Chemistry of iron sulfides

D Rickard, GW Luther - Chemical reviews, 2007 - ACS Publications
The iron sulfides constitute a diverse group of solids and dissolved complexes many of
which play key roles in marine systems. The group is particularly complex in the lower …

Organosulfur compounds: molecular and isotopic evolution from biota to oil and gas

A Amrani - Annual Review of Earth and Planetary Sciences, 2014 - annualreviews.org
Organosulfur compounds (OSCs) play important roles in the formation, preservation, and
thermal degradation of sedimentary organic matter and the associated petroleum …

Sedimentary parameters control the sulfur isotope composition of marine pyrite

I Halevy, DA Fike, V Pasquier, RN Bryant, CB Wenk… - Science, 2023 - science.org
Reconstructions of coupled carbon, oxygen, and sulfur cycles rely heavily on sedimentary
pyrite sulfur isotope compositions (δ34Spyr). With a model of sediment diagenesis, paired …

Dynamics of pyrite formation and organic matter sulfurization in organic-rich carbonate sediments

L Shawar, I Halevy, W Said-Ahmad, S Feinstein… - … et Cosmochimica Acta, 2018 - Elsevier
Organic-rich carbonate sediments are deposited in a range of environments today and in the
geologic past. A significant part of organic matter (OM) degradation in such sediments often …

Fractionation of multiple sulfur isotopes during phototrophic oxidation of sulfide and elemental sulfur by a green sulfur bacterium

AL Zerkle, J Farquhar, DT Johnston, RP Cox… - … et Cosmochimica Acta, 2009 - Elsevier
We present multiple sulfur isotope measurements of sulfur compounds associated with the
oxidation of H2S and S0 by the anoxygenic phototrophic S-oxidizing bacterium Chlorobium …

Sulfur cycling in a stratified euxinic lake with moderately high sulfate: constraints from quadruple S isotopes

AL Zerkle, A Kamyshny Jr, LR Kump, J Farquhar… - … et Cosmochimica Acta, 2010 - Elsevier
We present a 3-year study of concentrations and sulfur isotope values (δ34S, Δ33S, and
Δ36S) of sulfur compounds in the water column of Fayetteville Green Lake (NY, USA), a …

Photorespiration: the futile cycle?

X Shi, A Bloom - Plants, 2021 - mdpi.com
Photorespiration, or C2 photosynthesis, is generally considered a futile cycle that potentially
decreases photosynthetic carbon fixation by more than 25%. Nonetheless, many essential …

Genetic variation, environment and demography intersect to shape Arabidopsis defense metabolite variation across Europe

E Katz, JJ Li, B Jaegle, H Ashkenazy, SR Abrahams… - Elife, 2021 - elifesciences.org
Plants produce diverse metabolites to cope with the challenges presented by complex and
ever-changing environments. These challenges drive the diversification of specialized …

Microbial impact on polysulfide dynamics in the environment

AJ Findlay - FEMS Microbiology Letters, 2016 - academic.oup.com
Polysulfides (Sx2−) are sulfide oxidation intermediates that are important for a variety of
environmentally relevant processes including pyrite formation, organic matter sulfidization …

Investigating pathways of diagenetic organic matter sulfurization using compound-specific sulfur isotope analysis

JP Werne, TW Lyons, DJ Hollander, S Schouten… - … et Cosmochimica Acta, 2008 - Elsevier
We present the results of compound-specific sulfur isotope analyses performed on organic
sulfur compounds (OSCs) isolated from sediments deposited in the euxinic Cariaco Basin …