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XB-ART-28682
Proc Natl Acad Sci U S A 1986 May 01;839:2924-8.
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Temporal order of replication of Xenopus laevis 5S ribosomal RNA genes in somatic cells.

Gilbert DM.


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The timing of replication of both the somatic and oocyte-type 5S ribosomal RNA genes of Xenopus laevis was determined in cultured cells by using 5-bromodeoxyuridine labeling of DNA coupled with a retroactive synchrony technique employing the fluorescence-activated cell sorter (FACS). The somatic genes replicate very early in S phase, while the oocyte genes replicate very late. These experiments provide direct evidence for a model [Gottesfeld, J. & Bloomer, L. S. (1982) Cell 28, 781-791] in which the transcription-activating factor TFIIIA is required at the time of Xenopus 5S rRNA gene replication to facilitate transcription of these genes.

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Species referenced: Xenopus laevis
Genes referenced: gtf3a

References [+] :
Balazs, The temporal order of replication of some DNA cistrons. 1974, Pubmed