Animal Physiology
Toll-like receptors (TLRs) are a class of proteins that play a crucial role in the immune system by recognizing pathogens and activating immune responses. They are essential for detecting a variety of microbial components, such as lipopolysaccharides and peptidoglycans, which helps the body mount a defense against infections. TLRs are present in many different animal groups, highlighting their importance in comparative immunology as they provide insight into how various species respond to pathogens.
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