Chloroplast ribosomal RNA genes in the chloroplast DNA of Euglena gracilis

Euglena chloroplast DNA has a buoyant density in CsCI of 1.686. Shearing this DNA produces a satellite band at density 1.700. The satellite, easily lost during preparative CsCI gradient centrifugation of chloroplast DNA, contains the genes for chloroplast ribosomal RNA. Pure Euglena chloroplast DNA...

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Veröffentlicht in:Journal of molecular biology 1973-06, Vol.77 (1), p.125-132
Hauptverfasser: Rawson, James R.Y., Haselkorn, Robert
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Haselkorn, Robert
description Euglena chloroplast DNA has a buoyant density in CsCI of 1.686. Shearing this DNA produces a satellite band at density 1.700. The satellite, easily lost during preparative CsCI gradient centrifugation of chloroplast DNA, contains the genes for chloroplast ribosomal RNA. Pure Euglena chloroplast DNA is shown to contain one set of ribosomal RNA genes for each 90 × 10 6 daltons of DNA.
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subjects Animals
Centrifugation, Density Gradient
Chloroplasts - analysis
DNA - analysis
Electrophoresis, Polyacrylamide Gel
Euglena gracilis - analysis
Genes
Molecular Weight
Nucleic Acid Hybridization
Pressure
RNA, Ribosomal - isolation & purification
Spectrophotometry, Ultraviolet
Tritium
Ultrasonics
title Chloroplast ribosomal RNA genes in the chloroplast DNA of Euglena gracilis
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