title: Thiogranum
text: # Thiogranum
  
  Thiogranum is an obligately chemolithoautotrophic genus of bacteria from the family of Ectothiorhodospiraceae with one known species (Thiogranum longum). Thiogranum longum has been isolated from a rock from a deep-sea hydrothermal field from the coast of Suiyo Seamount in Japan.
  
  