Cell and Tissue Biology

, Volume 7, Issue 4, pp 369–374 | Cite as

Telomeric DNA length and phylogenetic relationship of Baikal and Siberian planarians (Turbellaria, Tricladida)

  • A. G. Koroleva
  • E. V. Evtushenko
  • O. A. Timoshkin
  • A. V. Vershinin
  • S. V. Kirilchik
Article

Abstract

Dynamics of the telomeric DNA (tDNA) length and the phylogeny of Baikal and Siberian planarians have been studied based on analysis of 18S rDNA and β-actin gene fragments. It was shown that there is a relationship between tDNA length and planarian size. Giant planarians, with a minor exception, have longer tDNA than do smaller planarians. Phylogenetic affinity between species that have stretched tracks of tDNA, large sizes, and similar habitats denotes the possible role of tDNA in the development of the high regenerative capacity of planarians.

Keywords

planarians Baikal length of telomere DNA phylogenetic analysis actin 18S rRNA 

Abbreviations

bp

base pairs

kbp

kilobase pairs

tDNA

telomeric DNA

TRF

terminal restriction fragments

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Copyright information

© Pleiades Publishing, Ltd. 2013

Authors and Affiliations

  • A. G. Koroleva
    • 1
  • E. V. Evtushenko
    • 2
  • O. A. Timoshkin
    • 1
  • A. V. Vershinin
    • 2
  • S. V. Kirilchik
    • 1
  1. 1.Limnological InstituteRussian Academy of Sciences, Siberian BranchIrkutskRussia
  2. 2.Institute of Molecular and Cellular BiologyRussian Academy of Sciences, Siberian BranchNovosibirskRussia

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