title: The Sphaerotilus-Leptothrix group of bacteria.
mesh_terms: D006088:Gram-Negative Aerobic Bacteria / Q000145:classification / Q000254:growth & development; D007501:Iron / Q000378:metabolism; D008345:Manganese / Q000378:metabolism; D009154:Mutation; D010084:Oxidation-Reduction; D009626:Terminology as Topic
chemical_list: D008345:Manganese; D007501:Iron