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INVESTIGATION OF SULFATE-REDUCING BACTERIA EFFECT ON CORROSIVE PROPERTIES OF MAIN PIPELINES
In: Oil and gas business: Neftegazovoe delo, Heft 4, S. 46
ISSN: 1813-503X
Microbial Reduction of Schwertmannite By Co-Cultured Iron- and Sulfate-Reducing Bacteria
In: STOTEN-D-22-24580
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The Role of Organic Acid Metabolites in Geoenergy Pipeline Corrosion in a Sulfate Reducing Bacteria Environment
In: HELIYON-D-21-10436
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Characterization of novel marine sulfate-reducing bacteria resistant to RDX and other explosives
Exposure to nitro-compounds like RDX, TNT contained in unexploded ordinance pose significant risks for people and the environment due to their toxicity and explosive nature. Bombing sites used for military training activities contain considerable amounts of these contaminants. Until 2003 and for more than 60 years, the US Navy used the eastern part of Vieques, Puerto Rico as a bombing range. Since then, leaching of explosive compounds like RDX from unexploded ordnance represents a serious threat to the marine ecosystem of the area. The contribution of sulfate-reducing bacteria (SRB) to natural attenuation of explosives has been demonstrated in freshwater environments; however, little is known about their contribution in marine environments. From the contaminated sediments, we isolated 5 novel SRBs using lactate as the sole electron donor. Preliminary 16S rDNA analyses identify all 5 isolates to be delta proteobacteria most closely related to Desulfovibrio, with 16S rDNA sequences less than 94percent of similarity with known sequences, thus representing putative new species. In general, the isolates grew best at 37oC, at a pH of 7.5 and optimal growth was obtained with 1.5-3percent of salt added in the media. While all isolates grew with pyruvate as the alternative electron donor, 3 of the isolates grew with 20mM glycerol, one of them showed growth on 50mM fumarate. Electron acceptors sulfate, sulfite and thiosulfate were reduced by all isolates. Preliminary results indicate two of the isolates could also reduce Mn(IV). Some of the bacterial isolates grew better in explosive-amended media. The growth and survival in the presence of TNT increased with added salinity of the media. Based on this result and the fact that the isolates have had prior exposure to explosives, investigations are underway to study the potential of RDX degradation by the novel isolates.
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Diversity and biogenesis contribution of sulfate-reducing bacteria in arsenic-contaminated soils from realgar deposits
In: Environmental science and pollution research: ESPR, Band 29, Heft 21, S. 31110-31120
ISSN: 1614-7499
Carboxylic acid reduction and sulfate-reducing bacteria stabilization combined remediation of Cr (VI)-contaminated soil
In: Ecotoxicology and environmental safety: EES ; official journal of the International Society of Ecotoxicology and Environmental safety, Band 218, S. 112263
ISSN: 1090-2414
The bioenergetics mechanisms and applications of sulfate-reducing bacteria in remediation of pollutants in drainage: A review
In: Ecotoxicology and environmental safety: EES ; official journal of the International Society of Ecotoxicology and Environmental safety, Band 158, S. 162-170
ISSN: 1090-2414
Carbon-Sulfur Coupling Mechanism in Seasonally Hypoxic Reservoir Characterized by High Sulfate Content: Evidence from Stable C-S Isotopes and Sulfate-Reducing Bacteria
In: STOTEN-D-22-02346
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The patterns of bacterial community and relationships between sulfate-reducing bacteria and hydrochemistry in sulfate-polluted groundwater of Baogang rare earth tailings
In: Environmental science and pollution research: ESPR, Band 23, Heft 21, S. 21766-21779
ISSN: 1614-7499
Contrary Effects of Phytoplankton Chlorella Vulgaris and its Exudates on Mercury Methylation by Iron- and Sulfate-Reducing Bacteria
In: HAZMAT-D-22-00713
SSRN
CHEMOTACIC AND GROWTH RESPONSES TO EXPLOSIVES OF DESULFOVIBRIO VULGARIS H. AND SULFATE-REDUCING BACTERIA ISOLATED FROM TROPICAL MARINE SEDIMENTS
Bombing sites used for military training activities can have considerable amounts of contaminants and pose significant risks for people and the environment. Until 2003, the eastern part of Vieques (Puerto Rico) was used by the US Navy as a bombing range. Currently, leaching of explosive compounds from unexploded ordnance represents a serious threat to the marine ecosystem. The contribution of microorganisms in natural attenuation of explosives, including sulfate-reducing bacteria (SRB) has been demonstrated in soils but little is known about their contribution in marine environments. Characterization assays were employed to assess the effects of explosive compounds (TNT, RDX, HMX) on Desulfovibrio vulgaris Hildenborough and five novel SRB isolated from marine sediments in costal waters of Vieques. Pure cultures were combined with media in a covered 96-well micro plate and the opacity was monitored in real time as the bacteria grew in a temperature-controlled plate reader. A dose-response curve was used to estimate minimum inhibitory concentrations (MICs) for TNT, RDX and HMX in 0, 1.5 and 3.0% (w/v) NaCI media. Some of the bacterial isolates grew better in explosive-containing environments than in regular media while at low salt D. vulgaris grew without inhibition at saturated RDX levels. Higher salt concentrations (1.5 and 3.00/0) did not support D. vulgaris growth in the presence of RDX. However, this organism did tolerate high levels of TNT at different NaCI concentrations. Elucidating the diversity and behavior of SRBs to explosive compounds in tropical sediments could help us understand the role of these microbial populations in contaminated marine environments.
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Effect of exogenous and endogenous sulfide on the production and the export of methylmercury by sulfate-reducing bacteria
In: Environmental science and pollution research: ESPR, Band 30, Heft 2, S. 3835-3846
ISSN: 1614-7499
Mining-related multi-resistance genes in sulfate-reducing bacteria treatment of typical karst nonferrous metal(loid) mine tailings in China
In: Environmental science and pollution research: ESPR, Band 30, Heft 47, S. 104753-104766
ISSN: 1614-7499
Corrosion of Q235 carbon steel induced by sulfate-reducing bacteria in groundwater: corrosion behavior, corrosion product, and microbial community structure
In: Environmental science and pollution research: ESPR, Band 31, Heft 3, S. 4269-4279
ISSN: 1614-7499