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Cited by 794

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Disentangling Genetic Variation for Resistance and Tolerance to Infectious Diseases in Animals

Open access
Råberg, Lars, Sim, Derek, Read, Andrew F.·2007·Science

Abstract

Hosts can in principle employ two different strategies to defend themselves against parasites: resistance and tolerance. Animals typically exhibit considerable genetic variation for resistance (the ability to limit parasite burden). However, little is known about whether animals can evolve tolerance (the ability to limit the damage caused by a given parasite burden). Using rodent malaria in laboratory mice as a model system and the statistical framework developed by plant-pathogen biologists, we demonstrated genetic variation for tolerance, as measured by the extent to which anemia and weight loss increased with increasing parasite burden. Moreover, resistance and tolerance were negatively genetically correlated. These results mean that animals, like plants, can evolve two conceptually different types of defense, a finding that has important implications for the understanding of the epidemiology and evolution of infectious diseases.

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Metadata

Authors
Råberg, L., Sim, D., & Read, A. F.
Venue
Science
Published
2007-11-02
Volume
318
Issue
5851
Pages
812-814
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2063838707
Cited by
794
References
1
FWCI
13.90
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Disentangling Genetic Variation for Resistance and Tolerance to Infectious Diseases in Animals. https://app.cochat.ai/papers/10.1126/science.1148526
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Råberg, L., Sim, D., & Read, A. F. (2007). Disentangling Genetic Variation for Resistance and Tolerance to Infectious Diseases in Animals. Science. https://doi.org/10.1126/science.1148526

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.