ArticleBMC genomics2011
Complete genome sequence of the filamentous anoxygenic phototrophic bacterium Chloroflexus aurantiacus.
Article in BMC genomics, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.
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Who cites it
49 citing papers in PubMed, 116 citations in OpenAlex.
- Structural basis of menaquinone reduction by succinate dehydrogenase from Chloroflexus aurantiacus.Nature communications · 2025Article
- Structure of ATP synthase from an early photosynthetic bacteriumProceedings of the National Academy of Sciences of the United States of America · 2025Article
- Cryo-EM structure of HQNO-bound alternative complex III from the anoxygenic phototrophic bacterium Chloroflexus aurantiacus.The Plant cell · 2024Article
- Sewage sludge fertilization affects microbial community structure and its resistome in agricultural soils.Scientific reports · 2024Article
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- A cytochrome cPlant communications · 2024Article
- Spatial and temporal dynamics at an actively silicifying hydrothermal system.Frontiers in microbiology · 2023Article
- Proteomic Time-Course Analysis of the Filamentous Anoxygenic Phototrophic Bacterium,Microorganisms · 2022Article
- Crystal Structure of an Intramolecular Mesaconyl-Coenzyme A Transferase From the 3-Hydroxypropionic Acid Cycle ofFrontiers in microbiology · 2022Article
- In-Situ Metatranscriptomic Analyses Reveal the Metabolic Flexibility of the Thermophilic Anoxygenic Photosynthetic BacteriumMicroorganisms · 2021Article
- Structural and Functional Elucidation of IF-3 Protein ofBioMed research international · 2021Article
- Draft Genome Sequence of a Filamentous Anoxygenic Phototrophic Bacterium, "Microbiology resource announcements · 2020Article
- Microbiota of the Therapeutic Euganean Thermal Muds with a Focus on the Main Cyanobacteria Species.Microorganisms · 2020Article
- Deciphering the functional role of hypothetical proteins fromMolecular biology research communications · 2020Article
- Hot in Cold: Microbial Life in the Hottest Springs in Permafrost.Microorganisms · 2020Article
- A Novel Microbialite-Associated Phototrophic Chloroflexi Lineage Exhibiting a Quasi-Clonal Pattern along Depth.Genome biology and evolution · 2020Article
- Structural basis underlying the electron transfer features of a blue copper protein auracyanin from the photosynthetic bacterium Roseiflexus castenholzii.Photosynthesis research · 2020Article
- Aerobic Production of Bacteriochlorophylls in the Filamentous Anoxygenic Photosynthetic Bacterium, Chloroflexus aurantiacus in the Light.Microbes and environments · 2020Article
- Sulfide-dependent Photoautotrophy in the Filamentous Anoxygenic Phototrophic Bacterium, Chloroflexus aggregans.Microbes and environments · 2019Article
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Authors and funding
15 authors at 5 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundChloroflexus aurantiacus is a thermophilic filamentous anoxygenic phototrophic (FAP) bacterium, and can grow phototrophically under anaerobic conditions or chemotrophically under aerobic and dark conditions. According to 16S rRNA analysis, Chloroflexi species are the earliest branching bacteria capable of photosynthesis, and Cfl. aurantiacus has been long regarded as a key organism to resolve the obscurity of the origin and early evolution of photosynthesis. Cfl. aurantiacus contains a chimeric photosystem that comprises some characters of green sulfur bacteria and purple photosynthetic bacteria, and also has some unique electron transport proteins compared to other photosynthetic bacteria.
methodsThe complete genomic sequence of Cfl. aurantiacus has been determined, analyzed and compared to the genomes of other photosynthetic bacteria.
resultsAbundant genomic evidence suggests that there have been numerous gene adaptations/replacements in Cfl. aurantiacus to facilitate life under both anaerobic and aerobic conditions, including duplicate genes and gene clusters for the alternative complex III (ACIII), auracyanin and NADH:quinone oxidoreductase; and several aerobic/anaerobic enzyme pairs in central carbon metabolism and tetrapyrroles and nucleic acids biosynthesis. Overall, genomic information is consistent with a high tolerance for oxygen that has been reported in the growth of Cfl. aurantiacus. Genes for the chimeric photosystem, photosynthetic electron transport chain, the 3-hydroxypropionate autotrophic carbon fixation cycle, CO2-anaplerotic pathways, glyoxylate cycle, and sulfur reduction pathway are present. The central carbon metabolism and sulfur assimilation pathways in Cfl. aurantiacus are discussed. Some features of the Cfl. aurantiacus genome are compared with those of the Roseiflexus castenholzii genome. Roseiflexus castenholzii is a recently characterized FAP bacterium and phylogenetically closely related to Cfl. aurantiacus. According to previous reports and the genomic information, perspectives of Cfl. aurantiacus in the evolution of photosynthesis are also discussed.
conclusionsThe genomic analyses presented in this report, along with previous physiological, ecological and biochemical studies, indicate that the anoxygenic phototroph Cfl. aurantiacus has many interesting and certain unique features in its metabolic pathways. The complete genome may also shed light on possible evolutionary connections of photosynthesis.
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