Klebsiellaaerogenes is able to detoxify cadmium to a cadmium sulfide (CdS) form, which precipitates as electron-dense granules at the cell surface. This process is induced by cadmium
Desutfotomaculumauripigmentuni reduces Ass' to Asa' and S6 to S2–, which leads to the intracellular and extracellular precipitation of arsenic trisulfide (As,S3)