Russian Journal of Genetics

, Volume 37, Issue 9, pp 1068–1073 | Cite as

Evolution of Lycopodiaceae Inferred from Spacer Sequencing of Chloroplast rRNA Genes

  • S. P. Yatsentyuk
  • K. M. Valiejo-Roman
  • T. H. Samigullin
  • N. Wilkström
  • A. V. Troitsky


Nucleotide sequences of a chloroplast rDNA region including 8 bp from the 3" end of 23S rDNA–ITS2–4.5S rDNA–ITS3–5S rDNA–ITS4 (approximately 800 bp) were determined in 25 species of Lycopodiaceae and two species of the genus Isoetes. The rate of molecular evolution of spacers significantly varied in different Lycopsida taxa. A phylogenetic analysis by the neighbor-joining (NJ) method revealed that the family Lycopodiaceae is monophyletic. The topology of phylogenetic trees suggests the isolation of four or probably five genera in family Lycopodiaceae. For these genera, synapomorphic indels were detected. The obtained data were compared with the results of phylogenetic analysis of Lycopsida with regard to other sequences. The relationships of taxa within the family Lycopodiaceae is discussed.


Nucleotide Phylogenetic Analysis Nucleotide Sequence Phylogenetic Tree Molecular Evolution 
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

© MAIK “Nauka/Interperiodica” 2001

Authors and Affiliations

  • S. P. Yatsentyuk
    • 1
  • K. M. Valiejo-Roman
    • 1
  • T. H. Samigullin
    • 1
  • N. Wilkström
    • 2
  • A. V. Troitsky
    • 1
  1. 1.Belozerskii Institute of Molecular Biology and Bioorganic ChemistryMoscow State UniversityMoscowRussia
  2. 2.Department of Botany, The Natural History Museum, Cromwell RoadLondon

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