PMID: 6160467Jul 25, 1980Paper

Comparison of polysomal and nuclear poly(A)-containing RNA populations from normal rat liver and Novikoff hepatoma

Nucleic Acids Research
Y G Capetanaki, A Alonso

Abstract

Polysomal and nuclear poly(A)-containing RNA of normal rat liver and Novikoff hepatoma cells have been compared by cDNA.RNA hybridization kinetics. Homologous hybridization reactions revealed at total kinetic complexity of about 1.6 X 10(10) and 1.38 X 10(10) daltons for liver and Novikoff mRNA respectively. The high abundance component present in liver cannot be detected in Novikoff. It was found from heterologous reactions that about 30% by weight of mRNA sequences are specific to liver. Determination of the nuclear poly(A)-containing RNA complexities revealed that about 5.5% and 4% of the haploid genome is expressed in the liver and Novikoff respectively. In a heterologous reaction, up to 30% of the liver cDNA failed to form hybrids with Novikoff nuclear RNA. Cross hybridizations have further revealed abundance shifts in both nuclear and polysomal RNA populations. Some sequences abundant in liver are less abundant in Novikoff and some rare liver sequences are relatively abundant in Novikoff.

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Citations

Jan 1, 1982·European Journal of Biochemistry·H Jacobs, G D Birnie
Aug 1, 1982·European Journal of Biochemistry·D BuffardR Esnault
Feb 28, 1983·Biochemical and Biophysical Research Communications·M H Lai, G Weber
Jul 16, 1982·Biochemical and Biophysical Research Communications·C E SchwartzJ F Chiu
Jul 27, 2000·Annals of the New York Academy of Sciences·M FrohmeJ D Hoheisel
Mar 1, 1982·Molecular and Cellular Biology·Y G CapetanakiA Alonso

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