Acidiferrobacter thyooxidans genome sequencing. Acidiferrobacter thiooxydans strain:m-1

Acidiferrobacter thiooxydansT (DSM 2392, JCM 17358), grows autotrophically not only by ferrous iron oxidation but also, in contrast to previous reports, by oxidation of elemental sulfur, sulfide and tetrathionate, using either oxygen or ferric iron as terminal electron acceptor. The bacterium was also found to be thermo-tolerant, growing optimally at 38°C and up to a maximum of 47°C. Growth in liquid media required an external osmotic potential of >2 bar, and was optimal at ~5 bar, though no growth occurred where the medium osmotic potential was close to that of sea water (~26 bar). Strain m-1 was also shown to be diazotrophic and tolerant of elevated concentrations of many metals typically found in mine-impacted environments.