Abstract
Deinococcus maricopensis (Rainey and da Costa 2005) is a member of the genus Deinococcus, 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. geothermalis 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 species adapted to gamma- or UV ionizing-radiation. The 3,498,530 bp long genome of D. maricopensis with its 3,301 protein-coding and 66 RNA genes consists of one circular chromosome and is a part of the Genomic Encyclopedia of Bacteria and Archaea project.
Highlights
Strain LB-34T (= DSM 21211 = NRRL B-23946 = LMG 22137) is the type strain of Deinococcus maricopensis [1]
With the description of Deinobacter grandis by Oyaizu et al [3], a second genus was placed to the family Deinococcaceae, and in 1997 Rainey et al proposed to transfer Deinobacter to the genus Deinococcus, based on investigations of the phylogenetic diversity of the Deinococci as determined by 16S rRNA gene sequence analysis
The one yielding the highest score was D. radiodurans, which corresponded to an identity of 91.2% and an HSP coverage of 88.0%
Summary
Strain LB-34T (= DSM 21211 = NRRL B-23946 = LMG 22137) is the type strain of Deinococcus maricopensis [1]. In addition to the type strain LB34T, two more strains of this species, KR 1 and KR 23, were characterized by Rainey et al [1]. The generic name derives from the Greek words ‘deinos’ meaning ‘strange or unusual’ and ‘coccus’ meaning ‘a grain or berry’ [2]. The species epithet is derived from the Neo-Latin word ‘maricopensis’ referring to the Maricopa Nation, a native tribe in Arizona [1]. Strain LB 34T was isolated from desert soil in Arizona and described by Rainey et al in 2005 [1]. The genus Deinococcus was proposed in 1981 by Brooks and Murray [2] to separate the distinct radiation-resistant species from the genus Micrococcus in which those species
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