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New insights into the metabolic potential of the phototrophic purple bacterium Rhodopila globiformis DSM 161T from its draft genome sequence and evidence for a vanadium-dependent nitrogenase

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Künzel,  Sven
Department Evolutionary Genetics, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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Citation

Imhoff, J., Rahn, T., Künzel, S., & Neulinger, S. (2018). New insights into the metabolic potential of the phototrophic purple bacterium Rhodopila globiformis DSM 161T from its draft genome sequence and evidence for a vanadium-dependent nitrogenase. Archives of Microbiology, 200(6), 847-857. doi:10.1007/s00203-018-1489-z.


Cite as: http://hdl.handle.net/21.11116/0000-0000-BA96-5
Abstract
Rhodopila globiformis: is the most acidophilic anaerobic anoxygenic phototrophic purple bacterium and was isolated from a warm acidic sulfur spring in Yellowstone Park. Its genome is larger than genomes of other phototrophic purple bacteria, containing 7248 Mb with a G + C content of 67.1% and 6749 protein coding and 53 RNA genes. The genome revealed some previously unknown properties such as the presence of two sets of structural genes pufLMC for the photosynthetic reaction center genes and two types of nitrogenases (Mo-Fe and V-Fe nitrogenase), capabilities of autotrophic carbon dioxide fixation and denitrification using nitrite. Rhodopila globiformis assimilates sulfate and utilizes the C1 carbon substrates CO and methanol and a number of organic compounds, in particular, sugars and aromatic compounds. It is among the few purple bacteria containing a large number of pyrroloquinoline quinone-dependent dehydrogenases. It has extended capacities to resist stress by heavy metals, demonstrates different resistance mechanisms to antibiotics, and employs several toxin/antitoxin systems. © 2018 Springer-Verlag GmbH Germany, part of Springer Nature