Results 11 to 20 of about 115,116 (309)

Attenuation of acid rock drainage by stimulating sulfur-reducing bacteria

Environmental Earth Sciences, 2023
AbstractIron-sulfide minerals found in shale formations are stable under anaerobic conditions. However, in the presence of oxygen and water, acid-loving chemolithotrophic bacteria can transform the iron-sulfide minerals into a toxic solution of sulfuric acid and dissolved iron and minerals known as acid rock drainage (ARD).
Thomas D. Byl, Ronald Oniszczak, Diarra Fall, Petra K. Byl, Michael Bradley   +4 more
openaire   +2 more sources

Stable carbon isotope fractionation by acetotrophic sulfur-reducing bacteria [PDF]

FEMS Microbiology Ecology, 2010
Acetate is the most important intermediate in anaerobic degradation of organic matter. The carbon isotope effects associated with the oxidation of acetate (epsilon(ac)) were examined for four acetotrophic sulfur reducers, Desulfuromonas acetoxidans, Desulfuromonas thiophila, Desulfurella acetivorans, and Hippea maritima.
Goevert, D., Conrad, R.
openaire   +4 more sources

The Fermenting Bacterium Malonomonas rubra is Phylogenetically Related to Sulfur-Reducing Bacteria and Contains a c-Type Cytochrome similar to those of Sulfur and Sulfate Reducers [PDF]

Systematic and Applied Microbiology, 1998
Malonomonas rubra is a microaerotolerant fermenting bacterium which can maintain its energy metabolism for growth by decarboxylation of malonate to acetate. 16S rRNA sequence analysis revealed that M. rubra is closely related to the cluster of mesophilic sulfur-reducing bacteria within the delta subclass of the Proteobacteria, with the fermenting ...
Kolb, Sylvie, Seeliger, Sabine, Springer, Nina, Ludwig, Wolfgang, Schink, Bernhard   +4 more
openaire   +4 more sources

Influence of short-term changes in dietary sulfur on the relative abundances of intestinal sulfate-reducing bacteria

Gut Microbes, 2019
High-protein diets may be linked to gut inflammation due to increased production of hydrogen sulfide (H2S), a potential toxin, as an end product of microbial fermentation in the colon by sulfidogenic sulfate-reducing bacteria (SRB).
Allison Dostal Webster, Christopher Staley, Matthew J. Hamilton, Merry Huang, Kathryn Fryxell, Raymond Erickson, Amanda J. Kabage, Michael J. Sadowsky, Alexander Khoruts   +8 more
doaj   +2 more sources

Thermophilic sulfate-reducing bacteria Moorela thermoacetica Nadia-3, isolated from “Nadiia” pit spoil heap of Chervonohrad mining region

Біологічні студії, 2021
Introduction. Thermophilic sulfate-reducing bacteria attract attention of scientists as the potential agents of purification of wastewater polluted by sulfur and its compounds, heavy metal ions and organic compounds.
O. M. Chayka, T. B. Peretyatko, A. A. Halushka   +2 more
doaj   +1 more source

The core root microbiome of Spartina alterniflora is predominated by sulfur-oxidizing and sulfate-reducing bacteria in Georgia salt marshes, USA

bioRxiv, 2021
Background Salt marshes are dominated by the smooth cordgrass Spartina alterniflora on the US Atlantic and Gulf of Mexico coastlines. Although soil microorganisms are well known to mediate important biogeochemical cycles in salt marshes, little is known ...
J. L. Rolando, M. Kolton, T. Song, J. Kostka   +3 more
semanticscholar   +1 more source

Effect of abiotic factors on sulfidogenic activity of bacteria Desulfuromonas sp.

Regulatory Mechanisms in Biosystems, 2020
Sulfur-reducing bacteria are promising agents for the development of new methods of wastewater treatment with the removal of ions of heavy metals and organic compounds.
O. M. Сhaіka, T. B. Peretyatko
doaj   +1 more source

Reduction of sulfur and oxidized forms of nitrogen by bacteria of Desulfuromonas sp., isolated from Yavorivske Lake, under the influence of ferrum citrate

Biosystems Diversity, 2020
Technogenic reservoirs mainly contain several possible electron acceptors of anaerobic respiration, many of which are dangerous to the environment.
O. M. Moroz, S. O. Hnatush, O. D. Maslovska, G. V. Yavorska, B. M. Borsukevych   +4 more
doaj   +1 more source

High-Rate Sulfate Removal Coupled to Elemental Sulfur Production in Mining Process Waters Based on Membrane-Biofilm Technology

Frontiers in Bioengineering and Biotechnology, 2022
It is anticipated that copper mining output will significantly increase over the next 20 years because of the more intensive use of copper in electricity-related technologies such as for transport and clean power generation, leading to a significant ...
Alex Schwarz, María Gaete, Iván Nancucheo, Denys Villa-Gomez, Marcelo Aybar, Daniel Sbárbaro   +5 more
doaj   +1 more source

Biogenic Hydrogen Sulfide Production Using Elemental Sulfur and Low-Cost Organic Substrates to Remove Metal Ions from Mining Effluents

Mining, 2023
One of the best technologies available for metal removal from mining effluents is the precipitation of metals as sulfides. However, the high cost and difficulty in managing reagents limit its widespread application.
Cristian Martínez, Pabla Viedma, Franco Cárdenas, Davor Cotoras   +3 more
doaj   +1 more source