Patterns of protein synthesis during development in Caulobacter crescentus☆
[摘要] Thepatternsofproteinsynthesisduringdevelopmentofthegram-negativebacterium,Caulobactercrescentus,havebeenstudiedbysodiumdodecylsulfate-polyacrylamidegelelectrophoresis,two-dimensionalgelelectrophoresis,andDNA-cellulosechromatography.Theanalysisofsolubleproteinsfromcellswhichhadbeenpulse-labeledwith35S-labeledmethionineatdifferenttimesinthecellcycleshowedsequentialchangesintheproteinssynthesizedatsuccessivestagesofdevelopment,anditidentifieda20Kanda28Kproteinwhichtogetheraccountfor12%oftheproteinsynthesizedinearlyswarmercells.Comparisonofproteinpatternsfromdifferentstagesofdevelopmentsuggestedthatfrom10to20%ofthegenesexpressedmaybemodulatedduringthelifecycleofthisorganism.TheresultsareconsistentwitharoleofdifferentialgeneexpressioninthetemporalcontrolofdevelopmentinC.crescentus.
[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]