15 N Kinetic Analysis of N 2 O Production by Nitrosomonas europaea : an Examination of Nitrifier Denitrification
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چکیده
منابع مشابه
Nitrosospira spp. can produce nitrous oxide via a nitrifier denitrification pathway.
Nitrous oxide (N(2)O) emission from soils is a major contributor to the atmospheric loading of this potent greenhouse gas. It is thought that autotrophic ammonia oxidizing bacteria (AOB) are a significant source of soil-derived N(2)O and a denitrification pathway (i.e. reduction of NO(2) (-) to NO and N(2)O), so-called nitrifier denitrification, has been demonstrated as a N(2)O production mecha...
متن کاملA comparison of NO and N2O production by the autotrophic nitrifier Nitrosomonas europaea and the heterotrophic nitrifier Alcaligenes faecalis.
Soil microorganisms are important sources of the nitrogen trace gases NO and N2O for the atmosphere. Present evidence suggests that autotrophic nitrifiers such as Nitrosomonas europaea are the primary producers of NO and N2O in aerobic soils, whereas denitrifiers such as Pseudomonas spp. or Alcaligenes spp. are responsible for most of the NO and N2O emissions from anaerobic soils. It has been s...
متن کاملAcetylene and oxygen as inhibitors of nitrous oxide production in Nitrosomonas europaea and Nitrosospira briensis: a cautionary tale.
Autotrophic ammonia-oxidizing bacteria produce nitrous oxide (N(2)O) as a by-product of nitrification or as an intermediate of nitrifier denitrification. In soil incubations, acetylene (C(2)H(2)) and large partial pressures of oxygen (O(2)) are used to distinguish between these sources. C(2)H(2) inhibits ammonia oxidation and should therefore inhibit N(2)O production by both nitrification and n...
متن کاملMethane oxidation by Nitrosomonas europaea.
Methane inhibited NH4+ utilization by Nitrosomonas europaea with a Ki of 2mM. O2 consumption was not inhibited. In the absence of NH4+, or with hydrazine as reductant, methane caused nearly a doubling in the rate of O2 uptake. The stimulation was abolished by allylthiourea, a sensitive inhibitor of the oxidation of NH4+. Analysis revealed that methanol was being formed in these experiments, wit...
متن کاملPhosphorylation by extracts of Nitrosomonas europaea.
Burge, W. D. (University of California, Berkeley), E. Malavolta, and C. C. Delwiche. Phosphorylation by extracts of Nitrosomonas europaea. J. Bacteriol. 85:106-110. 1963.-Cellfree preparations of Nitrosomonas europaea are capable of oxidizing hydroxylamine, but not ammonium ion, to nitrite. The quantity of nitrite formed by our preparations was, at most, equivalent to only 70% of the hydroxylam...
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ژورنال
عنوان ژورنال: Applied and Environmental Microbiology
سال: 1985
ISSN: 0099-2240,1098-5336
DOI: 10.1128/aem.49.5.1134-1141.1985