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The Enzymatic Function Of The Tir Domain: From Axon Degeneration To Innate Immunity, Kow Essuman
The Enzymatic Function Of The Tir Domain: From Axon Degeneration To Innate Immunity, Kow Essuman
Arts & Sciences Electronic Theses and Dissertations
The Toll/Interleukin-1 Receptor (TIR) domain is an evolutionarily ancient protein domain conserved from bacteria to eukaryotes, and is an essential signaling component of innate immunity pathways. In animal innate immunity, TIR domains have primarily been described for their scaffolding function in assembling protein complexes in host defense. In plant immunity, TIR domains are key components of the intracellular Nucleotide Binding Leucine rich repeat (NLR) immune receptors that confer resistance to pathogens. These NLR receptors trigger cell death and an immune response upon activation, but their mechanism has remained elusive. In bacteria, TIR domain proteins have been suggested to function as …