Disparity of Cytochrome Utilization in Anodic and Cathodic Extracellular Electron Transfer Pathways of Geobacter sulfurreducens Biofilms

N Heidary, N Kornienko, S Kalathil… - Journal of the …, 2020 - ACS Publications
Extracellular electron transfer (EET) in microorganisms is prevalent in nature and has been
utilized in functional bioelectrochemical systems. EET of Geobacter sulfurreducens has …

Geobacter sulfurreducens adapts to low electrode potential for extracellular electron transfer

L Peng, XT Zhang, J Yin, SY Xu, Y Zhang, DT Xie… - Electrochimica …, 2016 - Elsevier
Microbial extracellular electron transfer (EET) occurring in natural and engineering
processes is attracting increasing interests. While a meaningful question for bioenergetics …

Long‐Distance Electron Transfer by G. sulfurreducens Biofilms Results in Accumulation of Reduced c‐Type Cytochromes

Y Liu, DR Bond - ChemSusChem, 2012 - Wiley Online Library
The Geobacteraceae group of bacteria possesses a natural ability to link cytoplasmic
metabolism with redox chemistry at their external surface. Although this capability likely …

Linking spectral and electrochemical analysis to monitor c-type cytochrome redox status in living Geobacter sulfurreducens biofilms

Y Liu, H Kim, RR Franklin, DR Bond - ChemPhysChem, 2011 - experts.umn.edu
Biofilm synesthesia: A simultaneous spectral and electrochemical analysis reveals the redox
status of cytochromes within living electroactive biofilms of Geobacter. The results confirm …

Electrochemical and spectroscopic insights into the mechanisms of bidirectional microbe-electrode electron transfer in Geobacter soli biofilms

G Yang, L Huang, L You, L Zhuang, S Zhou - Electrochemistry …, 2017 - Elsevier
Few electroactive bacteria have shown the capacity of exchanging electrons with electrode
in both directions, and the mechanisms of such bidirectional electron transfer remain …

Bidirectional extracellular electron transfer pathways of Geobacter sulfurreducens biofilms: Molecular insights into extracellular polymeric substances

G Yang, X Xia, W Nie, B Qin, T Hou, A Lin, S Yao… - Environmental …, 2024 - Elsevier
The basis for bioelectrochemical technology is the capability of electroactive bacteria (EAB)
to perform bidirectional extracellular electron transfer (EET) with electrodes, ie outward-and …

Long-range electron transport in Geobacter sulfurreducens biofilms is redox gradient-driven

RM Snider, SM Strycharz-Glaven… - Proceedings of the …, 2012 - National Acad Sciences
Geobacter spp. can acquire energy by coupling intracellular oxidation of organic matter with
extracellular electron transfer to an anode (an electrode poised at a metabolically oxidizing …

Cyclic voltammetry of biofilms of wild type and mutant Geobacter sulfurreducens on fuel cell anodes indicates possible roles of OmcB, OmcZ, type IV pili, and protons …

H Richter, KP Nevin, H Jia, DA Lowy… - Energy & …, 2009 - pubs.rsc.org
Geobacteracea are distinct for their ability to reduce insoluble oxidants including minerals
and electrodes without apparent reliance on soluble extracellular electron transfer (ET) …

A long way to the electrode: how do Geobacter cells transport their electrons?

PS Bonanni, GD Schrott… - Biochemical Society …, 2012 - portlandpress.com
The mechanism of electron transport in Geobacter sulfurreducens biofilms is a topic under
intense study and debate. Although some proteins were found to be essential for current …

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
ABSTRACT A strain of Geobacter sulfurreducens, an organism capable of respiring solid
extracellular substrates, lacking four of five outer membrane cytochrome complexes …