The marine nitrogen cycle is a complex web of microbially mediated reactions that control
the inventory, distribution, and speciation of nitrogen in the marine environment. Because …

Uncovers the Key Role Microbes Play in the Transformation of Oxidizable and Reducible
MineralsMany areas of geomicrobial processes are receiving serious attention from …

Microbial activity mediates the fluxes of greenhouse gases. However, in the global models of
the marine and terrestrial biospheres used for climate change projections, typically only …

The genus Nitrospira is the most widespread group of nitrite-oxidizing bacteria and thrives in
diverse natural and engineered ecosystems. Nitrospira marina Nb-295T was isolated from …

Microorganisms oxidize organic nitrogen to nitrate in a series of steps. Nitrite, an
intermediate product, accumulates at the base of the sunlit layer in the subtropical ocean …

Nitrification, the microbial oxidation of ammonium to nitrate, is a central part of the nitrogen
cycle. In the ocean's surface layer, the process alters the distribution of inorganic nitrogen …

The removal of carbon dioxide from the atmosphere by the marine biological pump is a key
regulator of Earth's climate; however, the ocean also serves as a large source of nitrous …

Nitrite, an intermediate product of the oxidation of ammonia to nitrate (nitrification),
accumulates in upper oceans, forming the primary nitrite maximum (PNM). Nitrite …

Ammonia oxidation to nitrite and its subsequent oxidation to nitrate provides energy to the
two populations of nitrifying chemoautotrophs in the energy-starved dark ocean, driving a …

Nitrification is a central process of the aquatic nitrogen cycle that controls the supply of
nitrate used in other key processes, such as phytoplankton growth and denitrification …