Bacteriology 0 Views 1 Answers
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Sourav PanDecember 7, 2024

Describe the three important parts of the bacterial lipopolysaccharide.

Describe the three important parts of the bacterial lipopolysaccharide.

Sourav Pan
Sourav PanDecember 7, 2024

Answered

The lipopolysaccharide (LPS), a major component of the outer membrane of gram-negative bacteria, consists of three main parts: 1. Lipid A: The hydrophobic portion that anchors the LPS molecule in the bacterial membrane and is responsible for the toxic effects of endotoxins. 2. Core oligosaccharide: A short chain of sugar molecules that links Lipid A to the O-antigen. 3. O-antigen: A repeating polysaccharide structure that extends outward from the bacterial surface and is responsible for antigenic variation, allowing bacteria to evade the host immune system.

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