Similar times of differentiation of acid phosphatase heterozygotes in two syngens of Tetrahymena pyriformis☆
[摘要] GeneticcontrolofacidphosphataseisozymeshasbeendescribedintwogeneticspeciesofTetrahymenapyriformis:syngen1andsyngen7(Allenetal.,1963a,b;Phillips,1968).Previousworkshowedthattheisozymevariationsrevealedbystarchgelelectrophoresisinsyngen1wereunderthecontroloftwoallelesatasinglelocusandthatphenotypicassortmenttakesplaceinheterozygotesduringclonaldevelopment.Threeallelicvariantshavebeenidentifiedinsyngen7usingsimilarmethods.Thesyngen7isozymesaredifferentfromthoseinsyngen1inpattern,pH,andtemperaturestability.Despitethesedifferences,heterozygotesinbothsyngensundergophenotypicassortmentataboutthesametimeinthelifecycle,sothatwithinabout250fissionsafterconjugationthemajorityofsublinesresembleoneortheotheroftheparentaltypes.
[发布日期] [发布机构]
[效力级别] [学科分类] 生物科学（综合）
[关键词] [时效性]
