Denitrifying bacteria such as Pseudomonas, Micrococcus, and Clostridium use nitrate as the terminal electron acceptor in anaerobic respiration.

• 反硝化细菌有假单胞菌，微球菌以及梭菌。它们在厌氧呼吸中都能使用硝酸盐作为最终电子受体。