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A hydrogenosome with a genome

Author

Listed:
  • Anna Akhmanova

    (University of Nijmegen
    Erasmus University)

  • Frank Voncken

    (University of Nijmegen)

  • Theo van Alen

    (University of Nijmegen)

  • Angela van Hoek

    (University of Nijmegen)

  • Brigitte Boxma

    (University of Nijmegen)

  • Godfried Vogels

    (University of Nijmegen)

  • Marten Veenhuis

    (University of Groningen)

  • Johannes H.P. Hackstein

    (University of Nijmegen)

Abstract

Some anaerobic protozoa and chytridiomycete fungi possess membrane-bound organelles known as hydrogenosomes. Hydrogenosomes are about 1 micrometre in diameter and are so called because they produce molecular hydrogen1. It has been postulated that hydrogenosomes evolved from mitochondria by the concomitant loss of their respiration and organellar genomes1,4, and so far no hydrogenosome has been found that has a genome1,2. Here we provide evidence for the existence of a hydrogenosomal genome of mitochondrial descent, and show that the anaerobic heterotrichous ciliate Nyctotherus ovalis possesses a new type of nuclear-encoded ‘iron-only’ hydrogenase enzyme.

Suggested Citation

  • Anna Akhmanova & Frank Voncken & Theo van Alen & Angela van Hoek & Brigitte Boxma & Godfried Vogels & Marten Veenhuis & Johannes H.P. Hackstein, 1998. "A hydrogenosome with a genome," Nature, Nature, vol. 396(6711), pages 527-528, December.
    • Handle: RePEc:nat:nature:v:396:y:1998:i:6711:d:10.1038_25023
    DOI: 10.1038/25023
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    Cited by:

    1. Pavel Dolezal & Michael J Dagley & Maya Kono & Peter Wolynec & Vladimir A Likić & Jung Hock Foo & Miroslava Sedinová & Jan Tachezy & Anna Bachmann & Iris Bruchhaus & Trevor Lithgow, 2010. "The Essentials of Protein Import in the Degenerate Mitochondrion of Entamoeba histolytica," PLOS Pathogens, Public Library of Science, vol. 6(3), pages 1-13, March.

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