ArticleGenome biology and evolution2012
Phylogeny of Rieske/cytb complexes with a special focus on the Haloarchaeal enzymes.
Article in Genome biology and evolution, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 19 citations in OpenAlex.
- Quinone binding sites of cyt bc complexes analysed by X-ray crystallography and cryogenic electron microscopy.Biochemical Society transactions · 2022Review
- Hikarchaeia demonstrate an intermediate stage in the methanogen-to-halophile transition.Nature communications · 2020Article
- Two Rieske Fe/S Proteins and TAT System inFrontiers in plant science · 2018Article
- Emergence of cytochrome bc complexes in the context of photosynthesis.Physiologia plantarum · 2017Article
- Eukaryotes first: how could that be?Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2015Review
- A new class of marine Euryarchaeota group II from the Mediterranean deep chlorophyll maximum.The ISME journal · 2015Article
- The evolution of respiratory O2/NO reductases: an out-of-the-phylogenetic-box perspective.Journal of the Royal Society, Interface · 2014Review
- The molecular evolution of the Qo motif.Genome biology and evolution · 2014Article
- The futalosine pathway played an important role in menaquinone biosynthesis during early prokaryote evolution.Genome biology and evolution · 2014Article
- Acquisition of 1,000 eubacterial genes physiologically transformed a methanogen at the origin of Haloarchaea.Proceedings of the National Academy of Sciences of the United States of America · 2012Article
- Evolution of cytochrome bc complexes: from membrane-anchored dehydrogenases of ancient bacteria to triggers of apoptosis in vertebrates.Biochimica et biophysica actaReview
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5 authors at 4 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Rieske/cytochrome b (Rieske/cytb) complexes are proton pumping quinol oxidases that are present in most bacteria and Archaea. The phylogeny of their subunits follows closely the 16S-rRNA phylogeny, indicating that chemiosmotic coupling was already present in the last universal common ancestor of Archaea and bacteria. Haloarchaea are the only organisms found so far that acquired Rieske/cytb complexes via interdomain lateral gene transfer. They encode two Rieske/cytb complexes in their genomes; one of them is found in genetic context with nitrate reductase genes and has its closest relatives among Actinobacteria and the Thermus/Deinococcus group. It is likely to function in nitrate respiration. The second Rieske/cytb complex of Haloarchaea features a split cytochrome b sequence as do Cyanobacteria, chloroplasts, Heliobacteria, and Bacilli. It seems that Haloarchaea acquired this complex from an ancestor of the above-mentioned phyla. Its involvement in the bioenergetic reaction chains of Haloarchaea is unknown. We present arguments in favor of the hypothesis that the ancestor of Haloarchaea, which relied on a highly specialized bioenergetic metabolism, that is, methanogenesis, and was devoid of quinones and most enzymes of anaerobic or aerobic bioenergetic reaction chains, integrated laterally transferred genes into its genome to respond to a change in environmental conditions that made methanogenesis unfavorable.
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