Lipid A is a crucial component of lipopolysaccharides (LPS), which are found in the outer membrane of Gram-negative bacteria. It serves as an anchor for the LPS molecule and plays a significant role in the structural integrity of the bacterial membrane. Lipid A is characterized by its hydrophobic nature, which is attributed to its long fatty acid chains, typically consisting of saturated and unsaturated fatty acids. This hydrophobicity allows it to interact effectively with the lipid bilayer of the bacterial membrane. Additionally, lipid A is known for its immunogenic properties, as it can trigger strong immune responses in host organisms, leading to the activation of immune cells and the release of pro-inflammatory cytokines. The structure of lipid A can vary among different bacterial species, influencing its biological activity and the severity of the immune response it elicits. Overall, lipid A is essential for bacterial survival and pathogenicity, making it a significant target for antibiotic development and vaccine design.

lipid A

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CAS 95991-05-2: lipid A

Lipid A;diphosphoryl from Escherichia coli F583 (Rd mutant)

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