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Similarities among ribosomal RNA's of angiospermae and gymnospermae

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Summary

Competitive hybridization of ribosomal RNAs was used to estimate similarities of nucleotide sequences between species ofAngiospermae andGymnospermae. Similarities have been measured with respect toCucumis sativus. InAngiospermae the nucleotide sequences are highly conserved except in the species of the family ofCompositae, where the percentages of similarity are clearly lower. In theGymnospermae the lowest similarity has been observed withTorreya californica. A relationship is hypothesized between conservation of rRNA nucleotide sequences and evolutionary position of the species.

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Abbreviations

MAK:

Methylated albumin kieselguhr

SDS:

sodium dodecyl sulphate

SSC:

0.15 M NaCl + 0.015 M Na citrate

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Authors and Affiliations

  1. Institute of Genetics, University of Bari, Italy

    F. Maggini

  2. Institute of Botany, University of Rome, Italy

    R. I. De Dominicis & G. Salvi

Authors
  1. F. Maggini
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  2. R. I. De Dominicis
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  3. G. Salvi
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Maggini, F., De Dominicis, R.I. & Salvi, G. Similarities among ribosomal RNA's of angiospermae and gymnospermae. J Mol Evol 8, 329–335 (1976). https://doi.org/10.1007/BF01739258

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  • DOI: https://doi.org/10.1007/BF01739258

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