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Printable Handouts
Navigable Slide Index
- Introduction
- Pathogens range from viruses to parasites
- Evolutionary arms race
- Pathogens against which immunity must protect
- Why is the immune response so complicated?
- An adaptive immune system
- Barriers, cells and molecules in innate immunity
- Pathogen recognition receptors
- A receptor for "stress signals"
- "Self markers" and "missing self"
- Innate / adaptive immunity / genetic resistance
- A textbook view of immune responses
- Evolutionary history of immune responses
- A phylogenetic tree of the vertebrates
- A phylogenetic tree of the multicellular animals
- A phylogenetic tree of living organisms
- Phylogenetic tree of the animals - Metazoans
- Invertebrates survive with just innate immunity
- Adaptive immunity in invertebrates (1)
- Adaptive immunity in invertebrates (2)
- Diversity in the immune system
- A short summary, a conclusion and a caveat
- Variation between groups of animals
- History of innate immunity - five examples (1)
- History of innate immunity - Toll-like receptors (1)
- History of innate immunity - Toll-like receptors (2)
- History of innate immunity - Toll-like receptors (3)
- History of innate immunity - Complement
- The complement system
- Complement is an ancient, important system
- Complement can detect "missing self"
- Evolution by duplication of little modules
- Complement components are very ancient
- History of innate immunity - Natural Killer cells
- NK cells: an important arm of the innate immunity
- NK cells detect "missing self"
- NK cells detect stress (1)
- NK cells detect stress (2)
- A new concept of "innate lymphocytes"
- Innate / adaptive immunity - what came first?
- NK receptors: different molecules, same job
- Follow evolution of NK by signalling cascades
- History of innate immunity: Antimicrobial peptides
- AMPs are important for innate immunity
- AMPs are widespread in living organisms
- A phylogenetic tree of living organisms - AMP
- History of innate immunity - Phagocytes
- Macrophages are key cells for innate immunity
- Macrophages are found throughout metazoans
- A phylogenetic tree - Macrophages
- History of innate immunity - five examples (2)
- Conclusions
Topics Covered
- Evolutionary arms race between hosts and pathogens
- Evidence and models of adaptive and innate immunity
- Methods and data for inferring the evolution of immunity
- Toll-like receptors (TLRs)
- The complement system (C')
- Natural killer (NK) cells
- Anti-microbial peptides (AMPs)
- Phagocytes
- Diversity in immune responses is a most important property
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Talk Citation
Kaufman, J. (2022, January 23). Evolution of innate immunity [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved April 15, 2025, from https://doi.org/10.69645/MSHF8882.Export Citation (RIS)
Publication History
Financial Disclosures
- There are no commerical/financial matters to disclose.