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Organization and Evolution of Ribosomal RNA Genes in Wheat Mitochondria

  • Michael W. Gray
  • Tai Y. Huh
  • Murray N. Schnare
  • David F. Spencer
  • Denis Falconet
Part of the NATO Advanced Science Institutes Series book series (NSSA, volume 63)

Abstract

Mitochondrial DNA (mtDNA) is known to encode the distinctive ribosomal RNA (rRNA) species found in the organelle-specific ribosomes that function in mitochondrial protein synthesis [1]. Qualitatively and quantitatively, rRNA production is a major genetic function of mtDNA, and the factors controlling mitochondrial rRNA (mt-rRNA) synthesis are therefore of great interest. Moreover, since homologous rRNA species are found in all systems (eukaryotic cytosol, prokaryotic, chloroplast, mitochondrial) having a ribosome-based translation system, comparative studies of these rRNAs and their genes are an important means of illuminating the evolutionary history of the eukaryotic cell and its organelles [2]. For these reasons, we have been investigating the organization and evolution of the rRNA genes in plant mitochondria, particularly those of wheat, Triticum aestivum.

Keywords

Mitochondrial Protein Synthesis Secondary Structure Model rRNA Code Mitochondrial rRNAs Sall Fragment 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1983

Authors and Affiliations

  • Michael W. Gray
    • 1
  • Tai Y. Huh
    • 1
  • Murray N. Schnare
    • 1
  • David F. Spencer
    • 1
  • Denis Falconet
    • 1
  1. 1.Department of BiochemistryDalhousie UniversityHalifaxCanada

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