Target intelligence / Profile preview

Bacterial Membrane Electrochemical Gradient (PMF)

Target
PMF
Molecular classification
Electrochemical gradient, Ion gradient, Bioenergetic system
01

Overview

The bacterial membrane electrochemical gradient is the difference in electrical charge and ion concentrations (typically protons) across the bacterial cytoplasmic membrane. This gradient, often manifested as the proton motive force (PMF), is crucial for ATP synthesis, active transport, motility, signaling, and stress responses. It is maintained by various pumps, channels, and transporters, and its disruption can be a target for antibiotics.

Other names
Proton Motive ForceElectrochemical GradientΔpΔμH+Transmembrane Electrochemical Potential
02

Mechanism of action

Disruption of ion gradients leading to energy depletion, cell death, or impaired function.

03

Biological functions

ATP synthesisActive transportFlagellar motilityCell signalingEnvironmental sensingNutrient uptakeWaste export
04

Disease associations

Infection (bacterial)Antibiotic resistance
05

Safety considerations

Non-selective disruption of electrochemical gradients can be toxic to host cells.Development of resistance mechanisms by bacteria.
06

Interacting drugs

Antibiotics targeting ion homeostasis

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