Dissecting the Structural and Conductive Functions of Nanowires in Geobacter sulfurreducens Electroactive Biofilms

Y Ye, X Liu, KH Nealson, C Rensing, S Qin, S Zhou - Mbio, 2022 - Am Soc Microbiol
Conductive nanowires are thought to contribute to long-range electron transfer (LET) in
Geobacter sulfurreducens anode biofilms. Three types of nanowires have been identified …

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 …

Engineering Geobacter pili to produce metal: organic filaments

E Szmuc, DJF Walker, D Kireev, D Akinwande… - Biosensors and …, 2023 - Elsevier
The organized self-assembly of conductive biological structures holds promise for creating
new bioelectronic devices. In particular, Geobacter sulfurreducens type IVa pili have proven …

[HTML][HTML] Reply to Lovley,“Untangling Geobacter sulfurreducens Nanowires”

X Liu, KH Nealson, S Zhou, C Rensing - Mbio, 2022 - Am Soc Microbiol
Research on Geobacter sulfurreducens nanowires is a hot topic that is full of controversies
and unknowns. Cytochrome OmcS and OmcZ nanowires have been detected on G …

Genetic manipulation of Desulfovibrio ferrophilus and evaluation of Fe (III) oxide reduction mechanisms

T Ueki, TL Woodard, DR Lovley - Microbiology Spectrum, 2022 - Am Soc Microbiol
The sulfate-reducing microbe Desulfovibrio ferrophilus is of interest due to its relatively rare
ability to also grow with Fe (III) oxide as an electron acceptor and its rapid corrosion of …

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 …

[HTML][HTML] Untangling Geobacter sulfurreducens Nanowires

DR Lovley - Mbio, 2022 - Am Soc Microbiol
Ye et al.(1) present a model for how protein nanowires contribute to the current production of
Geobacter sulfurreducens biofilms. They state that “In this study, we examined all three …

Generation of high current densities in Geobacter sulfurreducens lacking the putative gene for the PilB pilus assembly motor

T Ueki, DJF Walker, KP Nevin, JE Ward… - Microbiology …, 2021 - Am Soc Microbiol
Geobacter sulfurreducens is commonly employed as a model for the study of extracellular
electron transport mechanisms in the Geobacter species. Deletion of pilB, which is known to …