Results 1 to 10 of about 1,109 (120)

Direct Observation of Electrically Conductive Pili Emanating from Geobacter sulfurreducens [PDF]

open access: yesmBio, 2021
Geobacter sulfurreducens is a model microbe for elucidating the mechanisms for extracellular electron transfer in several biogeochemical cycles, bioelectrochemical applications, and microbial metal corrosion.
Xinying Liu   +4 more
doaj   +2 more sources

Geobacter Strains Expressing Poorly Conductive Pili Reveal Constraints on Direct Interspecies Electron Transfer Mechanisms [PDF]

open access: yesmBio, 2018
Cytochrome-to-cytochrome electron transfer and electron transfer along conduits of multiple extracellular magnetite grains are often proposed as strategies for direct interspecies electron transfer (DIET) that do not require electrically conductive pili (
Toshiyuki Ueki   +6 more
doaj   +2 more sources

Necessity of electrically conductive pili for methanogenesis with magnetite stimulation [PDF]

open access: yesPeerJ, 2018
Background Magnetite-mediated direct interspecies electron transfer (DIET) between Geobacter and Methanosarcina species is increasingly being invoked to explain magnetite stimulation of methane production in anaerobic soils and sediments.
Oumei Wang   +4 more
doaj   +3 more sources

Potential interactions between syntrophic bacteria and methanogens via type IV pili and quorum-sensing systems

open access: yesEnvironment International, 2020
Interspecies electron transfer plays an important role in syntrophic methanogenesis. Direct interspecies electron transfer (DIET) between syntrophic oxidizers and methanogens via conductive pili has been only confirmed in some specific co-cultures.
Qidong Yin   +2 more
exaly   +3 more sources

Comparative transcriptomics of closely related Geobacter sulfurreducens strains uncovers strain-level variations in extracellular electron transfer [PDF]

open access: yesFrontiers in Microbiology
Members of Geobacter sulfurreducens are electroactive bacteria that transfer electrons to extracellular solid electron acceptors using extracellular electron transport (EET) pathways, thereby generating currents in bioelectrochemical systems (BESs ...
Mizuki Toda   +5 more
doaj   +2 more sources

The Restorative Effects of Electron Mediators on the Formation of Electroactive Biofilms in Geobacter sulfurreducens [PDF]

open access: yesMicroorganisms
Electroactive biofilms (EABs) are essential for the performance of bioelectrochemical systems (BESs), but their formation in Geobacter, critically on conductive pili and exopolysaccharides, limits application under conditions where these components are ...
Zheng Zhuang   +3 more
doaj   +2 more sources

Genome-centric metagenomics reveals electroactive syntrophs in a conductive particle-dependent consortium from coastal sediments [PDF]

open access: yesNature Communications
Conductive particles are common in coastal sediments, yet their role in shaping methane-producing communities and pathways remains unclear. We applied genome-resolved metagenomics to a sediment-derived consortium serially transferred for a decade and ...
Danijel Jovicic   +5 more
doaj   +2 more sources

Microbially driven methane and sulfur cycling processes and coupling mechanisms in mangrove sediments [PDF]

open access: yesEnvironmental Microbiome
Background Methane (CH4) as a powerful greenhouse gas is the second largest contributor to global climate warming. Mangrove sediments are an important natural source of biogenic CH4 with rich organic carbon (C) and diverse sulfur (S) compounds, ideally ...
Mei Tao   +10 more
doaj   +2 more sources

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