The hydrogenosomes of Psalteriomonas lanterna |
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| Authors: | Rob M de Graaf Isabel Duarte Theo A van Alen Jan WP Kuiper Klaas Schotanus J?rg Rosenberg Martijn A Huynen Johannes HP Hackstein |
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| Affiliation: | (1) Department of Evolutionary Microbiology, IWWR, Radboud University Nijmegen, Heyendaalseweg 135, 6525AJ Nijmegen, The Netherlands;(2) Center for Molecular and Biomolecular Informatics, Nijmegen Center for Molecular Life Sciences, Radboud University Nijmegen Medical Centre, Geert Grooteplein 28, 6525GA Nijmegen, The Netherlands;(3) Sommerhaus 45, D-50129 Bergheim, Germany;(4) CIHR Group in Matrix Dynamics, University of Toronto, 150 College Street, M5S 3E2 Toronto, Ontario, Canada;(5) Department of Ecology and Evolutionary Biology, 106A Guyot Hall, Princeton University, Princeton, NJ 08554-2016, USA;(6) Netherlands Bioinformatic Centre, Geert Grooteplein 28, 6525 GA, Nijmegen, The Netherlands |
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| Abstract: | ![]()
Background Hydrogenosomes are organelles that produce molecular hydrogen and ATP. The broad phylogenetic distribution of their hosts suggests that the hydrogenosomes of these organisms evolved several times independently from the mitochondria of aerobic progenitors. Morphology and 18S rRNA phylogeny suggest that the microaerophilic amoeboflagellate Psalteriomonas lanterna, which possesses hydrogenosomes and elusive "modified mitochondria", belongs to the Heterolobosea, a taxon that consists predominantly of aerobic, mitochondriate organisms. This taxon is rather unrelated to taxa with hitherto studied hydrogenosomes. |
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