Query: NC_016931:269537 Rickettsia massiliae str. AZT80 chromosome, complete genome Lineage: Rickettsia massiliae; Rickettsia; Rickettsiaceae; Rickettsiales; Proteobacteria; Bacteria General Information: Members of this genus, like other Rickettsial organisms such as Neorickettsia and Anaplasma, are obligate intracellular pathogens. In both groups, the bacteria are transmitted via an insect, usually a tick, to a host organism where they target endothelial cells and sometimes macrophages. They attach via an adhesin, rickettsial outer membrane protein A, and are internalized where they persist as cytoplasmically free organisms. This bacterium is a member of the spotted fever group of the Rickettsiales and has been isolated from ticks in Europe and Africa. Rickettsia massiliae does not appear to cause disease in humans.
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General Information: This organism was originally identified as Pyrococcus sp. strain KOD1. It was isolated from a solfatara on Kodakara Island, Japan. Hyperthermophilic archeon. This genus is a member of the order Thermococcales in the Euryarchaeota. Thermococcus sp. are the most commonly isolated hyperthermophilic organisms and are often isolated from marine hydrothermal vents and terrestrial hot sulfur springs. Elemental sulfur is either required for, or stimulates, growth. These obligate heterotrophs can ferment a variety of organic compounds, including peptides, amino acids, and sugars in the absence of sulfur. Thermococcus kodakaraensis is a hyperthermophilic archeon. Proteins from this organism have been extensively studied to find thermostable enzymes for industrial and biotechnological applications.