Results 151 to 160 of about 1,330 (166)

Accelerated Microbial Corrosion by Magnetite and Electrically Conductive Pili through Direct Fe⁰‐to‐Microbe Electron Transfer

Angewandte Chemie, 2023
AbstractElectrobiocorrosion, the process in which microbes extract electrons from metallic iron (Fe0) through direct Fe0‐microbe electrical connections, is thought to contribute to the costly corrosion of iron‐containing metals that impacts many industries. However, electrobiocorrosion mechanisms are poorly understood.
Yuting Jin, Enze Zhou, Toshiyuki Ueki, Danni Zhang, Yongqiang Fan, Dake Xu, Fuhui Wang, Derek R. Lovley   +7 more
openaire   +2 more sources

A specially structured conductive nickel-deposited poly(ethylene terephthalate) nonwoven membrane intertwined with microbial pili-like poly(vinyl alcohol-co-ethylene) nanofibers and its application as an alcohol sensor

RSC Advances, 2014
The trend in development of portable and wearable sensors in healthcare-related applications promotes an expanding demand for flexible, stretchable and electrically conductive fabrics. A novel structured conductive nickel-deposited poly(ethylene terephthalate) (PET) membrane intertwined with microbial pili-like poly(vinyl alcohol-co-ethylene) (PVA-co ...
Qiongzhen Liu, Ming Xia, Dong Wang
exaly   +2 more sources

Molecular and Electronic Structure of the Peptide Subunit of Geobacter sulfurreducens Conductive Pili from First Principles

The Journal of Physical Chemistry A, 2012
The respiration of metal oxides by the bacterium Geobacter sulfurreducens requires the assembly of a small peptide (the GS pilin) into conductive filaments termed pili. We gained insights into the contribution of the GS pilin to the pilus conductivity by developing a homology model and performing molecular dynamics simulations of the pilin peptide in ...
Gustavo T, Feliciano, Antonio J R, da Silva, Gemma, Reguera, Emilio, Artacho   +3 more
openaire   +2 more sources

Correlation between intracellular electron transfer and gene expression for electrically conductive pili in electroactive bacteria during anaerobic digestion with ethanol

Water Research
Ethanol feeding has been widely documented as an economical and effective strategy for establishing direct interspecies electron transfer (DIET) during anaerobic digestion. However, the mechanisms involved are still unclear, especially on correlation between intracellular electron transfer in electroactive bacteria and their gene expression for ...
Zhiqiang Zhao, Yaobin Zhang, Yaohui Kong   +2 more
exaly   +3 more sources

Conductive Membrane Blebs Differ from e- Pili Nanowires: Debate Over?

Microbe Magazine, 2014
In Shewanella oneidensis bacteria, electricity is conducted not via pili, but through tube-shaped bleb extensions of outer-membrane vesicles—a finding that could help to resolve a decade-long debate, according to Mohammed El-Naggar of the University of Southern California, Pasadena, and his collaborators.
openaire   +1 more source

Electronic properties of conductive pili of the metal-reducing bacteriumGeobacter sulfurreducensprobed by scanning tunneling microscopy

Physical Review E, 2011
The metal-reducing bacterium Geobacter sulfurreducens produces conductive protein appendages known as "pilus nanowires" to transfer electrons to metal oxides and to other cells. These processes can be harnessed for the bioremediation of toxic metals and the generation of electricity in bioelectrochemical cells.
Joshua P, Veazey, Gemma, Reguera, Stuart H, Tessmer   +2 more
openaire   +2 more sources

Long-range electron transport to Fe(III) oxide via pili with metallic-like conductivity

Biochemical Society Transactions, 2012
The mechanisms for Fe(III) oxide reduction by Geobacter species are of interest because Geobacter species have been shown to play an important role in Fe(III) oxide reduction in a diversity of environments in which Fe(III) reduction is a geochemically significant process.
openaire   +2 more sources

Transitional role of granular activated carbon for potentially promoting the expression of conductive pili and quorum sensing during anaerobic digestion

Bioresource Technology
Granular activated carbon (GAC) amendment mediated the microorganisms to significantly enhances methane production in anaerobic digestion. To elucidate the underlying microbial mechanisms, a genome-centric metagenomic analysis was conducted on DNA extracted from lab-scale anaerobic digesters treated with GAC.
Hongyu Dang, Yingdi Zhang, Lei Zhang, Yang Liu   +3 more
openaire   +2 more sources

Salmonella enterica serovar typhi uses Type IVB pili to enter human intestinal epithelial cells via the human cystic fibrosis transmembrane conductance regulator

2014
DNA sequencing upstream of the Salmonella typhi pilV and rci genes previously identified in the ca. 118 Kb major "pathogenicity island" identified a further 10 pil genes apparently forming a pil operon. The product of the pilS gene, prePilS protein (a putative Type IVB structural prepilin) was purified and an anti-prePilS antiserum raised in mice ...
openaire   +2 more sources

Accelerated Microbial Corrosion by Magnetite and Electrically Conductive Pili through Direct Fe0‐to‐Microbe Electron Transfer

Angewandte Chemie - International Edition, 2023
Yuting Jin, Enze Zhou, Toshiyuki Ueki
exaly