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Current Genetics

, Volume 22, Issue 2, pp 163–165 | Cite as

RNA editing in the mitochondria of a conifer

  • Jeffrey C. Glaubitz
  • John E. Carlson
Original Articles

Summary

A 712-base portion of the mitochondrial gene coxI and the corresponding portion of the coxI transcript were amplified by PCR and by RT-PCR, respectively, from the gymnosperm western red cedar. Sequence comparison of amplified coxI DNA and mRNA revealed 26 C-to-U differences that are best explained by RNA editing of the type known to occur in angiosperms. This finding suggests that mitochondrial RNA-editing of the C-to-U type arose before the divergence of gymnosperms and angiosperms and can be considered a feature common to all higher plants.

Key words

RNA editing coxI Gymnosperm Thuja plicata 

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Copyright information

© Springer-Verlag 1992

Authors and Affiliations

  • Jeffrey C. Glaubitz
    • 1
  • John E. Carlson
    • 1
  1. 1.Biotechnology LaboratoryUniversity of British ColumbiaVancouverCanada

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