High Quality Content by WIKIPEDIA articles! Pathogen-associated molecular patterns, or PAMPs, are molecules associated with groups of pathogens, that are recognized by cells of the innate immune system. These molecules can be referred to as small molecular motifs conserved within a class of microbes. They are recognized by Toll-like receptors (TLRs) and other pattern recognition receptors (PRRs) in both plants and animals.They activate innate immune responses, protecting the host from infection, by identifying some conserved non-self molecules. Bacterial Lipopolysaccharide (LPS), an endotoxin found on the bacterial cell membrane of a bacterium, is considered to be the prototypical PAMP. LPS is specifically recognised by TLR 4, a recognition receptor of the innate immune system.

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