umls-concept:C1159420 | skos:definition | GO: The chemical reactions and pathways resulting in the reduction of sulfate to another sulfur-containing ion or compound such as hydrogen sulfide, adenosine-phosphosulfate (APS) or thiosulfate. [MetaCyc:DISSULFRED-PWY, MetaCyc:P224-PWY, MetaCyc:SO4ASSIM-PWY, MetaCyc:SULFMETII-PWY] | lld:umls |