Properties of isolated chromatin from sea urchin embryo☆
[摘要] IsolatedchromatinoftheseaurchinembryosupportsRNAsynthesiscatalyzedbyexogenousRNApolymerase.Suchchromatin-primedRNAsynthesispossessesthegeneralcharacteristicsknownforDNA-dependentRNAsynthesis.PluteuschromatinismoreactiveinsupportofRNAsynthesisthanisblastulachromatin.Theresultssuggestthatmoregenesareavailablefortranscriptioninpluteuschromatin.RemovalofproteinsassociatedwithDNAinchromatinincreasestemplateactivityandabolishesthedifferenceintemplateactivitybetweenblastulaandpluteuschromatin.Blastulachromatincontainsslightlymorehistonethandoespluteuschromatin,whereasnonhistoneproteincontentissubstantiallygreaterinthelatter.
[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]