[HTML][HTML] Processes and microorganisms involved in the marine nitrogen cycle: knowledge and gaps
Nitrogen (N) is a key element for life in the oceans. It controls primary productivity in many
parts of the global ocean, consequently playing a crucial role in the uptake of atmospheric …
parts of the global ocean, consequently playing a crucial role in the uptake of atmospheric …
Non-cyanobacterial diazotrophs: global diversity, distribution, ecophysiology, and activity in marine waters
Biological dinitrogen (N2) fixation supplies nitrogen to the oceans, supporting primary
productivity, and is carried out by some bacteria and archaea referred to as diazotrophs …
productivity, and is carried out by some bacteria and archaea referred to as diazotrophs …
Convergent estimates of marine nitrogen fixation
Uncertainty in the global patterns of marine nitrogen fixation limits our understanding of the
response of the ocean's nitrogen and carbon cycles to environmental change. The …
response of the ocean's nitrogen and carbon cycles to environmental change. The …
[HTML][HTML] Global oceanic diazotroph database version 2 and elevated estimate of global oceanic N fixation
Z Shao, Y Xu, H Wang, W Luo, L Wang… - Earth System …, 2023 - essd.copernicus.org
Marine diazotrophs convert dinitrogen (N 2) gas into bioavailable nitrogen (N), supporting
life in the global ocean. In 2012, the first version of the global oceanic diazotroph database …
life in the global ocean. In 2012, the first version of the global oceanic diazotroph database …
Global and regional drivers of nutrient supply, primary production and CO2 drawdown in the changing Arctic Ocean
The main environmental factors driving spatial patterns, variability and change in primary
production (PP) in the Arctic Ocean are reviewed. While instantaneous PP rates are …
production (PP) in the Arctic Ocean are reviewed. While instantaneous PP rates are …
[HTML][HTML] Effects of global change during the 21st century on the nitrogen cycle
The global nitrogen (N) cycle at the beginning of the 21st century has been shown to be
strongly influenced by the inputs of reactive nitrogen (N r) from human activities, including …
strongly influenced by the inputs of reactive nitrogen (N r) from human activities, including …
Symbiotic unicellular cyanobacteria fix nitrogen in the Arctic Ocean
K Harding, KA Turk-Kubo, RE Sipler… - Proceedings of the …, 2018 - National Acad Sciences
Biological dinitrogen (N2) fixation is an important source of nitrogen (N) in low-latitude open
oceans. The unusual N2-fixing unicellular cyanobacteria (UCYN-A)/haptophyte symbiosis …
oceans. The unusual N2-fixing unicellular cyanobacteria (UCYN-A)/haptophyte symbiosis …
[HTML][HTML] The Contamination of Commercial 15N2 Gas Stocks with 15N–Labeled Nitrate and Ammonium and Consequences for Nitrogen Fixation Measurements
We report on the contamination of commercial 15-nitrogen (15N) N2 gas stocks with 15N-
enriched ammonium, nitrate and/or nitrite, and nitrous oxide. 15N2 gas is used to estimate …
enriched ammonium, nitrate and/or nitrite, and nitrous oxide. 15N2 gas is used to estimate …
[HTML][HTML] Gene expression changes and community turnover differentially shape the global ocean metatranscriptome
Ocean microbial communities strongly influence the biogeochemistry, food webs, and
climate of our planet. Despite recent advances in understanding their taxonomic and …
climate of our planet. Despite recent advances in understanding their taxonomic and …
Marine non-cyanobacterial diazotrophs: moving beyond molecular detection
The nitrogen input through biological N 2 fixation is essential for life in vast areas of the
global ocean. The belief is that cyanobacteria are the only relevant N 2-fixing (diazotrophic) …
global ocean. The belief is that cyanobacteria are the only relevant N 2-fixing (diazotrophic) …