Sulfur cycle ≈ Sulfur cycle
View article
The Biogeochemical Sulfur Cycle of Marine Sediments Open
Microbial dissimilatory sulfate reduction to sulfide is a predominant terminal pathway of organic matter mineralization in the anoxic seabed. Chemical or microbial oxidation of the produced sulfide establishes a complex network of pathways…
View article
Expanded diversity of microbial groups that shape the dissimilatory sulfur cycle Open
A critical step in the biogeochemical cycle of sulfur on Earth is microbial sulfate reduction, yet organisms from relatively few lineages have been implicated in this process. Previous studies using functional marker genes have detected ab…
View article
The life sulfuric: microbial ecology of sulfur cycling in marine sediments Open
Summary Almost the entire seafloor is covered with sediments that can be more than 10 000 m thick and represent a vast microbial ecosystem that is a major component of Earth's element and energy cycles. Notably, a significant proportion of…
View article
Sulfur nutrition and its role in plant growth and development Open
Sulfur is one of the essential nutrients that is required for the adequate growth and development of plants. Sulfur is a structural component of protein disulfide bonds, amino acids, vitamins, and cofactors. Most of the sulfur in soil is p…
View article
DMS oxidation and sulfur aerosol formation in the marine troposphere: a focus on reactive halogen and multiphase chemistry Open
The oxidation of dimethyl sulfide (DMS) in the troposphere and subsequent chemical conversion into sulfur dioxide (SO2) and methane sulfonic acid (MSA) are key processes for the formation and growth of sulfur-containing aerosol and cloud c…
View article
Dominance of sulfur-fueled iron oxide reduction in low-sulfate freshwater sediments Open
A central tenant in microbial biogeochemistry is that microbial metabolisms follow a predictable sequence of terminal electron acceptors based on the energetic yield for the reaction. It is thereby oftentimes assumed that microbial respira…
View article
Consortia of low-abundance bacteria drive sulfate reduction-dependent degradation of fermentation products in peat soil microcosms Open
Dissimilatory sulfate reduction in peatlands is sustained by a cryptic sulfur cycle and effectively competes with methanogenic degradation pathways. In a series of peat soil microcosms incubated over 50 days, we identified bacterial consor…
View article
The potential role of methanesulfonic acid (MSA) in aerosol formation and growth and the associated radiative forcings Open
Atmospheric marine aerosol particles impact Earth's albedo and climate. These particles can be primary or secondary and come from a variety of sources, including sea salt, dissolved organic matter, volatile organic compounds, and sulfur-co…
View article
Sulfide production and oxidation by heterotrophic bacteria under aerobic conditions Open
Sulfide (H2S, HS− and S2−) oxidation to sulfite and thiosulfate by heterotrophic bacteria, using sulfide:quinone oxidoreductase (SQR) and persulfide dioxygenase (PDO), has recently been reported as a possible detoxification mechanism for s…
View article
Pyrite sulfur isotopes reveal glacial−interglacial environmental changes Open
Significance Changes in sulfur isotope ratios ( 34 S/ 32 S) of marine sulfur phases are often attributed to global biogeochemical perturbations. Sediments collected on the shelf of the Gulf of Lion revealed remarkable sulfur isotopic fluct…
View article
Uncovering and quantifying the subduction zone sulfur cycle from the slab perspective Open
Sulfur belongs among H 2 O, CO 2 , and Cl as one of the key volatiles in Earth’s chemical cycles. High oxygen fugacity, sulfur concentration, and δ 34 S values in volcanic arc rocks have been attributed to significant sulfate addition by s…
View article
Exploring dimethyl sulfide (DMS) oxidation and implications for global aerosol radiative forcing Open
Aerosol indirect radiative forcing (IRF), which characterizes how aerosols alter cloud formation and properties, is very sensitive to the preindustrial (PI) aerosol burden. Dimethyl sulfide (DMS), emitted from the ocean, is a dominant natu…
View article
Active sulfur cycling in the terrestrial deep subsurface Open
The deep terrestrial subsurface remains an environment where there is limited understanding of the extant microbial metabolisms. At Olkiluoto, Finland, a deep geological repository is under construction for the final storage of spent nucle…
View article
The bacterial sulfur cycle in expanding dysoxic and euxinic marine waters Open
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 scale. In these environments, distinct bacteria drive an active sulfur c…
View article
The Seagrass Holobiont and Its Microbiome Open
Seagrass meadows are ecologically and economically important components of many coastal areas worldwide. Ecosystem services provided by seagrasses include reducing the number of microbial pathogens in the water, providing food, shelter and…
View article
A novel bacterial sulfur oxidation pathway provides a new link between the cycles of organic and inorganic sulfur compounds Open
Dimethylsulfide (DMS) plays a globally significant role in carbon and sulfur cycling and impacts Earth’s climate because its oxidation products serve as nuclei for cloud formation. While the initial steps of aerobic DMS degradation and the…
View article
A novel bacterial thiosulfate oxidation pathway provides a new clue about the formation of zero-valent sulfur in deep sea Open
Zero-valent sulfur (ZVS) has been shown to be a major sulfur intermediate in the deep-sea cold seep of the South China Sea based on our previous work, however, the microbial contribution to the formation of ZVS in cold seep has remained un…
View article
Sulfur Cycling in an Iron Oxide-Dominated, Dynamic Marine Depositional System: The Argentine Continental Margin Open
The interplay between sediment deposition patterns, organic matter type and the quantity and quality of reactive mineral phases determines the accumulation, speciation, and isotope composition of pore water and solid phase sulfur constitue…
View article
Microbial sulfate reduction and organic sulfur formation in sinking marine particles Open
Where they can't breathe Climate warming is causing the expansion of marine oxygen-deficient zones, which are regions in which dissolved oxygen concentrations are so low that many marine animals cannot survive. This phenomenon also might a…
View article
Global source attribution of sulfate concentration and direct and indirect radiative forcing Open
The global source–receptor relationships of sulfate concentrations, and direct and indirect radiative forcing (DRF and IRF) from 16 regions/sectors for years 2010–2014 are examined in this study through utilizing a sulfur source-tagging ca…
View article
From Elemental Sulfur to Hydrogen Sulfide in Agricultural Soils and Plants Open
Sulfur is an essential element in determining the productivity and quality of agricultural products. It is also an element associated with tolerance to biotic and abiotic stress in plants. In agricultural practice, sulfur has broad use in …
View article
Spatial Dependence of Reduced Sulfur in Everglades Dissolved Organic Matter Controlled by Sulfate Enrichment Open
Sulfate inputs to the Florida Everglades stimulate sulfidic conditions in freshwater wetland sediments that affect ecological and biogeochemical processes. An unexplored implication of sulfate enrichment is alteration of the content and sp…
View article
Environmental context for the terminal Ediacaran biomineralization of animals Open
In terminal Ediacaran strata of South China, the onset of calcareous biomineralization is preserved in the paleontological transition from Conotubus to Cloudina in repetitious limestone facies of the Dengying Formation. Both fossils have s…
View article
Rapid cloud removal of dimethyl sulfide oxidation products limits SO <sub>2</sub> and cloud condensation nuclei production in the marine atmosphere Open
Significance Ocean emissions of dimethyl sulfide (DMS) are a major precursor for the production and growth of aerosol particles, which can act as seeds for the formation of cloud droplets in the marine atmosphere with the subsequent impact…
View article
A continental-weathering control on orbitally driven redox-nutrient cycling during Cretaceous Oceanic Anoxic Event 2 Open
The Cretaceous period (~145–65 m.y. ago) was characterized by intervals of enhanced organic carbon burial associated with increased primary production under greenhouse conditions. The global consequences of these perturbations, oceanic ano…
View article
Sulfur metabolites that facilitate oceanic phytoplankton–bacteria carbon flux Open
Unlike biologically available nitrogen and phosphorus, which are often at limiting concentrations in surface seawater, sulfur in the form of sulfate is plentiful and not considered to constrain marine microbial activity. Nonetheless, in a …
View article
A meta‐analysis of oceanic DMS and DMSP cycling processes: Disentangling the summer paradox Open
The biogenic volatile compound dimethylsulfide (DMS) is produced in the ocean mainly from the ubiquitous phytoplankton osmolyte dimethylsulfoniopropionate (DMSP). In the upper mixed layer, DMS concentration and the daily averaged solar irr…
View article
Sulfur cycling in oceanic oxygen minimum zones Open
The sulfur cycle is an important, although understudied facet of today's modern oxygen minimum zones (OMZs). Sulfur cycling is most active in highly productive coastal OMZs where sulfide‐rich sediments interact with the overlying water col…
View article
Large sulfur isotope fractionation by bacterial sulfide oxidation Open
The microbial oxidation of sulfide can produce large enrichments in the stable isotopes of sulfur.
View article
Subcellular tracking reveals the location of dimethylsulfoniopropionate in microalgae and visualises its uptake by marine bacteria Open
Phytoplankton-bacteria interactions drive the surface ocean sulfur cycle and local climatic processes through the production and exchange of a key compound: dimethylsulfoniopropionate (DMSP). Despite their large-scale implications, these i…