Gradients and consequences of heterogeneity in biofilms
Historically, appreciation for the roles of resource gradients in biology has fluctuated
inversely to the popularity of genetic mechanisms. Nevertheless, in microbiology specifically …
inversely to the popularity of genetic mechanisms. Nevertheless, in microbiology specifically …
Beneficial applications of biofilms
LA Philipp, K Bühler, R Ulber, J Gescher - Nature Reviews Microbiology, 2023 - nature.com
Many microorganisms live in the form of a biofilm. Although they are feared in the medical
sector, biofilms that are composed of non-pathogenic organisms can be highly beneficial in …
sector, biofilms that are composed of non-pathogenic organisms can be highly beneficial in …
Anode potentials regulate Geobacter biofilms: new insights from the composition and spatial structure of extracellular polymeric substances
G Yang, L Huang, Z Yu, X Liu, S Chen, J Zeng, S Zhou… - Water research, 2019 - Elsevier
The extracellular electron transfer (EET) efficiency in bioelectrochemical systems has been
proven to be dependent on anode potentials. To explore the underlying mechanism …
proven to be dependent on anode potentials. To explore the underlying mechanism …
[HTML][HTML] Mechanistic stratification in electroactive biofilms of Geobacter sulfurreducens mediated by pilus nanowires
RJ Steidl, S Lampa-Pastirk, G Reguera - Nature Communications, 2016 - nature.com
Electricity generation by Geobacter sulfurreducens biofilms grown on electrodes involves
matrix-associated electron carriers, such as c-type cytochromes. Yet, the contribution of the …
matrix-associated electron carriers, such as c-type cytochromes. Yet, the contribution of the …
Temporal-spatial changes in viabilities and electrochemical properties of anode biofilms
Sustained current generation by anodic biofilms is a key element for the longevity and
success of bioelectrochemical systems. Over time, however, inactive or dead cells can …
success of bioelectrochemical systems. Over time, however, inactive or dead cells can …
NanoSIMS imaging reveals metabolic stratification within current-producing biofilms
GL Chadwick, F Jiménez Otero… - Proceedings of the …, 2019 - National Acad Sciences
Metal-reducing bacteria direct electrons to their outer surfaces, where insoluble metal oxides
or electrodes act as terminal electron acceptors, generating electrical current from anaerobic …
or electrodes act as terminal electron acceptors, generating electrical current from anaerobic …
An inner membrane cytochrome required only for reduction of high redox potential extracellular electron acceptors
Dissimilatory metal-reducing bacteria, such as Geobacter sulfurreducens, transfer electrons
beyond their outer membranes to Fe (III) and Mn (IV) oxides, heavy metals, and electrodes in …
beyond their outer membranes to Fe (III) and Mn (IV) oxides, heavy metals, and electrodes in …
Flagella act as Geobacter biofilm scaffolds to stabilize biofilm and facilitate extracellular electron transfer
Flagella are widely expressed in electroactive biofilms; however, their actual role is
unknown. To understand the role of flagella, two Geobacter sulfurreducens strains (KN400 …
unknown. To understand the role of flagella, two Geobacter sulfurreducens strains (KN400 …
Electron flow shifts from anode respiration to nitrate reduction during electroactive biofilm thickening
L Zhou, Y Jiang, Y Wan, X Liu, H Zhou… - Environmental …, 2020 - ACS Publications
As electrons generated through substrate oxidation compete with electrodes, dissimilatory
nitrate reduction to ammonium (DNRA), denitrification in bioelectrochemical systems in the …
nitrate reduction to ammonium (DNRA), denitrification in bioelectrochemical systems in the …
Tailoring spatial structure of electroactive biofilm for enhanced activity and direct electron transfer on iron phthalocyanine modified anode in microbial fuel cells
Electroactive biofilm (EAB) has been considered as the core determining electricity
generation in microbial fuel cells (MFCs), and its spatial structure regulation for enhanced …
generation in microbial fuel cells (MFCs), and its spatial structure regulation for enhanced …