Results 61 to 70 of about 1,815 (145)
Cytoplasmic sulfurtransferases in the purple sulfur bacterium Allochromatium vinosum: evidence for sulfur transfer from DsrEFH to DsrC. [PDF]
PLoS ONE, 2012 While the importance of sulfur transfer reactions is well established for a number of biosynthetic pathways, evidence has only started to emerge that sulfurtransferases may also be major players in sulfur-based microbial energy metabolism.
Yvonne Stockdreher +5 more
doaj +1 more source
EMBO Molecular Medicine, 2016 Coenzyme Q (CoQ) is a key component of the mitochondrial respiratory chain, but it also has several other functions in the cellular metabolism. One of them is to function as an electron carrier in the reaction catalyzed by sulfide:quinone oxidoreductase (
Marta Luna‐Sánchez +14 more
doaj +1 more source
The Role of Sulfide Oxidation Impairment in the Pathogenesis of Primary CoQ Deficiency
Frontiers in Physiology, 2017 Coenzyme Q (CoQ) is a lipid present in all cell membranes. One of the multiple metabolic functions of CoQ is to transport electrons in the reaction catalyzed by sulfide:quinone oxidoreductase (SQOR), the first enzyme of the oxidation pathway of sulfides (
Catarina M. Quinzii +6 more
doaj +1 more source
Hydrogen Sulfide and Polysulfides as Biological Mediators
Molecules, 2014 Hydrogen sulfide (H2S) is recognized as a biological mediator with various roles such as neuromodulation, regulation of the vascular tone, cytoprotection, anti-inflammation, oxygen sensing, angiogenesis, and generation of mitochondrial energy.
Hideo Kimura
doaj +1 more source
NRF2 signalling in cytoprotection and metabolism
British Journal of Pharmacology, Volume 183, Issue 1, Page 101-114, January 2026.The KEAP1‐NRF2 system plays a central role in cytoprotection in defence mechanisms against oxidative stress. The KEAP1‐NRF2 system has been regarded as a sulfur‐utilizing cytoprotective mechanism, because KEAP1 serves as a biosensor for electrophiles by using its reactive thiols and NRF2 is a transcriptional factor regulating genes involved in sulfur ...
Shohei Murakami +4 more
wiley +1 more source
The Scientific World Journal, 2012 Consistent biosynthesis of desired secondary metabolites (SMs) from pure microbial cultures is often unreliable. In a proof-of-principle study to induce SM gene expression and production, we describe mixed “co-culturing” conditions and monitoring of ...
Crystal A. Conway +2 more
doaj +1 more source
Supersulfide biology and translational medicine for disease control
British Journal of Pharmacology, Volume 183, Issue 1, Page 115-130, January 2026.Abstract For decades, the major focus of redox biology has been oxygen, the most abundant element on Earth. Molecular oxygen functions as the final electron acceptor in the mitochondrial respiratory chain, contributing to energy production in aerobic organisms. In addition, oxygen‐derived reactive oxygen species including hydrogen peroxide and nitrogen
Uladzimir Barayeu +5 more
wiley +1 more source
AntioxidantsDimethyl sulfoxide (DMSO), an organosulfur compound, is widely used as the gold standard solvent in biological research. It is used in cell culture experiments and as a component of formulations in in vivo studies.
Marta Kaczor-Kamińska +5 more
doaj +1 more source
Cyanide Beyond Toxicity: A Systematic Review of Its Effects on Vascular Function
Basic &Clinical Pharmacology &Toxicology, Volume 137, Issue 5, November 2025.ABSTRACT Cyanide is widely recognized for its potent toxicity, yet evidence shows that concentrations below 1 μM may enhance cytochrome c oxidase activity and have a regulatory function. Recent findings also demonstrate that mammalian cells, including endothelial cells, produce cyanide endogenously, where it can modulate mitochondrial bioenergetics ...
Elif Alan‐Albayrak, Ulf Simonsen
wiley +1 more source
Cysteine Signalling in Plant Pathogen Response
Plant, Cell &Environment, Volume 48, Issue 10, Page 7107-7122, October 2025.ABSTRACT The amino acid cysteine is the precursor for a wide range of sulfur‐containing functional molecules in plants, including enzyme cofactors and defence compounds. Due to its redox active thiol group cysteine is highly reactive. Synthesis and degradation pathways are present in several subcellular compartments to adjust the intracellular cysteine
Jannis Moormann +6 more
wiley +1 more source