Related Experiment Video
Updated: Jul 9, 2026

Quantification of Bacterial Histidine Kinase Autophosphorylation Using a Nitrocellulose Binding Assay
Published on: January 11, 2017
Histidine kinases as antimicrobial targets: prospects and pitfalls
1Division of Chemical and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, 306 Carmody Road, St. Lucia QLD 4072, Australia. s.rowland1@uq.edu.au
Histidine kinases are crucial bacterial sensors and virulence factors. Developing specific inhibitors presents challenges due to their diverse nature, offering a potential avenue for novel antimicrobial strategies.
Area of Science:
- Microbiology
- Biochemistry
- Drug Discovery
Background:
- Histidine kinases are essential bacterial two-component systems.
- They regulate responses to environmental stimuli and are vital for bacterial survival.
- These kinases play key roles in pathogenicity and antibiotic resistance.
Purpose of the Study:
- To review the role of histidine kinases in bacterial signaling.
- To discuss the potential of histidine kinases as antimicrobial targets.
- To highlight the challenges in developing specific inhibitors for this kinase family.
Main Methods:
- Literature review of histidine kinase function and inhibition.
- Analysis of existing research on bacterial two-component systems.
- Discussion of inhibitor development strategies and challenges.
Main Results:
- Histidine kinases are involved in diverse bacterial processes, including virulence.
- Targeting histidine kinases offers a promising strategy against bacterial infections.
- Significant challenges exist in achieving specificity due to kinase diversity.
Conclusions:
- Histidine kinases represent a valuable but challenging target for antimicrobial drug development.
- Overcoming specificity issues is critical for successful inhibitor design.
- Further research is needed to unlock the full therapeutic potential of targeting bacterial histidine kinases.
Related Concept Videos
Inhibitors of Bacterial Protein Synthesis
Gene Regulation in Microbial Communities: Quorum Sensing
Antimicrobial Proteins
Interferons
Interferons (IFNs) are proteins produced by lymphocytes, macrophages, and fibroblasts infected with viruses. While IFNs cannot prevent viruses from entering and...
Antiprotozoal Agents
Transducer Mechanism: Enzyme-Linked Receptors
Major types that are helpful drug targets include:
Targets for Drug Action: Overview
Receptors are either membrane-spanning or intracellular proteins, which upon binding a ligand, get activated and transmit the signal downstream to elicit a response. Drugs bind receptors, either mimicking the action of endogenous ligands or blocking the receptor activity to bring about a modified response. Nearly 35% of approved drugs target the G...

