Query: NC_014032:1408967 Salinibacter ruber M8 chromosome, complete genome Lineage: Salinibacter ruber; Salinibacter; Rhodothermaceae; Bacteroidetes Order II; Bacteroidetes; Bacteria General Information: Salinibacter ruber (strain M8) is a brightly red-pigmented, motile, rod-shaped, extremely halophilic Gram-negative bacterium isolated from a saltern crystallizer pond in Mallorca, Spain. It grows optimally at salt concentrations between 20 and 30% and does not grow below 15% salt. S. ruber is among the most halophilic organisms known within the domain Bacteria. This organism is an extremely halophilic aerobe originally isolated from saltern crystallizer ponds in Spain. These bacteria can coexist in significant colonies with halophilic archaea under saline conditions. In contrast to other bacteria they do not regulate their intracellular salt conditions through proton pumps, but instead their protein makeup has adapted to be functional under high ionic conditions.
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General Information: This strain is a derivative strain isolated in the laboratory of Barry Marrs from the classical progenitor strain B10. It is rifampicin-resistant, produces GTA, and is capable of growing under high illumination (resistant to photooxidative killing). Bacteria belonging to the Rhodobacter group are metabolically versatile as they are able to use photosynthesis and usually can grow under both anaerobic and aerobic conditions. This organism is a facultatively phototrophic purple non-sulfur bacterium and the type species of the Rhodobacter group. The colony's color depends largely on the amount of oxygen present in its environment. While it is able to produce cellular energy in a number of different ways, it can rely on anoxygenic photosynthesis under anaerobic conditions in the presence of light. Some strains produce the Gene Transfer Element (GTA), a pro-phage particle capable of transferring genetic material between strains.