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Nature. 2003 Sep 4;425(6953):37-8.

Innate defence: evidence for memory in invertebrate immunity.

Author information

1
Department of Evolutionary Ecology, Max Planck Institute of Limnology, August-Thienemann Strasse 2, 24306 Plön, Germany. kurtz@mpil-ploen.mpg.de

Abstract

Acquired immunity in vertebrates is characterized by immunological memory and specificity, whereas the innate defence systems of invertebrates are assumed to have no specific memory. Here we use a model system of a copepod, which is a minute crustacean, and a parasitic tapeworm to show that the success of reinfection depends on the antigenic resemblance between the consecutively encountered parasites. This finding indicates that an invertebrate defence system may be capable of specific memory.

PMID:
12955131
DOI:
10.1038/425037a
[Indexed for MEDLINE]

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