ArticleJournal of bioenergetics and biomembranes2003
New genes encoding subunits of a cytochrome bc1-analogous complex in the respiratory chain of the hyperthermoacidophilic crenarchaeon Sulfolobus acidocaldarius.
Article in Journal of bioenergetics and biomembranes, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 31 citations in OpenAlex.
- Cyclization of archaeal membrane lipids impacts membrane protein activity and archaellum formation.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Profiling of glucose-induced transcription in Sulfolobus acidocaldarius DSM 639.Genes & genomics · 2018Article
- Metal-tolerant thermophiles: metals as electron donors and acceptors, toxicity, tolerance and industrial applications.Environmental science and pollution research international · 2018Review
- Early Response ofFrontiers in microbiology · 2018Article
- How a Genetically Stable Extremophile Evolves: Modes of Genome Diversification in the Archaeon Sulfolobus acidocaldarius.Journal of bacteriology · 2017Article
- Genome analysis of the thermoacidophilic archaeon Acidianus copahuensis focusing on the metabolisms associated to biomining activities.BMC genomics · 2017Article
- Archaeal signal transduction: impact of protein phosphatase deletions on cell size, motility, and energy metabolism in Sulfolobus acidocaldarius.Molecular & cellular proteomics : MCP · 2013Article
- Phylogeny of Rieske/cytb complexes with a special focus on the Haloarchaeal enzymes.Genome biology and evolution · 2012Article
- The complete genome sequence of Thermoproteus tenax: a physiologically versatile member of the Crenarchaeota.PloS one · 2011Article
- Identification of components of electron transport chains in the extremely thermoacidophilic crenarchaeon Metallosphaera sedula through iron and sulfur compound oxidation transcriptomes.Applied and environmental microbiology · 2008Article
- Life in hot acid: pathway analyses in extremely thermoacidophilic archaea.Current opinion in biotechnology · 2008Review
- The genome sequence of the metal-mobilizing, extremely thermoacidophilic archaeon Metallosphaera sedula provides insights into bioleaching-associated metabolism.Applied and environmental microbiology · 2008Article
- Ferrous iron- and sulfur-induced genes in Sulfolobus metallicus.Applied and environmental microbiology · 2007Article
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4 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The soxL gene from Sulfolobus acidocaldarius (DSM 639) encodes a Rieske iron-sulfur protein. In this study we report the identification of two open reading frames in its downstream region. The first one, named soxN, codes for a membrane protein bearing a resemblance to the b-type cytochromes of the cytochrome bc1 and b6f complexes. The protein is predicted to contain at least 10 transmembrane helices and features the two conserved histidine pairs coordinating the heme groups of these cytochromes. The second open reading frame, named odsN, encodes a soluble protein of unknown function. The genomic region displays a complex transcription pattern. Northern blot and RT-PCR analyses revealed the presence of mono- and bi-cistronic transcripts as well as a tri-cistronic transcript of soxL and cbsAB, encoding the mono-heme cytochrome b558/566. Phylogenetic analyses of the genes of the soxLN pair and of other archaeal gene pairs encoding Rieske iron-sulfur proteins and b-type cytochromes revealed an identical branching patterns for both protein families, suggesting an evolutionary link of these genes provided by the functional interaction of the proteins. On the basis of the findings of this study and the previously studied properties of the soxL and cbsA proteins, we propose the occurrence of a novel cytochrome bc1-analogous complex in the membranes of Sulfolobus, consisting of the cytochrome b homolog soxN, the Rieske protein soxL, the high potential cytochrome cbsA, as well as the non-redox-active subunits cbsB and odsN.
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