Aerobic ammonium oxidizing bacteria were first isolated more than 100 years ago and
hydroxylamine is known to be an intermediate. The enzymatic steps involving …

Nutrient deficiency in most terrestrial ecosystems constrains global primary productivity.
Rhizosphere nutrient availability directly regulates plant growth and is influenced by many …

Despite the fact that heterotrophic nitrification was identified more than 100 years ago, the
biochemistry of heterotrophic nitrifiers is poorly known and their contribution to nitrification in …

Nitrification, the oxidation of ammonia to nitrate, is an essential process in the
biogeochemical nitrogen cycle. The first step of nitrification, ammonia oxidation, is performed …

Agriculture is responsible for over half of the input of reactive nitrogen (N) to terrestrial
systems; however improving N availability remains the primary management technique to …

Nitrification, the oxidation of ammonia via nitrite to nitrate, has been considered to be a
stepwise process mediated by two distinct functional groups of microorganisms. The …

Highlights•Nitrification causes nitrogen losses with impact on crop yield and
environment.•Newly discovered microbes can be important for nitrification in agricultural …

Nitrification, the oxidation of ammonia via nitrite to nitrate, has always been considered to be
catalyzed by the concerted activity of ammonia-and nitrite-oxidizing microorganisms. Only …

Ammonia-oxidising archaea (AOA) are ubiquitous and abundant in nature and play a major
role in nitrogen cycling. AOA have been studied intensively based on the amoA gene …

The understanding of nitrogen (N) cycling in forest ecosystems has undergone a major shift
in the past decade as molecular methods are being used to link microorganisms to key …