• This bioelectrochemical reaction is performed by three main bacteria, Geobacter sulfurreducens, Shewanella oneidensis and Rhodoferax ferrireducens, already present naturally in wastewater effluent. (israel21c.org)
  • The metal-reducing bacteria Geobacter sulfurreducens, Shewanella oneidensis and Veillonella atypica, use different mechanisms to transform toxic, bioavailable sodium selenite to less toxic, non-mobile elemental selenium and then to selenide in anaerobic environments, offering the potential for in situ and ex situ bioremediation of contaminated soils, sediments, industrial effluents, and agricultural drainage waters. (usgs.gov)
  • After rRNA sequencing, the bacteria was characterized as a Shewanella , and the species was named Shewanella oneidensis MR-1 ("manganese reducer") after the lake in which it was discovered (Slonczewski et al, 2011). (kenyon.edu)
  • Shewanella oneidensis grows more robust and confluent biofilms in low-nutrient media. (kenyon.edu)
  • 12 showed that Shewanella oneidensis recognized nanoscale structures and attached preferentially with alignment along the length direction of nanowires. (rsc.org)
  • Another study investigated the contribution of direct electron transfer mechanism on electricity production by physically separating Shewanella oneidensis to/from the anode electrode using a dialysis membrane. (westminster.ac.uk)
  • Here we characterize SO_3966, which encodes an MgtE homolog in Shewanella oneidensis that we name FicI (ferrous iron and cobalt importer) based on its role in maintaining metal homeostasis. (umn.edu)
  • Bennett, BD, Redford, KE & Gralnick, JA 2018, ' MgtE homolog FicI acts as a secondary ferrous iron importer in Shewanella oneidensis strain MR-1 ', Applied and environmental microbiology , vol. 84, no. 6, e01245-17. (umn.edu)
  • During his JSPS tenure, he investigated the fundamental mechanism involved in bacterial extracellular electron transfer by taking Shewanella oneidensis MR-1 as the model bacterium. (azureedge.net)
  • The roles of DmsEFAB and MtrCAB in extracellular reduction of iodate by Shewanella oneidensis MR-1 with lactate as the sole electron donor. (cug.edu.cn)
  • 7] Hu Y, Wu Y, Mukherjee M, Cao B. Near-infrared light responsive c-di-GMP module-based AND logic gate in Shewanella oneidensis. (cug.edu.cn)
  • 9] Hu Y, Yang Y, Katz E, Song H (2015) Programming the quorum sensing-based AND gate in Shewanella oneidensis for logic gated-microbial fuel cells. (cug.edu.cn)
  • 10] Yang Y, Ding Y, Hu Y, Cao B, Rice S, Kjelleberg S, Song H. Enhancing bidirectional electron transfer of Shewanella oneidensis by a synthetic flavin pathway. (cug.edu.cn)
  • 12] Lin T, Bai X, Hu Y, Li B, Yuan Y, Song H, Yang Y, Wang J (2017) Synthetic Saccharomyces cerevisiae-Shewanella oneidensis consortium enables glucose‐fed high‐performance microbial fuel cell. (cug.edu.cn)
  • Growth with high planktonic biomass in Shewanella oneidensis fuel cells. (umass.edu)
  • Bifunctional protein FolD 1 OS=Geobacter sulfurreducens (strain ATCC 51573 / DSM 12127 / PCA) GN=fol. (yeastrc.org)
  • The research at KAUST was mainly on bioinspired synthesis of graphene and metal oxides using bacterium Geobacter sulfurreducens (the highest electricity producing bacterium to date) for water oxidation catalysis. (azureedge.net)
  • malonyl CoA-acyl carrier protein transacylase [Geobacter sulfurreducens. (yeastrc.org)
  • Geobacter sulfurreducens has two autoregulated lexA genes whose products do not bind the recA promoter: differing responses of lexA and recA to DNA damage. (umass.edu)
  • Geobacter sulfurreducens strain engineered for increased rates of respiration. (umass.edu)
  • A Geobacter sulfurreducens strain expressing pseudomonas aeruginosa type IV pili localizes OmcS on pili but is deficient in Fe(III) oxide reduction and current production. (umass.edu)
  • Going wireless: Fe(III) oxide reduction without pili by Geobacter sulfurreducens strain JS-1. (umass.edu)
  • GSEL version 2, an online genome-wide query system of operon organization and regulatory sequence elements of Geobacter sulfurreducens. (umass.edu)
  • Heat-shock sigma factor RpoH from Geobacter sulfurreducens. (umass.edu)
  • Geobacter sulfurreducens sp. (umass.edu)
  • 8H2O] formed by Geobacter sulfurreducens , imaged by scanning electron microscopy. (geochemicalperspectivesletters.org)
  • Shewanella was originally identified in 1931 as one of multiple species of bacteria growing on putrid butter (Derby et al. (kenyon.edu)
  • Years ago, researchers discovered two types of electric bacteria, Geobacter and Shewanella, which use energy in its naked, purest form: electrons harvested from the surface of rocks and minerals. (stopumts.nl)
  • Under anoxic conditions, dissimilatory metalreducing bacteria, such as Shewanella and Geobacter species, are exposed to high levels of soluble metals, including Fe 2+ and Mn 2+ . (umn.edu)
  • Wood could be created by bacteria that create the resins,plant fibres of trees mixed with cellulosic nanowires of all type of woods using tweaked Geobactor and Shewanella onsite of Daedalus moulded into plants of wood for all parts of buildings including frames.Ths would render all work in forestry defunct. (shanepaulnolan.com)
  • Geobacter metallireducens accesses insoluble Fe(III) oxide by chemotaxis. (umass.edu)
  • Here we report that another Fe(III)-reducer, Geobacter metallireducens, has an alternative strategy for accessing Fe(III) oxides. (umass.edu)
  • Geobacter metallireducens specifically expresses flagella and pili only when grown on insoluble Fe(III) or Mn(IV) oxide, and is chemotactic towards Fe(II) and Mn(II) under these conditions. (umass.edu)
  • Further work will seek to heterologously express the proteins in Shewanella involved in direct electron transfer in E.coli. (westminster.ac.uk)
  • Shewanella spp), via pili acting as nanowires (e.g. (ukri.org)
  • Members of the Geobacter and Shewanella genera are very common iron reducers. (biotechnologysolutions.com)
  • Although the researchers did not characterize the bacterial communities present in the soil sample, they rationally hypothesized that microorganisms from the genera Geobacter, Shewanella,and Pseudomonas contributed to the electrical activity. (hillnews.online)
  • 1999). Since the modern characterization Shewanella in 1988, DNA:DNA hybridization and 16S rRNA sequencing has been used to identify more than 40 distinct species. (kenyon.edu)
  • High amounts of reduced manganese in the lake led to the discovery of the Shewanella model species: Shewanella oniedensis MR-1, which transfers electrons to insoluble oxidized manganese as a form of respiration. (kenyon.edu)
  • Upon experimentation,they discovered a species of Shewanella that respires by transferring electrons to Mn 4+ . (kenyon.edu)
  • This MR-1 species was the first shewanella to genome to be sequenced, and thus it has become a model system for the study of the genus (Gralnick et al. (kenyon.edu)
  • This approach to the use of an insoluble electron acceptor may explain why Geobacter species predominate over other Fe(III) oxide-reducing microorganisms in a wide variety of sedimentary environments. (umass.edu)
  • Highly conserved genes in Geobacter species with expression patterns indicative of acetate limitation. (umass.edu)
  • Graphite electrode as a sole electron donor for reductive dechlorination of tetrachlorethene by Geobacter lovleyi. (umass.edu)
  • Biofilm formation by Shewanella oniedensis MR-1 on a glass surface. (kenyon.edu)
  • 4] Mukherjee M, Zaiden N, Teng AMR, Hu Y, Cao B. Shewanella biofilm development and engineering for environmental and bioenergy applications, Current Opinion in Chemical Biology, 2020. (cug.edu.cn)
  • Transcripts binning to the genomes of Fe(III)-reducers Anaeromyxobacter , Geobacter , and Pelosinus indicated significant differences in extracellular electron transport (e.g., multiheme cytochrome c , multicopper oxidase, and type-IV pilin gene expression), adhesion/contact (e.g. (biomedcentral.com)
  • Fe(III)-reducing microorganisms in the genus Shewanella have resolved this problem by releasing soluble quinones that can carry electrons from the cell surface to Fe(III) oxide that is at a distance from the cell. (umass.edu)
  • Shewanella cells labeled with green fluorescence protein (GFP) were visualized using confocal laser-scanning microscopy. (kenyon.edu)
  • malonyl CoA-acyl carrier protein transacylase, putative [Geobacter sulf. (yeastrc.org)
  • The genus Shewanella consists of gram-negative proteobacteria that are typically rod shaped, 2-3 μm in length and 0.4-0.7 μm in diameter (Fig 1). (kenyon.edu)
  • 2007). In 1985, 5S rRNA sequencing was used support an entirely new name for the genus, Shewanella. (kenyon.edu)
  • Geobacter spp) or via the production of soluble electron mediator compounds (e.g. (ukri.org)
  • 1] Wang Z., Hu Y., Dong Y., Shi L., Jiang Y. Enhancing electrical outputs of the fuel cells with Geobacter sulferreducens by overexpressing nanowire proteins. (cug.edu.cn)
  • Zan, R., Rapid reactivation of aged NZVI/GO by Shewanella CN32 for efficient removal of tetrabromobisphenol A and associated reaction mechanisms. (lisazhu.com)
  • 2011. Geobacter: the microbe electric's physiology, ecology, and practical applications. . (umass.edu)
  • The presence of such bacteria (Shewanella Oneidensis, Geobacter…) in most soils has led to the development of microbial fuel cells (MFCs), also known as mud batteries . (zprod.org)
  • A co-culture of Shewanella oneidensis and Clostridium beijerinckii gave a maximum power density (Pmax) of 87 mWm-2 (67% COD reduction) compared to 60 mWm-2 for C.beijerinckii alone and 48 mWm-2 for S.oneidensis alone. (westminster.ac.uk)
  • Another study investigated the contribution of direct electron transfer mechanism on electricity production by physically retaining Shewanella oneidensis cells close to or away from the anode electrode using a dialysis membrane (as well as immobilisation of the cells in alginate). (westminster.ac.uk)
  • We investigated the ability of non-metabolizing Bacillus subtilis, Shewanella oneidensis MR-1, and Geobacter sulfurreducens bacterial species to adsorb mercury in the absence and presence of Suwanee River fulvic acid (FA). (princeton.edu)
  • In this study, the Fe3+-reducing bacteria Geobacter sulfurreducens and Shewanella oneidensis were used to synthesize spinel ferrite nanoparticles of the general chemical formula MxFe3-xO4, where M is either Co, Ni, Mn, Zn, or a combination of Mn and Zn. (diamond.ac.uk)
  • Growth with high planktonic biomass in Shewanella oneidensis fuel cells. (umass.edu)
  • Geobacter sulfurreducens strain engineered for increased rates of respiration. (umass.edu)
  • A Geobacter sulfurreducens strain expressing pseudomonas aeruginosa type IV pili localizes OmcS on pili but is deficient in Fe(III) oxide reduction and current production. (umass.edu)
  • Going wireless: Fe(III) oxide reduction without pili by Geobacter sulfurreducens strain JS-1. (umass.edu)
  • Melanin production and use as a soluble electron shuttle for Fe(III) oxide reduction and as a terminal electron acceptor by Shewanella algae BrY. (unh.edu)
  • Genes for two multicopper proteins required for Fe(III) oxide reduction in Geobacter sulfurreducens have different expression patterns both in the subsurface and on energy-harvesting electrodes. (umass.edu)
  • Geobacter sulfurreducens is a model microbe for elucidating the mechanisms for extracellular electron transfer in several biogeochemical cycles, bioelectrochemical applications, and microbial metal corrosion. (bvsalud.org)
  • This study demonstrates that e-pili are abundant filaments emanating from Geobacter sulfurreducens, which serves as a model for long-range extracellular electron transfer in direct interspecies electron transfer, dissimilatory metal reduction, microbe-electrode exchange, and corrosion caused by direct electron uptake from Fe(0). (bvsalud.org)
  • 2011. Geobacter: the microbe electric's physiology, ecology, and practical applications. . (umass.edu)
  • 2008. Comparative genomics of Geobacter chemotaxis genes reveals diverse signaling function. . (umass.edu)
  • Co-culturing Geobacter sulphurreducens, C. beijerinckii and Saccharomyces cerevisiae gave the highest Pmax value of 80 mWm-2 (41% COD reduction) compared to other strain combinations. (westminster.ac.uk)
  • 2007. Importance of c-Type cytochromes for U(VI) reduction by Geobacter sulfurreducens. . (umass.edu)
  • Involvement of Geobacter sulfurreducens SfrAB in acetate metabolism rather than intracellular, respiration-linked Fe(III) citrate reduction. (umass.edu)
  • Geobacter sulfurreducens has two autoregulated lexA genes whose products do not bind the recA promoter: differing responses of lexA and recA to DNA damage. (umass.edu)
  • Possible nonconductive role of Geobacter sulfurreducens pilus nanowires in biofilm formation. (umass.edu)
  • Fluorescent properties of c-type cytochromes reveal their potential role as an extracytoplasmic electron sink in Geobacter sulfurreducens. (umass.edu)