ArticleJournal of bacteriology1999
Sulfide-quinone reductase from Rhodobacter capsulatus: requirement for growth, periplasmic localization, and extension of gene sequence analysis.
Article in Journal of bacteriology, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed, 98 citations in OpenAlex.
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- Simultaneous sulfide and methane oxidation by an extremophile.Nature communications · 2023Article
- Polysulfide metabolizing enzymes influence SqrR-mediated sulfide-induced transcription by impacting intracellular polysulfide dynamics.PNAS nexus · 2023Article
- Metabolic Potential of Microbial Communities in the Hypersaline Sediments of the Bonneville Salt Flats.mSystems · 2022Article
- Generation and Physiology of Hydrogen Sulfide and Reactive Sulfur Species in Bacteria.Antioxidants (Basel, Switzerland) · 2022Review
- Salt flat microbial diversity and dynamics across salinity gradient.Scientific reports · 2022Article
- Metagenomics Reveals Dominant Unusual Sulfur Oxidizers Inhabiting Active Hydrothermal Chimneys From the Southwest Indian Ridge.Frontiers in microbiology · 2022Article
- Anaerobic metabolism of Foraminifera thriving below the seafloor.The ISME journal · 2020Article
- Active sulfur cycling in the terrestrial deep subsurface.The ISME journal · 2020Article
- Cell Architecture of the Giant Sulfur Bacterium Achromatium oxaliferum: Extra-cytoplasmic Localization of Calcium Carbonate Bodies.FEMS microbiology ecology · 2020Article
- Sulfur Oxidation in the Acidophilic AutotrophicFrontiers in microbiology · 2018Review
- Cytoplasmic Localization of Sulfide:Quinone Oxidoreductase and Persulfide Dioxygenase of Cupriavidus pinatubonensis JMP134.Applied and environmental microbiology · 2017Article
- Sulfide Consumption in Sulfurimonas denitrificans and Heterologous Expression of Its Three Sulfide-Quinone Reductase Homologs.Journal of bacteriology · 2016Article
- Photosynthetic Versatility in the Genome ofFrontiers in microbiology · 2016Article
- The Diversity of Sulfide Oxidation and Sulfate Reduction Genes Expressed by the Bacterial Communities of the Cariaco Basin, Venezuela.The open microbiology journal · 2016Article
- Metagenome-Based Metabolic Reconstruction Reveals the Ecophysiological Function of Epsilonproteobacteria in a Hydrocarbon-Contaminated Sulfidic Aquifer.Frontiers in microbiology · 2015Article
- Whole-genome sequencing reveals novel insights into sulfur oxidation in the extremophile Acidithiobacillus thiooxidans.BMC microbiology · 2014Article
- Investigation of energy gene expressions and community structures of free and attached acidophilic bacteria in chalcopyrite bioleaching.Journal of industrial microbiology & biotechnology · 2012Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The entire sequence of the 3.5-kb fragment of genomic DNA from Rhodobacter capsulatus which contains the sqr gene and a second complete and two further partial open reading frames has been determined. A correction of the previously published sqr gene sequence (M. Schütz, Y. Shahak, E. Padan, and G. Hauska, J. Biol. Chem. 272:9890-9894, 1997) which in the deduced primary structure of the sulfide-quinone reductase changes four positive into four negative charges and the number of amino acids from 425 to 427 was necessary. The correction has no further bearing on the former sequence analysis. Deletion and interruption strains document that sulfide-quinone reductase is essential for photoautotrophic growth on sulfide. The sulfide-oxidizing enzyme is involved in energy conversion, not in detoxification. Studies with an alkaline phosphatase fusion protein reveal a periplasmic localization of the enzyme. Exonuclease treatment of the fusion construct demonstrated that the C-terminal 38 amino acids of sulfide-quinone reductase were required for translocation. An N-terminal signal peptide for translocation was not found in the primary structure of the enzyme. The possibility that the neighboring open reading frame, which contains a double arginine motif, may be involved in translocation has been excluded by gene deletion (rather, the product of this gene functions in an ATP-binding cassette transporter system, together with the product of one of the other open reading frames). The results lead to the conclusion that the sulfide-quinone reductase of R. capsulatus functions at the periplasmic surface of the cytoplasmic membrane and that this flavoprotein is translocated by a hitherto-unknown mechanism.
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