Molecular and General Genetics MGG

, Volume 170, Issue 3, pp 243–247 | Cite as

Fusion of mitochondria with protoplasts in Saccharomyces cerevisiae

  • Norio Gunge
  • Kenji Sakaguchi


Protoplasts prepared from a neutral petite haploid BO60AF-1 (a ade2 arg4 leu2 trp COEOOO ύO ρO) were mixed with mitochondria isolated from an oligomycin resistant respiring haploid ANROR 12D (a his4 leu2 thr4 CSESO II R ύ+ ρ+) and treated with 30% polythylene glycol and CaCl2. When the treated protoplasts were spread and incubated on selective agar plates, oligomycin resistant respiration-sufficient colonies appeared with low frequency. All of these colonies carried the mitochondrial genotype of CSESO II R ύ+ ρ+ and showed the same mating type and nutritional requirements as did BO60AF-1, thus evidencing the mitochondrial transfer into protoplasts. Recombination and transmission of the mitochondrial drug resistance markers were studied in crosses involving the strains issued from mitochondria accepted protoplasts.


Recombination Glycol CaCl2 Drug Resistance Saccharomyces Cerevisiae 
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Copyright information

© Springer-Verlag 1979

Authors and Affiliations

  • Norio Gunge
    • 1
  • Kenji Sakaguchi
    • 2
  1. 1.Central Research LaboratoriesMitsubishi Chemical IndustriesYokohamaJapan
  2. 2.Mitsubishi-Kasei, Institute of Life SciencesMachida-shi, TokyoJapan

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