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Updated: Aug 2, 2026

Isolation and Chemical Characterization of Lipid A from Gram-negative Bacteria
Published on: September 16, 2013
Lipid biosynthesis as a target for antibacterial agents
R J Heath1, S W White, C O Rock
1Protein Science Division, Department of Infectious Diseases, St. Jude Children's Research Hospital, Tennessee 38105, Memphis, USA. richard.heath@stjude.org
Type II fatty acid synthase (FAS) pathways in bacteria offer unique targets for developing novel chemotherapeutics. Inhibitors targeting various enzymes in this pathway show promise for combating microbial infections.
Area of Science:
- Microbiology
- Biochemistry
- Drug Discovery
Background:
- Bacterial membrane lipid biogenesis relies on the type II fatty acid synthase (FAS) system, distinct from eukaryotic type I FAS.
- This modular bacterial system presents multiple unique targets for therapeutic intervention.
Purpose of the Study:
- To review current data on inhibitors targeting the bacterial type II FAS pathway.
- To identify areas for future research in developing new chemotherapeutics against microbial infections.
Main Methods:
- Review of existing literature on inhibitors of bacterial fatty acid biosynthesis.
- Analysis of drug targets within the type II FAS pathway, including enoyl-ACP reductase, condensing enzymes, dehydratase/isomerase, and acyltransferase.
Main Results:
- Isoniazid and triclosan target enoyl-ACP reductase.
- Cerulenin and thiolactomycin inhibit condensing enzymes.
- Other inhibitors target dehydratase/isomerase, acyltransferase, and lipid A synthesis.
Conclusions:
- The bacterial type II FAS pathway is a rich source of targets for novel antimicrobial drug development.
- Further research is needed to develop effective chemotherapeutics to combat resistant microbial infections.
Related Concept Videos
Biosynthesis in Bacteria
Biosynthesis of Lipids
Formation of Lipopolysaccharides
Production of Antibiotics
Inhibitors of Gram-positive Cell Wall Synthesis
Inhibitors of Bacterial Protein Synthesis

