Desulfonatronum thiodismutans is an alkaliphilic, sulfate-reducing bacterium capable of lithoautotrophic growth. It is Gram-negative, vibrio-shaped, with cells 0.6âÂÂ0.7ÃÂ1.2âÂÂ2.7 üm in size, motile by a single polar flagellum. Its type strain is MLF1<sup>T</sup> (=ATCC BAA-395<sup>T</sup> =DSM 14708<sup>T</sup>).