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Physical mappings of chloroplast DNA from liverwort Marchantia polymorpha L. cell suspension cultures

MGG Molecular & General Genetics, ISSN: 0026-8925, Vol: 189, Issue: 1, Page: 1-9
1983
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  • Citations
    41
    • Citation Indexes
      41
  • Captures
    11

Article Description

Physical maps of liverwort Marchantia polymorpha chloroplast DNA were constructed with restriction endonucleases, BamHI, SmaI, KpnI, and XhoI. The molecular size, calculated from the sum of the restriction fragments, is 121.0±1.0 kilobase (kb) pairs. This value is in good agreement with that of 118.7±2.0 kb pairs obtained from contour length measurements of the chloroplast DNA electron micrographs. The physical map indicates that the chloroplast DNA contains two copies of inverted repeats. The length of the inverted repeat is at most 11.7 kb pairs. Southern hybridization analysis indicates that two sets of the chloroplast ribosomal RNA genes are located in the inverted repeat regions. The site of the ribulose bisphosphate (RuBP) carboxylase (large subunit) gene was also determined on a BamHI fragment, Ba5, by using P-labeled DNA fragments containing the tobacco chloroplast RuBP carboxylase gene as a probe. © 1983 Springer-Verlag.

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