Cytochrome OmcS is not essential for extracellular electron transport via conductive pili in Geobacter sulfurreducens strain KN400

X Liu, DE Holmes, DJF Walker, Y Li… - Applied and …, 2022 - Am Soc Microbiol
The multi-heme c-type cytochrome OmcS is one of the central components used for
extracellular electron transport in the Geobacter sulfurreducens strain DL-1, but its role in …

Lack of physiological evidence for cytochrome filaments functioning as conduits for extracellular electron transfer

IA Schwarz, B Alsaqri, Y Lekbach, K Henry, S Gorman… - Mbio, 2024 - Am Soc Microbiol
Extracellular cytochrome filaments are proposed to serve as conduits for long-range
extracellular electron transfer. The primary functional physiological evidence has been the …

Aromatic amino acids required for pili conductivity and long-range extracellular electron transport in Geobacter sulfurreducens

M Vargas, NS Malvankar, PL Tremblay, C Leang… - MBio, 2013 - Am Soc Microbiol
It has been proposed that Geobacter sulfurreducens requires conductive pili for long-range
electron transport to Fe (III) oxides and for high-density current production in microbial fuel …

Direct Observation of Electrically Conductive Pili Emanating from Geobacter sulfurreducens

X Liu, DJF Walker, SS Nonnenmann, D Sun, DR Lovley - Mbio, 2021 - Am Soc Microbiol
Geobacter sulfurreducens is a model microbe for elucidating the mechanisms for
extracellular electron transfer in several biogeochemical cycles, bioelectrochemical …

Toward establishing minimum requirements for extracellular electron transfer in Geobacter sulfurreducens

T Ueki, LN DiDonato, DR Lovley - FEMS Microbiology Letters, 2017 - academic.oup.com
The highly redundant pathways for extracellular electron transfer in Geobacter
sulfurreducens must be simplified for this microorganism to serve as an effective chassis for …

Improper Localization of the OmcS Cytochrome May Explain the Inability of the xapD-Deficient Mutant of Geobacter sulfurreducens to Reduce Fe(III) Oxide

KA Flanagan, C Leang, JE Ward, DR Lovley - BioRxiv, 2017 - biorxiv.org
Extracellular electron transfer through a redox-active exopolysaccharide matrix has been
proposed as a strategy for extracellular electron transfer to Fe (III) oxide by Geobacter …

The Low Conductivity of Geobacter uraniireducens Pili Suggests a Diversity of Extracellular Electron Transfer Mechanisms in the Genus Geobacter

Y Tan, RY Adhikari, NS Malvankar, JE Ward… - Frontiers in …, 2016 - frontiersin.org
Studies on the mechanisms for extracellular electron transfer in Geobacter species have
primarily focused on Geobacter sulfurreducens, but the poor conservation of genes for some …

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

A Hernández-Eligio, GA Huerta-Miranda… - …, 2022 - Elsevier
Type IV pili and the> 100c-type cytochromes in Geobacter sulfurreducens are essential for
extracellular electron transfer (EET) towards metal oxides and electrodes. A previous report …

Geobacter Protein Nanowires

DR Lovley, DJF Walker - Frontiers in microbiology, 2019 - frontiersin.org
The study of electrically conductive protein nanowires in Geobacter sulfurreducens has led
to new concepts for long-range extracellular electron transport, as well as for the …

Going wireless: Fe (III) oxide reduction without pili by Geobacter sulfurreducens strain JS-1

JA Smith, PL Tremblay, PM Shrestha… - Applied and …, 2014 - Am Soc Microbiol
Previous studies have suggested that the conductive pili of Geobacter sulfurreducens are
essential for extracellular electron transfer to Fe (III) oxides and for optimal long-range …