The characteristics of the spindle fiber attachments(SFAs) enriched fraction from mouse nuclei

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摘要 Thecharacteristicsoftheparticulatemousecentromereenrichedfractionfromisolatednucleiobtainedinourlaboratorywereinvestigatedbyindirectimmunofluorescence,testoftheactivityofmicrotubuleorganizingcenter(MTOC),SDS-PAGE,andfluorescenceinsituhybridization.MostoftheparticlesofthefractionarecomplexesofDNAandkinetochoreproteinsandshowMTOCactivity.TheDNAisolatedfromthefractioncanhybridizewithDNAintheregionsoftheprimaryconstrictionsofallchromosomesofascionsoftheprimaryconstrictionsofallchromosomesofascitescells.Thekinetochoreproteinsisolatedfromthefractionaremainlythosewithmolecularweightof55KDand59KD.Resultssuggestedthatthefractionobtainedisacentromereenrichednuclearfractionasindicatedinourpreviousreport.
机构地区 不详
出处 《细胞研究:英文版》 1993年2期
出版日期 1993年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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