Inaktivierungsversuche mit homozygoten Hefestämmen verschiedenen Ploidiegrades
2014
Stein, Werner | Laskowski, Wolfgang
Experimental data, published in parts I to III of this paper are discussed in respect to specific biological effects responsible for the inactivation of yeast cells by different radiations and organic peroxides. It was differentiated between four biological processes using the experimental results and certain theoretical considerations fitted to a special series of homozygous yeast strains of different ploidy. These four processes are: cytoplasmatic inactivation dependent and independend on ploidy, recessive and dominant lethal mutations. The influence of the “aa-effect“ (resistance to ionizing radiations) observed in diploids heterozygous only for the mating type alleles (aa) and supposed in all strains able to sporulate is discussed and its possible extend estimated.
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