[HTML][HTML] The microbiologist's guide to membrane potential dynamics

JM Benarroch, M Asally - Trends in microbiology, 2020 - cell.com
All cellular membranes have the functionality of generating and maintaining the gradients of
electrical and electrochemical potentials. Such potentials were generally thought to be an …

Understanding how microorganisms respond to acid pH is central to their control and successful exploitation

PA Lund, D De Biase, O Liran, O Scheler… - Frontiers in …, 2020 - frontiersin.org
Microbes from the three domains of life, Bacteria, Archaea, and Eukarya, share the need to
sense and respond to changes in the external and internal concentrations of protons. When …

The dynamic ion motive force powering the bacterial flagellar motor

A Biquet-Bisquert, G Labesse, F Pedaci… - Frontiers in …, 2021 - frontiersin.org
The bacterial flagellar motor (BFM) is a rotary molecular motor embedded in the cell
membrane of numerous bacteria. It turns a flagellum which acts as a propeller, enabling …

Responsive core-shell DNA particles trigger lipid-membrane disruption and bacteria entrapment

M Walczak, RA Brady, L Mancini, C Contini… - Nature …, 2021 - nature.com
Biology has evolved a variety of agents capable of permeabilizing and disrupting lipid
membranes, from amyloid aggregates, to antimicrobial peptides, to venom compounds …

Sensitive bacterial Vm sensors revealed the excitability of bacterial Vm and its role in antibiotic tolerance

X **, X Zhang, X Ding, T Tian… - Proceedings of the …, 2023 - National Acad Sciences
As an important free energy source, the membrane voltage (Vm) regulates many essential
physiological processes in bacteria. However, in comparison with eukaryotic cells …

The genetics of aerotolerant growth in an alphaproteobacterium with a naturally reduced genome

AL Enright, AB Banta, RD Ward, J Rivera Vazquez… - MBio, 2023 - Am Soc Microbiol
Reduced genome bacteria are genetically simplified systems that facilitate biological study
and industrial use. The free-living alphaproteobacterium Zymomonas mobilis has a naturally …

Collective polarization dynamics in bacterial colonies signify the occurrence of distinct subpopulations

M Hennes, N Bender, T Cronenberg, A Welker… - PLoS …, 2023 - journals.plos.org
Membrane potential in bacterial systems has been shown to be dynamic and tightly related
to survivability at the single-cell level. However, little is known about spatiotemporal patterns …

Active efflux leads to heterogeneous dissipation of proton motive force by protonophores in bacteria

D Le, E Krasnopeeva, F Sinjab, T Pilizota, M Kim - MBio, 2021 - Am Soc Microbiol
Various toxic compounds disrupt bacterial physiology. While bacteria harbor defense
mechanisms to mitigate the toxicity, these mechanisms are often coupled to the …

A synthetic signaling network imitating the action of immune cells in response to bacterial metabolism

M Walczak, L Mancini, J Xu, F Raguseo… - Advanced …, 2023 - Wiley Online Library
State‐of‐the‐art bottom‐up synthetic biology allows to replicate many basic biological
functions in artificial‐cell‐like devices. To mimic more complex behaviors, however, artificial …

A guide for membrane potential measurements in Gram-negative bacteria using voltage-sensitive dyes

JA Buttress, M Halte, JD Te Winkel… - …, 2022 - microbiologyresearch.org
Transmembrane potential is one of the main bioenergetic parameters of bacterial cells, and
is directly involved in energizing key cellular processes such as transport, ATP synthesis …