Query: NC_014964:388458 Thermoanaerobacter brockii subsp. finnii Ako-1 chromosome, complete
Lineage: Thermoanaerobacter brockii; Thermoanaerobacter; Thermoanaerobacteraceae; Thermoanaerobacterales; Firmicutes; Bacteria
General Information: Isolation: Lake sediment; Africa, Lake Kivu; Temp: Thermophile; Temp: 65C. Thermoanaerobacter brockii is a thermophilic gram positive anaerobe that has been isolated from lake sediment, oil wells and hot springs. This organism ferments hexoses and pyruvate and can reduce thiosulfate to hydrogen sulfide.
Subject: NC_010556:2773396 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.