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Advances towards understanding and engineering direct interspecies electron transfer in anaerobic digestion

Bioresource Technology, 2017
Direct interspecies electron transfer (DIET) is a recently discovered microbial syntrophy where cell-to-cell electron transfer occurs between syntrophic microbial species. DIET between bacteria and methanogenic archaea in anaerobic digestion can accelerate the syntrophic conversion of various reduced organic compounds to methane.
Sajib, Barua, Bipro Ranjan, Dhar
openaire   +2 more sources

Metagenomic Insights into Direct Interspecies Electron Transfer and Quorum Sensing in Blackwater Anaerobic Digestion Reactors Supplemented with Granular Activated Carbon.

Bioresource Technology, 2022
The addition of granular activated carbon (GAC) enhanced the performance of up-flow anaerobic sludge blanket (UASB) reactor treating blackwater at 35 °C. DNA were extracted from the sludge and biofilms attached to GAC and submitted for shotgun sequencing.
Hongyu Dang   +5 more
semanticscholar   +1 more source

Direct interspecies electron transfer for environmental treatment and chemical electrosynthesis: A review

Environmental Chemistry Letters
Zhen Fang   +6 more
semanticscholar   +2 more sources

Enhanced Methane Production in the Anaerobic Digestion of Swine Manure: Effects of Substrate-to-Inoculum Ratio and Magnetite-Mediated Direct Interspecies Electron Transfer

Energies
Improving the anaerobic digestion (AD) of swine manure is crucial for sustainable waste-to-energy systems, given its high organic load and process instability risks.
Jung-Sup Lee   +8 more
semanticscholar   +1 more source

Direct interspecies electron transfer accelerates syntrophic oxidation of butyrate in paddy soil enrichments

Environmental Microbiology, 2014
Summary Syntrophic interaction occurs during anaerobic fermentation of organic substances forming methane as the final product. H 2 and formate are known to serve as the electron carriers in this process.
Huijuan, Li   +5 more
openaire   +2 more sources

Direct interspecies electron transfer via conductive materials: A perspective for anaerobic digestion applications

Bioresource Technology, 2018
Anaerobic digestion (AD) is a microbial process that produces renewable energy in the form of methane by treating organic waste and high-strength wastewater. Recent studies have demonstrated that conductive materials can promote direct interspecies electron transfer (DIET) between exoelectrogenic bacteria and methanogenic archaea.
Jeong-Hoon, Park   +3 more
openaire   +2 more sources

Electrochemical evidence for direct interspecies electron transfer between Geobacter sulfurreducens and Prosthecochloris aestuarii

Bioelectrochemistry, 2019
The syntrophic photosynthesis via direct interspecies electron transfer (DIET) between Geobacter sulfurreducens and Prosthecochloris aestuarii has opened a new paradigm of microbial phototrophy. However, it is still unknown whether this photosynthetic DIET can be mediated by an electrical conductor. Here we report first the photosynthetic DIET in a two-
Lingyan, Huang   +4 more
openaire   +2 more sources

Comparing the effects of magnetite-mediated direct interspecies electron transfer with biogas mixing-driven interspecies hydrogen transfer on anaerobic digestion

Chemosphere
Although the promotive effect of direct interspecies electron transfer (DIET) on methane production has been well-documented, the practical applicability of DIET in different scenarios have not yet been systematically studied. This study compared the effects of magnetite-mediated DIET with conventional biogas mixing-driven interspecies hydrogen ...
Yaoqi Hou   +7 more
openaire   +2 more sources

Advances in direct interspecies electron transfer and conductive materials: Electron flux, organic degradation and microbial interaction

Biotechnology Advances, 2019
Direct interspecies electron transfer (DIET) via electrically conductive pili (e-pili) and c-type cytochrome between acetogens and methanogens has been proposed as an essential pathway for methane production. Supplements of conductive materials have been extensively found to promote methane production in microbial anaerobic treatment systems.
Qidong Yin, Guangxue Wu
openaire   +2 more sources

The survival strategy of direct interspecies electron transfer-capable coculture under electron donor-limited environments

Science of The Total Environment
Direct interspecies electron transfer (DIET) has been considered as an effective mechanism for interspecies electron exchange in microbial syntrophy. Understanding DIET-capable syntrophic associations under energy-limited environments is important because these conditions more closely approximate those found in natural subsurface environments than in ...
Guiqin, Yang   +7 more
openaire   +2 more sources

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