Related Experiment Video
Updated: Jun 5, 2026
05:57
Fission Yeast as a Platform for Antibacterial Drug Screens Targeting Bacterial Cytoskeleton Proteins
Published on: April 26, 2024
Bacterial cell wall assembly: still an attractive antibacterial target
Timothy D H Bugg1, Darren Braddick, Christopher G Dowson
1Department of Chemistry, University of Warwick, Coventry CV47AL, UK. t.d.bugg@warwick.ac.uk
Trends in Biotechnology
|January 15, 2011
Summary
Developing new antibacterial agents against antibiotic resistance is crucial. This review highlights advances in targeting bacterial cell-wall peptidoglycan biosynthesis for novel drug discovery.
Area of Science:
- Microbiology and Drug Discovery
- Biochemistry and Molecular Biology
Background:
- Antibiotic resistance necessitates novel antibacterial agents.
- Identifying new lead compounds has become challenging in the post-genomic era.
- Bacterial cell-wall peptidoglycan biosynthesis remains a key target for antibacterial chemotherapy.
Purpose of the Study:
- To review recent advancements in targeting bacterial cell-wall peptidoglycan biosynthesis.
- To discuss strategies for identifying and developing new antibacterial lead compounds.
- To explore novel methodologies applied to antibacterial drug discovery.
Main Methods:
- Reconstitution of the entire peptidoglycan biosynthetic pathway for study.
- High-throughput screening for inhibitor identification.
- Application of structure-based drug design, phage display, and surface science.
Main Results:
- Improved availability of peptidoglycan biosynthetic intermediates.
- Successful identification of lead compounds for both cytoplasmic and lipid-linked steps.
- Integration of advanced techniques for enhanced drug discovery.
Conclusions:
- Recent progress facilitates the development of new antibacterial agents targeting peptidoglycan synthesis.
- Novel methods are crucial for overcoming challenges in identifying effective antibacterial compounds.
- Continued research in this area is vital for combating antibiotic resistance.
Related Concept Videos
01:22Bacterial Cell Wall
The bacterial cell wall is an essential structural component that encases the plasma membrane, preserving cellular integrity, determining shape, and protecting against osmotic stress. This rigid yet flexible structure primarily comprises peptidoglycan, a polymer that forms a mesh-like matrix conferring mechanical strength and flexibility.Peptidoglycan Composition and StructurePeptidoglycan, the core of the bacterial cell wall, comprises alternating units of N-acetylglucosamine (NAG) and...
01:23Inhibitors of Gram-positive Cell Wall Synthesis
Bacterial cell walls are typically rigid structures composed mainly of peptidoglycan, a mesh-like polymer that provides mechanical strength and maintains cell shape. The synthesis of peptidoglycan is a crucial process in bacterial growth and serves as a primary target for many antibiotics.Mechanism of Action of Beta-Lactam AntibioticsBeta-lactam antibiotics, such as penicillin, inhibit peptidoglycan synthesis in actively growing cells. These antibiotics share a characteristic four-membered...
01:29Archaeal Cell Wall
Archaeal cell walls are structurally and compositionally distinct from their bacterial counterparts, lacking the characteristic peptidoglycan layer found in most bacteria. Instead, archaeal cell walls exhibit remarkable diversity, utilizing materials such as pseudomurein, polysaccharides, and proteins to construct their protective outer layers. This structural flexibility is closely tied to archaea's ecological adaptability.S-Layers: The Common Archaeal Cell WallThe S-layer is the most...
01:29Cytoskeletal Proteins in Bacteria
Bacterial cells were initially considered simple, randomly organized structures lacking a cytoskeleton. However, the discovery of cytoskeleton homologs in bacteria led to the change of this opinion. Bacterial cytoskeletal filaments regulate the cell shape, cell polarity, cell division, and partitioning of plasmids during cell division. It was later discovered that bacterial cytoskeletal proteins, mainly actin and tubulin homologs, are diverse compared to their eukaryotic counterparts. On the...
01:18Outer Layers of the Cell Envelope
The outermost layers of prokaryotic cells play a critical role in their survival, virulence, and interaction with the environment. These layers, often composed of polysaccharides, polypeptides, or proteins, form protective and adhesive structures that vary in organization and function.Capsules and Slime LayersCapsules are highly organized, tightly bound layers that firmly attach to the bacterial cell wall. Capsules are usually made of polysaccharides, though some are made of polypeptides. These...
01:28Peptidoglycan Synthesis
Structure of PeptidoglycanPeptidoglycan is a vital structural component of the bacterial cell wall, providing mechanical strength and shape to the cell. It consists of repeating units of two sugars—N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM)—linked by β-1,4 glycosidic bonds. These sugar chains are cross-linked by short peptide chains, forming a mesh-like polymer that surrounds the bacterial plasma membrane.Cytoplasmic Phase – Precursor SynthesisPeptidoglycan biosynthesis begins in...