Global nitrogen cycle: critical enzymes, organisms, and processes for nitrogen budgets and dynamics

X Zhang, BB Ward, DM Sigman - Chemical reviews, 2020 - ACS Publications
Nitrogen (N) is used in many of life's fundamental biomolecules, and it is also a participant in
environmental redox chemistry. Biogeochemical processes control the amount and form of N …

Nitrous oxide production by ammonia oxidizers: physiological diversity, niche differentiation and potential mitigation strategies

JI Prosser, L Hink, C Gubry‐Rangin… - Global Change …, 2020 - Wiley Online Library
Oxidation of ammonia to nitrite by bacteria and archaea is responsible for global emissions
of nitrous oxide directly and indirectly through provision of nitrite and, after further oxidation …

Processes and microorganisms involved in the marine nitrogen cycle: knowledge and gaps

S Pajares, R Ramos - Frontiers in Marine Science, 2019 - frontiersin.org
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 …

Nitrosopumilus maritimus gen. nov., sp. nov., Nitrosopumilus cobalaminigenes sp. nov., Nitrosopumilus oxyclinae sp. nov., and Nitrosopumilus ureiphilus sp. nov., four marine …

W Qin, KR Heal, R Ramdasi… - … of systematic and …, 2017 - microbiologyresearch.org
Four mesophilic, neutrophilic, and aerobic marine ammonia-oxidizing archaea, designated
strains SCM1T, HCA1T, HCE1T and PS0T, were isolated from a tropical marine fish tank …

Discovery of several novel, widespread, and ecologically distinct marine Thaumarchaeota viruses that encode amoC nitrification genes

NA Ahlgren, CA Fuchsman, G Rocap… - The ISME …, 2019 - academic.oup.com
Much of the diversity of prokaryotic viruses has yet to be described. In particular, there are no
viral isolates that infect abundant, globally significant marine archaea including the phylum …

Microbial ecology of oxygen minimum zones amidst ocean deoxygenation

AM Long, SK Jurgensen, AR Petchel… - Frontiers in …, 2021 - frontiersin.org
Oxygen minimum zones (OMZs) have substantial effects on the global ecology and
biogeochemical processes of marine microbes. However, the diversity and activity of OMZ …

Microbial niches in marine oxygen minimum zones

AD Bertagnolli, FJ Stewart - Nature Reviews Microbiology, 2018 - nature.com
In the ocean's major oxygen minimum zones (OMZs), oxygen is effectively absent from sea
water and life is dominated by microorganisms that use chemicals other than oxygen for …

Fabrication of rGO-CuO and/or Ag2O nanoparticles incorporated polyvinyl acetate based mixed matrix membranes for the removal of Cr6+ from anti-corrosive paint …

M Yaseen, MU Farooq, W Ahmad, F Subhan - Journal of Environmental …, 2021 - Elsevier
Herein we report the fabrication of ternary system mixed matrix membranes based on
polyvinyl acetate (PVAc) incorporated reduced graphene oxide (rGO) and CuO or Ag 2 O …

Epipelagic nitrous oxide production offsets carbon sequestration by the biological pump

XS Wan, HX Sheng, M Dai, KL Casciotti… - Nature …, 2023 - nature.com
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 …

Cyanobacteria and cyanophage contributions to carbon and nitrogen cycling in an oligotrophic oxygen-deficient zone

CA Fuchsman, HI Palevsky, B Widner, M Duffy… - The ISME …, 2019 - academic.oup.com
Up to half of marine N losses occur in oxygen-deficient zones (ODZs). Organic matter flux
from productive surface waters is considered a primary control on N2 production. Here we …