Query: NC_013174:601434 Jonesia denitrificans DSM 20603, complete genome Lineage: Jonesia denitrificans; Jonesia; Jonesiaceae; Actinomycetales; Actinobacteria; Bacteria General Information: Isolation: Boiled ox blood; Temp: Mesophile; Temp: 37C. This species was formerly classified as Listeria denitrificans, and is the only species of the genus Jonesia. It is a Gram-positive nonspore-forming, motile rod that is catalase positive, oxidase negative, and facultatively anaerobic.
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Lineage: Exiguobacterium sibiricum; Exiguobacterium; Bacillales Family XII; Bacillales; Firmicutes; Bacteria
General Information: This organism was isolated from a 2-3 million-year permafrost core in Siberia, Russia and can survive and grow rapidly at low temperatures. Analysis of long-term survival of psychrophilic organisms such as this one may aid understanding of the potential growth of organisms in astrobiology. Exiguobacterium sibiricum is a psychrotolerant organism able to grow at temperatures that range from -6 to 40 degrees C. This organism is also able to survive repeated freeze/thaw cycles which may contribute to its ability to survive in cold environments.