Understanding the ecology and evolution of host-parasite interactions across scales.

Authors

Rachel M Penczykowski, Anna-Liisa Laine, Britt Koskella

Published in

Evolutionary applications. Volume 9. Issue 1. Pages 37-52. Epub Aug 20, 2015.

Abstract

Predicting the emergence, spread and evolution of parasites within and among host populations requires insight to both the spatial and temporal scales of adaptation, including an understanding of within-host up through community-level dynamics. Although there are very few pathosystems for which such extensive data exist, there has been a recent push to integrate studies performed over multiple scales or to simultaneously test for dynamics occurring across scales. Drawing on examples from the literature, with primary emphasis on three diverse host-parasite case studies, we first examine current understanding of the spatial structure of host and parasite populations, including patterns of local adaptation and spatial variation in host resistance and parasite infectivity. We then explore the ways to measure temporal variation and dynamics in host-parasite interactions and discuss the need to examine change over both ecological and evolutionary timescales. Finally, we highlight new approaches and syntheses that allow for simultaneous analysis of dynamics across scales. We argue that there is great value in examining interplay among scales in studies of host-parasite interactions.

PMID:
27087838
Bibliographic data and abstract were imported from PubMed on 08 Nov 2025.

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