Structure of Geobacter cytochrome OmcZ identifies mechanism of nanowire assembly and conductivity

Y Gu, MJ Guberman-Pfeffer, V Srikanth, C Shen… - Nature …, 2023 - nature.com
OmcZ nanowires produced by Geobacter species have high electron conductivity (> 30 S
cm− 1). Of 111 cytochromes present in G. sulfurreducens, OmcZ is the only known nanowire …

Structure of Geobacter OmcZ filaments suggests extracellular cytochrome polymers evolved independently multiple times

F Wang, CH Chan, V Suciu, K Mustafa, M Ammend… - Elife, 2022 - elifesciences.org
While early genetic and low-resolution structural observations suggested that extracellular
conductive filaments on metal-reducing organisms such as Geobacter were composed of …

[HTML][HTML] Structure of microbial nanowires reveals stacked hemes that transport electrons over micrometers

F Wang, Y Gu, JP O'Brien, MY Sophia, SE Yalcin… - Cell, 2019 - cell.com
Summary Long-range (> 10 μm) transport of electrons along networks of Geobacter
sulfurreducens protein filaments, known as microbial nanowires, has been invoked to …

Cryo-EM structure of an extracellular Geobacter OmcE cytochrome filament reveals tetrahaem packing

F Wang, K Mustafa, V Suciu, K Joshi, CH Chan… - Nature …, 2022 - nature.com
Electrically conductive appendages from the anaerobic bacterium Geobacter sulfurreducens
were first observed two decades ago, with genetic and biochemical data suggesting that …

The blind men and the filament: understanding structures and functions of microbial nanowires

SE Yalcin, NS Malvankar - Current opinion in chemical biology, 2020 - Elsevier
Extracellular electron transfer via filamentous protein appendages called 'microbial
nanowires' has long been studied in Geobacter and other bacteria because of their crucial …

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 …

Cryo-EM reveals the structural basis of long-range electron transport in a cytochrome-based bacterial nanowire

DJ Filman, SF Marino, JE Ward, L Yang… - Communications …, 2019 - nature.com
Electrically conductive pili from Geobacter species, termed bacterial nanowires, are
intensely studied for their biological significance and potential in the development of new …

[HTML][HTML] Extracellular cytochrome nanowires appear to be ubiquitous in prokaryotes

DP Baquero, V Cvirkaite-Krupovic, SS Hu, JL Fields… - Cell, 2023 - cell.com
Electrically conductive appendages from the anaerobic bacterium Geobacter
sulfurreducens, recently identified as extracellular cytochrome nanowires (ECNs), have …

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 …

Electric field stimulates production of highly conductive microbial OmcZ nanowires

SE Yalcin, JP O'Brien, Y Gu, K Reiss, SM Yi… - Nature chemical …, 2020 - nature.com
Multifunctional living materials are attractive due to their powerful ability to self-repair and
replicate. However, most natural materials lack electronic functionality. Here we show that …