Biochemistry (Moscow)

, Volume 84, Issue 1, pp 56–61 | Cite as

Mitochondria in Obliquely Striated Muscles of the Horsehair Worm Gordionus alpestris (Nematomorpha, Gordioidea) with Structural Organization Typical of Cells with Energy-Intensive Processes

  • V. B. Vays
  • I. M. Vangeli
  • C. M. Eldarov
  • B. D. Efeykin
  • L. E. BakeevaEmail author


The ultrastructure of mitochondria in the flattened circomyarian fibers of the horsehair worm Gordionus alpestris (Nemathelminthes) was examined. In contrast to the previously published data, we showed these mitochondria to be giant elongated organelles that densely fill the central cytoplasmic space of the ribbon-like muscle fibers. No fundamental differ-ences were found in the ultrastructure of the muscle tissue mitochondria in actively moving free-living and parasitic G. alpestris worms. The functional significance of the observed ultrastructural organization of mitochondria is discussed in connection with the necessity for an extended mitochondrial membrane system for a uniform supply of active muscle tissue with energy.


mitochondria obliquely striated muscle ultrastructure 


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© Pleiades Publishing, Inc. 2019

Authors and Affiliations

  • V. B. Vays
    • 1
  • I. M. Vangeli
    • 1
  • C. M. Eldarov
    • 1
  • B. D. Efeykin
    • 2
  • L. E. Bakeeva
    • 1
    Email author
  1. 1.Belozersky Institute of Physico-Chemical BiologyLomonosov Moscow State UniversityMoscowRussia
  2. 2.Severtsov Institute of Ecology and EvolutionRussian Academy of SciencesMoscowRussia

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