Query: NC_009848:3190619 Bacillus pumilus SAFR-032, complete genome Lineage: Bacillus pumilus; Bacillus; Bacillaceae; Bacillales; Firmicutes; Bacteria General Information: Bacillus pumilus SAFR-032 was isolated from the Spacecraft Assembly Facility at NASA Jet Propulsion Laboratory, USA and produces spores highly resistant to UV radiation. A ubiquitous soil organism. Bacillus pumilus is a naturally occurring, ubiquitous soil microorganism. Commonly found in a variety of food commodities, some strains have developed an increased tolerance to gamma irradiation. This bacterium colonizes the root zone of some plants, where it inhibits soil-borne fungal diseases and nematodes. It is also undergoing evaluation for commercial production of cellulase, an enzyme used for conversion of cellulolytic materials to soluble sugars or solvents.
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General Information: This organism was one of the first bacteria studied, and was named Vibrio subtilis in 1835 and renamed Bacillus subtilis in 1872. It is one of the most well characterized bacterial organisms, and is a model system for cell differentiation and development. This soil bacterium can divide asymmetrically, producing an endospore that is resistant to environmental factors such as heat, acid, and salt, and which can persist in the environment for long periods of time. The endospore is formed at times of nutritional stress, allowing the organism to persist in the environment until conditions become favorable. Prior to the decision to produce the spore the bacterium might become motile, through the production of flagella, and also take up DNA from the environment through the competence system. The sporulation process is complex and involves the coordinated regulation of hundreds of genes in the genome. This initial step results in the coordinated asymmetric cellular division and endospore formation through multiple stages that produces a single spore from the mother cell.