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For example, a bacterium that dies when exposed to air, can only be isolated if the sample is carried and processed under airless or anaerobic conditions. A bacterium that dies when exposed to room temperature (thermophilic) requires a pre-warmed transport container, and a microbe that dries and dies when carried on a cotton swab will need a ...
Limited proteolysis of a polypeptide during or after translation in protein synthesis often occurs for many proteins. This may involve removal of the N-terminal methionine, signal peptide, and/or the conversion of an inactive or non-functional protein to an active one.
The first of the Pyrobaculum species to be genetically sequenced, P. aerophilum (rod-shaped, 3–8 * 0.6 μm), has a rare characteristic for an archaeon because it is capable of aerobic respiration (aerophilum = "air-loving"). This is evident from the fact that the archaeon grew only in the presence of oxygen when nitrate was absent.
Geobacillus stearothermophilus (previously Bacillus stearothermophilus) [1] [2] is a rod-shaped, Gram-positive bacterium and a member of the phylum Bacillota.The bacterium is a thermophile and is widely distributed in soil, hot springs, ocean sediment, and is a cause of spoilage in food products.
The filter from station #107 was analyzed by the Carlsbad Environmental Monitoring and Research Center (CEMRC) and found to contain 0.64 becquerels (Bq) per cubic meter of air of americium-241 and 0.014 Bq of plutonium-239 and plutonium-240 per cubic meter of air (equivalent to 0.64 and 0.014 radioactive decay events per second per cubic meter ...