Microbial ecology of the dark ocean above, at, and below the seafloor

BN Orcutt, JB Sylvan, NJ Knab… - … and molecular biology …, 2011 - Am Soc Microbiol
The majority of life on Earth—notably, microbial life—occurs in places that do not receive
sunlight, with the habitats of the oceans being the largest of these reservoirs. Sunlight …

Microbial nitrogen cycling processes in oxygen minimum zones

P Lam, MMM Kuypers - Annual review of marine science, 2011 - annualreviews.org
Oxygen minimum zones (OMZs) harbor unique microbial communities that rely on
alternative electron acceptors for respiration. Conditions therein enable an almost complete …

Dynamics of benthic nitrate reduction pathways and associated microbial communities responding to the development of seasonal deoxygenation in a coastal …

X Zhang, C Yao, B Zhang, W Tan, J Gong… - Environmental …, 2023 - ACS Publications
Intensive mariculture activities result in eutrophication and enhance coastal deoxygenation.
Deoxygenation profoundly influences nitrate reduction processes and further the fate of …

New pathways and processes in the global nitrogen cycle

B Thamdrup - Annual Review of Ecology, Evolution, and …, 2012 - annualreviews.org
Our understanding of the players and pathways of the global nitrogen cycle has advanced
substantially over recent years with discoveries of several new groups of organisms and …

Denitrification, Anammox, and N2 Production in Marine Sediments

AH Devol - Annual review of marine science, 2015 - annualreviews.org
Fixed nitrogen limits primary productivity in many parts of the global ocean, and it
consequently plays a role in controlling the carbon dioxide content of the atmosphere. The …

Warming stimulates sediment denitrification at the expense of anaerobic ammonium oxidation

E Tan, W Zou, Z Zheng, X Yan, M Du, TC Hsu… - Nature Climate …, 2020 - nature.com
Temperature is one of the fundamental environmental variables governing microbially
mediated denitrification and anaerobic ammonium oxidation (anammox) in sediments. The …

Potential roles of anaerobic ammonium and methane oxidation in the nitrogen cycle of wetland ecosystems

G Zhu, MSM Jetten, P Kuschk, KF Ettwig… - Applied microbiology and …, 2010 - Springer
Anaerobic ammonium oxidation (anammox) and anaerobic methane oxidation (ANME
coupled to denitrification) with nitrite as electron acceptor are two of the most recent …

Fixed nitrogen removal mechanisms associated with sulfur cycling in tropical wetlands

Q Wang, MJ Rogers, S Ng, J He - Water Research, 2021 - Elsevier
Wetland ecosystems play an important role in nitrogen cycling, yet the role of anaerobic
ammonium oxidation (anammox) in tropical wetlands remains unclear. In the current study …

Anaerobic ammonium oxidation (anammox) in different natural ecosystems

B Hu, L Shen, X Xu, P Zheng - Biochemical Society Transactions, 2011 - portlandpress.com
Anammox (anaerobic ammonium oxidation), which is a reaction that oxidizes ammonium to
dinitrogen gas using nitrite as the electron acceptor under anoxic conditions, was an …

Anammox, denitrification and dissimilatory nitrate reduction to ammonium in the East China Sea sediment

GD Song, SM Liu, H Marchant, MMM Kuypers… - …, 2013 - bg.copernicus.org
Benthic nitrogen transformation pathways were investigated in the sediment of the East
China Sea (ECS) in June of 2010 using the 15 N isotope pairing technique. Slurry …