Sulfobacillus species are found globally in both natural and artificial acidic environments, such as hot springs, solfatara environments, hydrothermal vents, and in various forms of acid mine drainage. Compared to other bacterial species found in similar acidic environments, Sulfobacillus species are often present at relatively low abundance.
Genome
The genomes of several Sulfobacillus species have been sequenced. Differences between members include genome size and gene content related to sulfur oxidation pathways.
Taxonomy
Sulfobacillus was first described in 1978, along with the type species, Sulfobacillus thermosulfidooxidans. Five additional species have since been described, in at least one case discovered after samples believed to be S. thermosulfidooxidans showed unexpected characteristics.
The genus is of uncertain taxonomic position. It was originally placed in the Clostridiales. It is likely related to the genus Thermaerobacter and may represent either a deep branch of the Bacillota or a separate phylum.
↑Dopson, Mark (2016). "Physiological and Phylogenetic Diversity of Acidophilic Bacteria". In Quatrini, Raquel (ed.). Acidophiles: life in extremely acidic environments. Caister Academic Press. pp.79–91. ISBN978-1-910190-34-0.
↑Golovacheva, RS; Karavaĭko, GI (1978). "[Sulfobacillus, a new genus of thermophilic sporulating bacteria]". Mikrobiologiia. 47 (5): 815–22. PMID101742.
123Sulfobacillus in LPSN; Freese, H. M.; Meier-Kolthoff, J. P.; Sardà Carbasse, J.; Afolayan, A. O.; Göker, M. (2026). "TYGS and LPSN in 2025: a Global Core Biodata Resource for genome-based classification and nomenclature of prokaryotes within DSMZ Digital Diversity". Nucleic Acids Research. 54 (D1): D884–D891. doi:10.1093/nar/gkaf1110.
↑Ludwig, Wolfgang; Schleifer, Karl-Heinz; Whitman, William B. (2001). "Revised road map to the phylum Firmicutes". In Vos, Paul; Garrity, George; Jones, Dorothy; Krieg, Noel R.; Ludwig, Wolfgang; Rainey, Fred A.; Schleifer, Karl-Heinz; Whitman, William B. (eds.). Bergey's Manual of Systematic Bacteriology Volume 3: The Firmicutes (2nded.). Springer. ISBN978-0-387-95041-9.