Academic literature on the topic 'Iron oxidizing microbes'

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Journal articles on the topic "Iron oxidizing microbes"

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Phyo, Aung Kyaw, Yan Jia, Qiaoyi Tan, et al. "Competitive Growth of Sulfate-Reducing Bacteria with Bioleaching Acidophiles for Bioremediation of Heap Bioleaching Residue." International Journal of Environmental Research and Public Health 17, no. 8 (2020): 2715. http://dx.doi.org/10.3390/ijerph17082715.

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Mining waste rocks containing sulfide minerals naturally provide the habitat for iron- and sulfur-oxidizing microbes, and they accelerate the generation of acid mine drainage (AMD) by promoting the oxidation of sulfide minerals. Sulfate-reducing bacteria (SRB) are sometimes employed to treat the AMD solution by microbial-induced metal sulfide precipitation. It was attempted for the first time to grow SRB directly in the pyritic heap bioleaching residue to compete with the local iron- and sulfur-oxidizing microbes. The acidic SRB and iron-reducing microbes were cultured at pH 2.0 and 3.0. After
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Kikuchi, Sakiko, and Takazo Shibuya. "Thermodynamic Constraints on Smectite and Iron Oxide Formation at Gale Crater, Mars: Insights into Potential Free Energy from Aerobic Fe Oxidation in Lake Water–Groundwater Mixing Zone." Minerals 11, no. 4 (2021): 341. http://dx.doi.org/10.3390/min11040341.

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The presence of saponite and iron oxides in Sheepbed mudstone of Yellowknife Bay at Gale crater on Mars is considered as evidence of a habitable fluvio-lacustrine environment for chemolithoautotrophy. However, the energetic availability for metabolic reactions is poorly constrained. Herein, we propose the possible mixing of surface water and groundwater that (i) explains the formation of magnetite and hematite detected in Sheepbed mudstone and (ii) may work as a potential habitable zone for aerobic Fe2+-oxidizing microbes. Our thermodynamic modeling of water–rock reactions revealed that the fo
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Sung, Eun-Hae, Ji-Sun Han, Chang-Min Ahn, Hyung Joon Seo, and Chang-Gyun Kim. "Biological metal corrosion in saline systems by sulfur-reducing and iron-oxidizing bacteria." Water Quality Research Journal 46, no. 4 (2011): 321–31. http://dx.doi.org/10.2166/wqrjc.2011.009.

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This study investigated whether any possible bio-corrosion of pumps could occur when operating underground pumping stations in coastal regions. Groundwater in the stations was found to contain Leptothrix sp. (iron-oxidizing bacteria, IOB) and Desulfovibrio sp. (sulfur-reducing bacteria, SRB). Four different metal specimens were exposed to saline water media, where Leptothrix sp. or Desulfovibrio sp. were inoculated solely or together. The result showed that IOB not only provoke the corrosion of galvanized and stainless steels but also accelerate (by 5–10 times) the formation of zinc/iron preci
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Dean, Courtney, Yeyuan Xiao, and Deborah J. Roberts. "Enriching acid rock drainage related microbial communities from surface-deposited oil sands tailings." Canadian Journal of Microbiology 62, no. 10 (2016): 870–79. http://dx.doi.org/10.1139/cjm-2016-0137.

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Little is known about the microbial communities native to surface-deposited pyritic oil sands tailings, an environment where acid rock drainage (ARD) could occur. The goal of this study was to enrich sulfur-oxidizing organisms from these tailings and determine whether different populations exist at pH levels 7, 4.5, and 2.5. Using growth-based methods provides model organisms for use in the future to predict potential activities and limitations of these organisms and to develop possible control methods. Thiosulfate-fed enrichment cultures were monitored for approximately 1 year. The results sh
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Marques, Eric, João Dias, Eduardo Gross, Adriana Silva, Suzana de Moura, and Rachel Rezende. "Purple Sulfur Bacteria Dominate Microbial Community in Brazilian Limestone Cave." Microorganisms 7, no. 2 (2019): 29. http://dx.doi.org/10.3390/microorganisms7020029.

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The mineralogical composition of caves makes the environment ideal for inhabitation by microbes. However, the bacterial diversity in the cave ecosystem remains largely unexplored. In this paper, we described the bacterial community in an oxic chamber of the Sopradeira cave, an iron-rich limestone cave, in the semiarid region of Northeast Brazil. The microbial population in the cave samples was studied by 16S rDNA next-generation sequencing. A type of purple sulfur bacteria (PSB), Chromatiales, was found to be the most abundant in the sediment (57%), gravel-like (73%), and rock samples (96%). T
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Arce-Rodríguez, Alejandro, Fernando Puente-Sánchez, Roberto Avendaño, et al. "Pristine but metal-rich Río Sucio (Dirty River) is dominated by Gallionella and other iron-sulfur oxidizing microbes." Extremophiles 21, no. 2 (2016): 235–43. http://dx.doi.org/10.1007/s00792-016-0898-7.

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Neubauer, Scott C., David Emerson, and J. Patrick Megonigal. "Life at the Energetic Edge: Kinetics of Circumneutral Iron Oxidation by Lithotrophic Iron-Oxidizing Bacteria Isolated from the Wetland-Plant Rhizosphere." Applied and Environmental Microbiology 68, no. 8 (2002): 3988–95. http://dx.doi.org/10.1128/aem.68.8.3988-3995.2002.

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ABSTRACT Batch cultures of a lithotrophic Fe(II)-oxidizing bacterium, strain BrT, isolated from the rhizosphere of a wetland plant, were grown in bioreactors and used to determine the significance of microbial Fe(II) oxidation at circumneutral pH and to identify abiotic variables that affect the partitioning between microbial oxidation and chemical oxidation. Strain BrT grew only in the presence of an Fe(II) source, with an average doubling time of 25 h. In one set of experiments, Fe(II) oxidation rates were measured before and after the cells were poisoned with sodium azide. These experiments
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George, R. P., U. Kamachi Mudali, and Baldev Raj. "Characterizing biofilms for biofouling and microbial corrosion control in cooling water systems." Anti-Corrosion Methods and Materials 63, no. 6 (2016): 477–89. http://dx.doi.org/10.1108/acmm-07-2014-1401.

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Purpose The purpose of this paper is to study the metal-Microbe interaction playing a crucial role in microbiologically influenced corrosion (MIC) and biofouling of materials in cooling water systems. Treatment regimens should be planned based on this understanding. Design/methodology/approach Attempts were made in the past decades to characterize and understand biofilm formation on important power plant structural materials such as carbon steel (CS), stainless steel (SS) and titanium in fresh water and in seawater to achieve better control of biofouling and minimize MIC problems. Findings Thi
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Bellenberg, Sören, Margarete Kalin, and Wolfgang Sand. "Microbial Community Composition on Lignite before and after the Addition of Phosphate Mining Wastes." Advanced Materials Research 825 (October 2013): 42–45. http://dx.doi.org/10.4028/www.scientific.net/amr.825.42.

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Empirical field tests in which phosphate mining wastes (NPR) were added to various sulphidic mining wastes resulted in neutral drainage. A biofilm was documented on waste rock covering the pyrite. This was likely the cause of the improved effluents. NPR was added to sterile columns containing pyritic lignite and spiked with granulated pyrite. The biological columns were inoculated with 108 cells/g of lignite-cultured microbes from Rio Agrio, Argentina. The microbes were maintained at 30°C using pyrite as sole energy source. The microbial populations were monitored with MPN before NPR addition
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Goffredi, Shana K., Anders Warén, Victoria J. Orphan, Cindy L. Van Dover, and Robert C. Vrijenhoek. "Novel Forms of Structural Integration between Microbes and a Hydrothermal Vent Gastropod from the Indian Ocean." Applied and Environmental Microbiology 70, no. 5 (2004): 3082–90. http://dx.doi.org/10.1128/aem.70.5.3082-3090.2004.

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ABSTRACT Here we describe novel forms of structural integration between endo- and episymbiotic microbes and an unusual new species of snail from hydrothermal vents in the Indian Ocean. The snail houses a dense population of γ-proteobacteria within the cells of its greatly enlarged esophageal gland. This tissue setting differs from that of all other vent mollusks, which harbor sulfur-oxidizing endosymbionts in their gills. The significantly reduced digestive tract, the isotopic signatures of the snail tissues, and the presence of internal bacteria suggest a dependence on chemoautotrophy for nut
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Dissertations / Theses on the topic "Iron oxidizing microbes"

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Samuels, Toby Stephen. "Microbial weathering of shale rock in natural and historic industrial environments." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31041.

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The weathering of shales is a globally important process affecting both natural and built environments. Shales form roughly 70 % of worldwide sedimentary rock deposits and therefore the weathering of these rocks has substantial effects on the geochemical cycling of elements such as carbon, iron and sulfur. Microbes have been shown to play a key role in weathering shales, primarily through the oxidation of the iron and sulfur of embedded pyrite and the resultant production of sulfuric acid. Despite significant interest in the microbial weathering of shales within industrial sectors such as bioh
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Books on the topic "Iron oxidizing microbes"

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Chan, Clara Sze-Yue. The geomicrobiology of iron-oxidizing microbes. Graduate Division, University of California at Berkeley, 2006.

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Conference papers on the topic "Iron oxidizing microbes"

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Strange, Michael A., James D. Schiffbauer, Minghua Ren, and Stephen M. Rowland. "ORGANO-MINERAL STRUCTURES, BIOMINERALS, AND EXCEPTIONAL FOSSIL PRESERVATION—A MICROCOSM OF THE INFLUENCE OF IRON OXIDIZING MICROBES ON THE FOSSIL RECORD." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-302528.

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