Location of DNA sequences complementary to small nuclear repeat RNA (fr 3-RNA) in relation to DNA sequences coding for albumin and α-fetoprotein in rat liver cells

Huey Ru Hwu, John Papaconstantinou, Viktor Holoubek

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Rat liver nuclei contain a 29-nucleotides-long RNA (fr 3-RNA) which is transcribed from middle repetitive DNA sequences. By Southern analysis of restriction fragments of rat albumin and α-fetoprotein genomic clones, DNA sequences complementary to this RNA were detected on a 4.6 kbp EcoRI fragment located 600 bp downstream from the termination exon of the albumin gene and on a 2 kbp EcoRI-HindIII fragment located 10 kbp downstream from the restriction fragment containing the α-fetoprotein site. No sequence complementary to this RNA was found either in the introns of exons of both genes or in the regions extending 7 kbp upstream from the first albumin exon and 10 kbp upstream of the first α-fetoprotein exon. We concluded that sequences complementary to fr 3-RNA are present at the 3′-end flanking regions of the rat albumin and α-fetoprotein gene complexes.

Original languageEnglish (US)
Pages (from-to)164-169
Number of pages6
JournalBBA - Gene Structure and Expression
Volume782
Issue number2
DOIs
StatePublished - Jun 16 1984

Keywords

  • (Rat liver)
  • Albumin gene
  • Repetitive sequence
  • fr 3-RNA
  • α-Fetoprotein gene

ASJC Scopus subject areas

  • Structural Biology
  • Biophysics
  • Biochemistry
  • Genetics

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