PMID:9453157

Citation	Schalk, J, Oustad, H, Kuenen, JG and Jetten, MS (1998) The anaerobic oxidation of hydrazine: a novel reaction in microbial nitrogen metabolism. FEMS Microbiol. Lett. 158:61-7
Abstract	Hydrazine is rarely found as an intermediate in microbial nitrogen conversions. In this study the conversion of hydrazine by the anaerobic ammonium oxidation (Anammox) culture, in which hydrazine has been proposed as an intermediate, was investigated. This study demonstrated the biological nature of hydrazine conversion by the Anammox culture. In batch cultures with hydrazine it was observed that 3 mol N2H4 was disproportionated to 4 mol NH4+ and 1 mol N2. Hydrazine with nitrite as an electron acceptor showed a conversion of 3 mol N2H4 and 4 mol NO2- to 5 mol N2, with a specific activity of 5.5 nmol min-1 (mg volatile suspended solids)-1. Addition of hydrazine to a biofilm reactor for 80 days showed that it was not possible to grow Anammox with hydrazine.
Links	PubMed
Keywords	Alcaligenes/drug effects; Alcaligenes/growth & development; Alcaligenes/metabolism; Anaerobiosis; Biofilms; Culture Media; Hydrazines/metabolism; Hydrazines/pharmacology; Nitrogen/metabolism; Oxidation-Reduction; Quaternary Ammonium Compounds/metabolism; Quaternary Ammonium Compounds/pharmacology
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Significance

Gene product	Qualifier	GO Term	Evidence Code	Aspect	Notes	Status
NITEU:HAO		GO:0019331: anaerobic respiration, using ammonium as electron donor	ECO:0000314:	P	Table 2 and Figure 4 demonstrated hydrazine conversion by the anammox culture	complete CACAO 9557
NITEU:HAO	involved_in	GO:0019331: anaerobic respiration, using ammonium as electron donor	ECO:0000314: direct assay evidence used in manual assertion	P	Seeded From UniProt	complete

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