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  • 2010-2014
  • 1985-1989  (1)
  • 1980-1984  (1)
  • 1970-1974
  • 1989  (1)
  • 1984  (1)
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  • 2010-2014
  • 1985-1989  (1)
  • 1980-1984  (1)
  • 1970-1974
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  • 1
    ISSN: 1432-0983
    Keywords: ROAM mutation ; Yarrowia lipolytica ; Lysine catabolism ; Regulation of lysine pool
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Reversions of a mutation lye 1.5 blocking the first step of the lysine catabolic pathway were isolated. These reversions mapped inside the LYC1 locus. They exhibited an alteration of the regulation of the lysine pool after nitrogen and phosphorus starvation. This phenomenon did not appear in sexual diploids homozygous for the reversion. Diploids homozygous for the mating type were constructed by protoplast fusion. They displayed a pattern similar to that of the haploids. We conclude that the expression of this mutation is under the control of the physiological state of the mating type.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Biological cybernetics 61 (1989), S. 21-28 
    ISSN: 1432-0770
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Computer Science , Physics
    Notes: Abstract A model of cardiac cells incorporating the membrane potential and the intracellular calcium concentration as the two dynamical variables is developed. This model is applied to simple systems of cells to investigate its behavior as a function of the model parameters. Rational entrainment is observed in systems of two coupled pacemaker cells. The propagation of the membrane potential and intracellular calcium concentration through a sheet is simulated. Behavior suggestive of circus movement tachycardias is observed.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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