The bacterial sulfur cycle in expanding dysoxic and euxinic marine waters

DM van Vliet, FAB von Meijenfeldt… - Environmental …, 2021 - Wiley Online Library
Dysoxic marine waters (DMW,< 1 μM oxygen) are currently expanding in volume in the
oceans, which has biogeochemical, ecological and societal consequences on a global …

Non-cyanobacterial diazotrophs: global diversity, distribution, ecophysiology, and activity in marine waters

KA Turk-Kubo, MR Gradoville, S Cheung… - FEMS microbiology …, 2023 - academic.oup.com
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 …

Biological manganese-dependent sulfide oxidation impacts elemental gradients in redox-stratified systems: indications from the Black Sea water column

JV Henkel, HN Schulz-Vogt, O Dellwig… - The ISME …, 2022 - academic.oup.com
The reduction of manganese oxide with sulfide in aquatic redox-stratified systems was
previously considered to be mainly chemical, but recent isolation of the Black Sea isolate …

Hydrodynamic regimes modulate nitrogen fixation and the mode of diazotrophy in Lake Tanganyika

B Ehrenfels, KBL Baumann, R Niederdorfer… - Nature …, 2023 - nature.com
The factors that govern the geographical distribution of nitrogen fixation are fundamental to
providing accurate nitrogen budgets in aquatic environments. Model-based insights have …

Cold seep nitrogen fixation and its potential relationship with sulfur cycling

Q Quan, J Liu, X Xia, S Zhang, Z Ke… - Microbiology …, 2024 - journals.asm.org
Dinitrogen (N2) fixation is a crucial source of bioavailable nitrogen in carbon-dominated cold
seep systems. Previous studies have shown that diazotrophy is not necessarily dependent …

Direct detection of heterotrophic diazotrophs associated with planktonic aggregates

E Geisler, A Bogler, E Rahav, E Bar-Zeev - Scientific Reports, 2019 - nature.com
N2 fixation by planktonic heterotrophic diazotrophs is more wide spread than previously
thought, including environments considered “unfavorable” for diazotrophy. These …

Candidatus Sulfurimonas marisnigri sp. nov. and Candidatus Sulfurimonas baltica sp. nov., thiotrophic manganese oxide reducing chemolithoautotrophs of the class …

JV Henkel, A Vogts, J Werner, TR Neu, C Spröer… - Systematic and Applied …, 2021 - Elsevier
Species of the genus Sulfurimonas are reported and isolated from terrestrial habitats and
marine sediments and water columns with steep redox gradients. Here we report on the …

An analysis of protists in Pacific oxygen deficient zones: implications for Prochlorococcus and N2‐producing bacteria

CA Fuchsman, L Cherubini… - Environmental …, 2022 - Wiley Online Library
Ocean oxygen deficient zones (ODZs) host 30%–50% of marine N2 production.
Cyanobacteria photosynthesizing in the ODZ create a secondary chlorophyll maximum and …

Non-cyanobacterial diazotrophs: global diversity, distribution, ecophysiology, and activity in marine waters.

K Turk-Kubo, M Gradoville, S Cheung… - FEMS Microbiology …, 2023 - escholarship.org
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 …

Interplay between microbial community composition and chemodiversity of dissolved organic matter throughout the Black Sea water column redox gradient

S Suominen, GV Gomez‐Saez, T Dittmar… - Limnology and …, 2022 - Wiley Online Library
Large quantities of carbon are stored in marine dissolved organic matter (DOM), and its
recycling has a major effect on the carbon cycle. Microbes are responsible for turnover of …