Kineococcus radiotolerans SRS30216

Kineococcus_radiotolerans
Names Kineococcus radiotolerans SRS30216
Accession numbers NC_009660, NC_009664, NC_009806
Background Kineococcus radiotolerans (strain ATCC BAA-149 / DSM 14245 / SRS30216) is an aerobic coccoid bacterium originally isolated from a high-level radioactive waste cell at the Savannah River Site in Aiken, South Carolina, USA. This is the type strain of the species. It produces an orange carotenoid-like pigment. The bacterium typically forms symmetrical, multi-cell clusters in which each cell is surrounded by a thick extracellular polymer shell. In cultures supplemented with sandy loam extract, single cells become predominantly motile due to appearance of single polar flagellum. Cell growth occurs between 11-41 degrees Celsius, pH 5-9, and in the presence of 5% NaCl and 20% glucose. Carbohydrates and alcohols are primary growth substrates. Similarly to Deinococcus radiodurans, K. radiotolerans exhibits a high degree of resistance to ionizing gamma-radiation. Cells are also highly resistant to dessication. Kineococcus-like 16S rRNA gene sequences have been reported from the Mojave desert and other arid environments where these bacteria seem to be ubiquitous. Because of its high resistance to ionizing radiation and desiccation, K. radiotolerans has potential use in applications involving in situ biodegradation of problematic organic contaminants from highly radioactive environments. Moreover, comparative functional genomic characterization of this species and other known radiotolerant bacteria such as Deinococcus radiodurans and Rubrobacter xylanophilus will shed light onto the strategies these bacteria use for survival in high radiation environments, as well as the evolutionary origins of radioresistance and their highly efficient DNA repair machinery. (EBI Integr8)
Taxonomy
Kingdom:Bacteria
Phylum:Actinobacteria
Class:Actinobacteria
Order:Actinomycetales
Family:Kineosporiaceae
Genus:Kineococcus
Species:radiotolerans
Strain SRS30216
Complete Yes
Sequencing centre (04-JUL-2007) US DOE Joint Genome Institute, 2800 Mitchell Drive B100, Walnut Creek, CA 94598-1698, USA
(13-AUG-2009) National Center for Biotechnology Information, NIH, Bethesda, MD 20894, USA
(14-AUG-2008) US DOE Joint Genome Institute, 2800 Mitchell Drive B100, Walnut Creek, CA 94598-1698, USA
Sequencing quality Level 6: Finished
Sequencing depth NA
Sequencing method Sanger
Isolation site High-level radioactive waste cell at the Savannah River Site in Aiken of South Carolina in 2002
Isolation country USA
Number of replicons 3
Gram staining properties Positive
Shape Cocci
Mobility No
Flagellar presence Yes
Number of membranes 1
Oxygen requirements Aerobic
Optimal temperature 32.0
Temperature range Mesophilic
Habitat Multiple
Biotic relationship Free living
Host name NA
Cell arrangement Clusters, Singles
Sporulation Nonsporulating
Metabolism NA
Energy source NA
Diseases None
Pathogenicity No