Postprint version. Published in Applied and Environmental Microbiology, Volume 76, Issue 11, June 1, 2010, pages 3740-3743. Copyright © 2010 American Society for Microbiology. The definitive version is available at http://dx.doi.org/10.1128/AEM.03018-09.
Populations of a moderately thermophilic magnetotactic bacterium were discovered in Great Boiling Springs, Nevada, ranging from 32 to 63°C. Cells were small, Gram-negative, vibrioid to helicoid in morphology, and biomineralized a chain of bullet-shaped magnetite magnetosomes. Phylogenetically, based on 16S rRNA gene sequencing, the organism belongs to the phylum Nitrospirae.