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Rearrangement of chloroplast ribosomal cistrons by unequal crossing-over in Euglena gracilis

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Summary

The chloroplast DNA of a wild type photosynthetic variant of Euglena gracifs (ATCC n° 10616) with five ribosomal cistrons has been analyzed by restriction mapping. The results complete the electron microscope study of Koller and Delius (MGG 188, 305, 1982); they support a model of formation of the variant DNA by rearrangement of the wild type ribosomal cistrons through unequal crossing-over. The recombination sites have been determined. The recombination model proposed also explains the formation of the “Z-S” variant with a single ribosomal cistron (Wurtz and Buetow 1981).

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Authors and Affiliations

  1. Département de Biologic Générale et Appliquée, Université Claude Bernard Lyon I, 43, Boulevard du 11 Novembre 1918, F-69622, Villeurbanne Cedex, France

    Frédéric Flamant, Philippe Heizmann & Victor Nigon

Authors
  1. Frédéric Flamant
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  2. Philippe Heizmann
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  3. Victor Nigon
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Flamant, F., Heizmann, P. & Nigon, V. Rearrangement of chloroplast ribosomal cistrons by unequal crossing-over in Euglena gracilis . Curr Genet 8, 9–13 (1984). https://doi.org/10.1007/BF00405424

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  • DOI: https://doi.org/10.1007/BF00405424

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