Pyrobaculum calidifontis JCM 11548

Pyrobaculum_calidifontis
Names Pyrobaculum calidifontis JCM 11548
Accession numbers NC_009073
Background Pyrobaculum calidifontis (strain JCM 11548 / VA1) is a facultative anaerobic, hyperthermophilic archaeon phylogenetically associated with the kingdom Crenarchaeota. This strain was isolated from a water sample at the surface of a hot spring in the Philippines and grows under atmospheric air. Pyrobaculum calidifontis cannot use sulfur compounds for anaerobic growth. Oxygen serves as a final electron acceptor under aerobic culture conditions, whereas oxygen can be replaced by nitrate under anaerobic conditions. Therefore, studies on P. calidifontis should provide valuable information on how hyperthermophiles respond to, deal with, or utilize molecular oxygen. The sequencing of Pyrobaculum calidifontis will greatly assist in future microbiology investigations of the genus because it is able to grow both aerobically and anaerobically on simple organic media to high cell densities. Moreover, Pyrobaculum calidifontis can be plated under aerobic conditions. These characteristics will facilitate genetic, biochemical, and microbiological studies and encourage diverse investigators without requiring extensive experience with extremophiles. The comparative genomics of P. calidifontis and other Pyrobaculum species will be informative because some metabolic characteristics of P. calidifontis (ie growth under atmospheric O2 concentrations) are unique thus far among described members of the genus while other characteristics (ie sulfur toxicity) are shared with other species within the genus. (HAMAP: PYRCJ)
Taxonomy
Kingdom:Archaea
Phylum:Crenarchaeota
Class:Thermoprotei
Order:Thermoproteales
Family:Thermoproteaceae
Genus:Pyrobaculum
Species:calidifontis
Strain JCM 11548
Complete Yes
Sequencing centre (07-FEB-2007) US DOE Joint Genome Institute, 2800 Mitchell Drive B100, Walnut Creek, CA 94598-1698, USA
(30-NOV-2006) National Center for Biotechnology Information, NIH, Bethesda, MD 20894, USA
Sequencing quality Level 6: Finished
Sequencing depth NA
Sequencing method Sanger
Isolation site Terrestrial hot spring in the Philippines
Isolation country Phillipines
Number of replicons 1
Gram staining properties NA
Shape Bacilli
Mobility No
Flagellar presence No
Number of membranes 1
Oxygen requirements Facultative
Optimal temperature 90.0
Temperature range Hyperthermophilic
Habitat Specialized
Biotic relationship Free living
Host name NA
Cell arrangement NA
Sporulation Nonsporulating
Metabolism NA
Energy source Heterotroph
Diseases NA
Pathogenicity No