Confused and have questions? We’ve got answers. With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors.

Lipopolysaccharide

From Biology-Online Dictionary
Jump to: navigation, search

Definition

noun, plural: lipopolysaccharides

A compound in which a lipid molecule is bound to a polysaccharide by a covalent bond.


Supplement

Lipopolysaccharide is commonly found as major constituent of the cell walls of certain bacteria, particularly the gram-negative strains, whose function is to help stabilize the overall membrane structure and to protect it from certain chemicals.

It is highly immunogenic and stimulates the production of endogenous pyrogen interleukin-1 and tumour necrosis factor. It is a potent activator of macrophages.


Word origin: from Greek lípos, fat + polysaccharide.

Abbreviation: LPS
See also: lipid a.