Deinococcus maricopensis (Rainey and da Costa 2005) is a member of the genus Deinococ-cus, which is comprised of 44 validly named species and is located within the deeply branching bacterial phylum Deinococcus-Thermus. Strain LB-34T was isolated from a soil sample from the Sonoran Desert in Arizona. Various species of the genus Deinococcus are characterized by extreme radiation resistance, with D. maricopensis being resistant in excess of 10 kGy. Even though the genomes of three Deinococcus species, D. radiodurans, D. geo-thermalis and D. deserti, have already been published, no special physiological characteristic is currently known that is unique to this group. It is therefore of special interest to analyze the genomes of additional species of the genus Deinococcus to better understand how these spe-cies adapted to gamma- or UV ionizing-radiation. The 3,498,530 bp long genome of D. ma-ricopensis with its 3,301 protein-coding and 66 RNA genes consists of one circular chromo-some and is a part of the Genomic Encyclopedia of Bacteria and Archaea project.
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