An anaerobic mitochondrion that produces hydrogen

Brigitte Boxma, Rob M. de Graaf, Georg W. M. van der Staay, Theo A. van Alen, Guenola Ricard, Toni Gabaldón, Angela H. A. M. van Hoek, Seung Yeo Moon- van der Staay, Werner J. H. Koopman, Jaap J. van Hellemond, Aloysius G. M. Tielens, Thorsten Friedrich, Marten Veenhuis, Martijn A. Huynen and Johannes H. P. Hackstein ()
Additional contact information
Brigitte Boxma: Radboud University Nijmegen
Rob M. de Graaf: Radboud University Nijmegen
Georg W. M. van der Staay: Radboud University Nijmegen
Theo A. van Alen: Radboud University Nijmegen
Guenola Ricard: Centre for Molecular and Biomolecular Informatics
Toni Gabaldón: Centre for Molecular and Biomolecular Informatics
Angela H. A. M. van Hoek: Radboud University Nijmegen
Seung Yeo Moon- van der Staay: Radboud University Nijmegen
Werner J. H. Koopman: Nijmegen Centre of Molecular Life Sciences (NCMLS), Radboud University Nijmegen Medical Centre
Jaap J. van Hellemond: Utrecht University
Aloysius G. M. Tielens: Utrecht University
Thorsten Friedrich: Institut für Organische Chemie und Biochemie
Marten Veenhuis: Groningen University
Martijn A. Huynen: Centre for Molecular and Biomolecular Informatics
Johannes H. P. Hackstein: Radboud University Nijmegen

Nature, 2005, vol. 434, issue 7029, 74-79

Abstract: Change in the air Hydrogenosomes are simple organelles found in anaerobic protists and fungi. They are double-membraned and produce ATP and hydrogen, hence suggestions that they are anaerobic derivatives of mitochondria. An alternative view suggests that mitochondria and hydrogenosomes arose from a common ancestor, a facultatively anaerobic bacterium. The discovery of a novel hydrogenosome in Nyctotherus ovalis, a ciliate that lives in the gut of cockroaches, further complicates this debate. It is unique among known hydrogenosomes because, just like a mitochondrion, it retains its own genome. This ‘missing link’ between hydrogenosomes and mitochondria also has remnants of an electron transport chain characteristic of an aerobic lifestyle.

Date: 2005
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DOI: 10.1038/nature03343

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