(dissimilatory nitrate reduction) The use of nitrate as a terminal electron acceptor for ANAEROBIC RESPIRATION. This process occurs under ANAEROBIC or MICROAEROPHILIC conditions. Not all bacteria are capable of this form of metabolism and the nitrate may not be reduced completely to nitrogen gas (stopping at nitrite, for example). When the nitrate is reduced to gaseous forms the process is called DENITRIFICATION. This can sometimes be used to remove nitrate or nitrite from liquid wastes.
SOURCE: Bioremediation and Phytoremediation Glossary
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