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Invertebrate immunity and the limits of mechanistic immunology

Abstract

Rapid progress is being made in elucidating the molecular mechanisms involved in invertebrate immunity. This search for molecules runs the risk of missing important phenomena. In vertebrates, acquired protection and pathogen-specific responses were demonstrated experimentally long before the mechanisms responsible were elucidated. Without analogous experiments, mechanism-driven work may not demonstrate the full richness of invertebrate immunity.

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Figure 1: How to determine what an invertebrate immune system can do.
Figure 2: How to determine the level of genetic specificity in an invertebrate host-pathogen interaction.

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Acknowledgements

The authors thank A. Graham, A. Hayward and L. Råberg for comments. Supported by the University of Edinburgh School of Biological Sciences, Wellcome Trust and Natural Environment Research Council (T.L.); the Swedish Research Council, Swedish Cancer Society, Swedish Foundation for Strategic Research and Wallenberg Consortium North (D.H.); and the Wellcome Trust and Biotechnology and Biological Sciences Research Council (A.R.).

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Correspondence to Tom J Little.

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Little, T., Hultmark, D. & Read, A. Invertebrate immunity and the limits of mechanistic immunology. Nat Immunol 6, 651–654 (2005). https://doi.org/10.1038/ni1219

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