An amicronucleate mutant of Tetrahymena thermophila.
作者： Anthony R. Kaney , Virginia J. Speare
DOI: 10.1016/0014-4827(83)90074-5
关键词: Tetrahymena 、 Micronucleus 、 Mating 、 Biology 、 Mating type 、 Genetics 、 Strain (chemistry) 、 Meiosis 、 Mutagenesis (molecular biology technique) 、 Molecular biology 、 Mutant
摘要: A stable amicronucleate strain of Tetrahymena thermophila was isolated following nitrosoguanidine mutagenesis. The mutant has the same growth rate and viability as micronucleate parent strain, no micronucleus detectable by chromatin-specific staining in vegetative or during conjugation. pairs with normal efficiency cells complementary mating type. Matings aneuploid strains which lose their meiosis produced cell yielding one viable inviable cell. receives a from partner, but this is lost within two hundred generations.
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