Pre_GI: SWBIT SVG BLASTP

Query: 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.

Subject: NC_007181:1094422 Sulfolobus acidocaldarius DSM 639, complete genome

Lineage: Sulfolobus acidocaldarius; Sulfolobus; Sulfolobaceae; Sulfolobales; Crenarchaeota; Archaea

General Information: Sulfolobus acidocaldarius DSM 639 was isolated from and acidic hot spring in Yellowstone National Park. Extreme thermoacidophilic sulfur-oxidizing archaeon. This organsim is an extreme thermoacidophilic, sulfur-oxidizing archaeon commonly found in hot springs growing at very high temperatures. This obligate aerobe is immotile and grows at a temperature of 55-85 degrees C with optimal growth at 70-75 degrees C. The pH for growth is 1-6 with an optimum pH 2-3.