Electrochemically active microorganisms sense charge transfer resistance for regulating biofilm electroactivity, spatio-temporal distribution, and catabolic pathway

T Cai, Y Zhang, N Wang, Z Zhang, X Lu… - Chemical Engineering …, 2022 - Elsevier
Charge transfer resistance (CTR) is a key operating parameter for regulating energy … ,
electrochemically active biofilms (ECABs) development, and microbial diversity and metabolism in …

Microbiomics for enhancing electron transfer in an electrochemical system

AS Roy, A Sharma, BS Thapa, S Pandit… - Frontiers in …, 2022 - frontiersin.org
… The metabolism within the biofilm is dependent on the microenvironment created by the
co-… redox pair at the biofilm-electrode interface (mM), α is the charge transport constant (unitless)…

Evidence of a streamlined extracellular electron transfer pathway from biofilm structure, metabolic stratification, and long-range electron transfer parameters

F Jiménez Otero, GL Chadwick, MD Yates… - Applied and …, 2021 - Am Soc Microbiol
… 6B], based on equation 10, which we derive here) closely matches σ m determined
experimentally by electrochemical gating measurements (5.5 × 10 −6 S · cm −1 ) (28). Future …

Insight into the pseudocapacitive behavior of electroactive biofilms in response to dynamic-controlled electron transfer and metabolism kinetics for current generation …

C Li, S Hu, C Ji, K Yi, W Yang - Environmental Science & …, 2023 - ACS Publications
biofilms (EBs) engage in complex electron transfer and storage processes involving intracellular
and extracellular mediators with temporary electron … Systematic electrochemical and …

Progress and prospects of bioelectrochemical systems: electron transfer and its applications in the microbial metabolism

T Zheng, J Li, Y Ji, W Zhang, Y Fang, F Xin… - … in Bioengineering and …, 2020 - frontiersin.org
… in this electrochemical system, and the electron transfer kinetic … electron transfer efficiency,
the development of biofilms can … of biofilm ensures direct long distance electron transfer, high …

Potential regulates metabolism and extracellular respiration of electroactive Geobacter biofilm

DB Li, J Li, DF Liu, X Ma, L Cheng… - Biotechnology and …, 2019 - Wiley Online Library
… processes during electrochemical perturbation to the biofilms and fits our data well. … an
inefficient potential gradient and thus limited electron transfer in the 0.0 V biofilm. Thus, it can be …

GSU1771 regulates extracellular electron transfer and electroactive biofilm formation in Geobacter sulfurreducens: Genetic and electrochemical characterization

A Hernández-Eligio, GA Huerta-Miranda… - …, 2022 - Elsevier
… , in addition to forming thicker biofilms than the DL1 strain, we next sought to characterize
the electrochemical properties of conductive biofilms on FTO electrodes via open circuit …

Overview of electroactive microorganisms and electron transfer mechanisms in microbial electrochemistry

BS Thapa, T Kim, S Pandit, YE Song, YP Afsharian… - Bioresource …, 2022 - Elsevier
… A controlled balance between the metabolic pathways is required to … biofilm and plays an
important role in electron transfer. Deficiency of the OmcZ gene resulted in less electrochemical

Bidirectional extracellular electron transfers of electrode-biofilm: Mechanism and application

Y Jiang, RJ Zeng - Bioresource technology, 2019 - Elsevier
electron transfer (EET) between microorganisms and electrodes forms the basis for microbial
electrochemical … This review, for the first time, focuses on the electrode-biofilm capable of …

Electron storage in electroactive biofilms

A Ter Heijne, MA Pereira, J Pereira, T Sleutels - Trends in Biotechnology, 2021 - cell.com
… these occur, are essential to improve microbial electrochemical conversions and to optimize
… active components in the electron transport chain and in the form of polymers. We review …