer
    Current genetics 21 (1992), S. 101-108 
    Details
    ISSN: 1432-0983
    Keywords: Trans-kingdom conjugation ; DNA integration ; Saccharomyces cerevisiae ; Escherichia coli
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary IncQ-derived conjugative shuttle vectors, which carried the yeast gene URA3 and/or the yeast autonomously replicating sequence (ARS1), were constructed. Both the ars-plus plasmid pAY205 and the ars-less plasmid pAY201 were successfully transmitted from E. coli to S. cerevisiae by the action of mob and tra. In this trans-kingdom conjugation, plasmid pAY205 could replicate and be retained in transconjugants. Plasmid pAY201 caused the formation of “micro-colonies” of abortive transconjugants due to its transient expression and rapid disappearance. Nevertheless, one per about 103 colonies caused by transmitted pAY201 plasmids were uncurable by integration into the homologous region of a yeast chromosome. Analyses by restriction enzyme mapping and Southern hybridization indicate that this integration is primarily caused by a double crossover during conjugation and not by a single reciprocal recombination.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00318467
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  • 2
    Electronic Resource
    Electronic Resource
    Isolation, and biochemical and biological characterization of an a-mating-type-specific glycoprotein responsible for sexual agglutination from the cytoplasm of a-cells, in the yeast Saccharomyces cerevisiae (1984)
    Springer
    Archives of microbiology 140 (1984), S. 113-119 
    Details
    ISSN: 1432-072X
    Keywords: Agglutination substance ; Cell-cell recognition ; Glycoprotein ; Mating ; Saccharomyces cerevisiae ; Sexual agglutinability ; Yeast
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract An a-mating-type-specific substance responsible for sexual agglutination was purified to 397-times in specific activity (units/mg protein) from the cytoplasm of a-mating type cells. The purified substance gave a single band stained with PAS reagent but not with both Coomassie brilliant blue and silver staining reagent by polyacrylamide gel electrophoresis in the presence of 8 M urea. However, incorporation of [35S]methionine and Lowry reaction clearly indicate that the substance is a glycoprotein. The substance specifically masked sexual agglutinability of cells of the opposite mating type α, indicating univalent action. The substance is a glycoprotein with a carbohydrate content of 90%, a pI of 4.5, and a molecular weight of 130,000. The substance was inactivated by 2-mercaptoethanol and proteolytic enzymes but not by glycolytic enzymes. The substance formed a complementary complex having no biological activity when mixed with α-agglutination substance from the wall or cytoplasm of α-cells in vitro.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00454912
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    Paper (German National Licenses)
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