WebMar 1, 2008 · Dissimilatory ferric iron reduction under anaerobic conditions is widespread among acidophiles and can be coupled to the oxidation of hydrogen, sulfur, RISC or organic compounds (Coupland and ... WebJul 1, 2016 · The aim of this review is to provide an up-to-date overview on ferric iron reduction by acidophiles. The importance of this process in anaerobic habitats will be demonstrated as well as its ...

Minerals Free Full-Text Origin of Banded Iron Formations: Links ...

WebJan 12, 2024 · Apart from the anaerobic iron reduction mechanisms, sulfur-oxidizing acidithiobacilli have been shown to mediate iron reduction at low pH (< 1.3) under … Reductive dissolution by acidophiles was shown for several ferric iron-containing minerals, as ferric hydroxide [Fe(OH)3], goethite (α-FeOOH), akageneite (β-FeOOH), magnetite (Fe3O4), potassium jarosite [KFe2(SO4)2(OH)6], and natrojarosite [NaFe2(SO4)2(OH)6] (Bridge and Johnson, 1998, … See more Acidic environments such as acid mine drainage are the result of anthropogenic influences or have a natural origin, e.g., solfataric springs (Johnson, 2009). Depending on the occurring pH, these environments are … See more Iron reduction as part of the natural iron cycle plays an important role on Earth (Kappler and Straub, 2005). Despite the well-studied mechanisms of iron reduction by neutrophilic microorganisms, the process in acidophilic … See more LM: writing manuscript, preparing figures, and tables. SH: conceptual discussions, revising, and editing manuscript. Both authors contributed … See more Although iron reduction processes mediated by acidophiles have been known for nearly 50 years, it is only in the last decade that much interest has developed in their application. This especially included the … See more how to determine your gift from god

Ferric Iron Reduction in Extreme Acidophiles - PubMed

WebWhile dissimilatory ferric iron reduction has been described previously for Acidiphilium spp., this is this first report of this capacity in Acidocella and the moderate acidophile … WebMar 16, 2012 · Bioprocessing of oxidized mineral ores using acidophiles that catalyze the reductive dissolution of ferric iron minerals such as goethite has also recently been … WebThus, ferric iron reduction can be observed quickly which had previously been reported over extended incubation periods with untreated sulfur. Therefore, we demonstrate that this substrate utilization pattern is strongly dependent on the cell loading in relation to sulfur concentration, sulfur surface hydrophobicity, and the pH of the culture. the movie finch with tom hanks