desulfitobacterium metallireducens desulfitobacterium metallireducens desulfitobacterium metallireducens is an anaerobic bacterium that couples growth to the reduction of metals and humic acids as well as chlorinated compounds. its type strain is 853-15a(t) (= atcc baa-636(t)). it was first isolated from a uranium-contaminated aquifer sediment. desulfitobacterium metallireducens scientific classification domain: bacteria phylum: bacillota class: clostridia order: clostridiales family: peptococcaceae genus: desulfitobacterium species: d. metallireducens binomial name desulfitobacterium metallireducensfinneran et al. 2002