Query: NC_015315:1321000 Thermoproteus uzoniensis 768-20 chromosome, complete genome
Lineage: Thermoproteus uzoniensis; Thermoproteus; Thermoproteaceae; Thermoproteales; Crenarchaeota; Archaea
General Information: Thermoproteus uzoniensis strain 768-20 is a thermoacidophilic anaerobic crenarchaeon isolated from a solfataric field in Kamchatka, Russia.
Subject: NC_010556:6612 Exiguobacterium sibiricum 255-15, complete genome
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.