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PMID:9453157

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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

Significance

Annotations

Gene product Qualifier GO Term Evidence Code with/from Aspect Extension 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


See also

References

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