eubacterium oxidoreducens eubacterium oxidoreducens eubacterium oxidoreducens is a gram positive bacterium species in the genus eubacterium. eubacterium oxidoreducens scientific classification domain: bacteria phylum: bacillota class: clostridia order: clostridiale family: eubacteriaceae genus: eubacterium species: e. oxidoreducens binomial name eubacterium oxidoreducenskrumholz and bryant 1986 1,2,3,5-tetrahydroxybenzene is a benzenetetrol and a metabolite in the degradation of 3,4,5-trihydroxybenzoate by e. oxidoreducens. the enzyme phloroglucinol reductase uses dihydrophloroglucinol and nadp+ to produce phloroglucinol, nadph, and h+. it is found in e. oxidoreducens.