The effect of migration on local adaptation in a coevolving host–parasite system

Andrew D. Morgan (), Sylvain Gandon and Angus Buckling
Additional contact information
Andrew D. Morgan: University of Oxford
Sylvain Gandon: UMR CNRS/IRD 2724, IRD
Angus Buckling: University of Oxford

Nature, 2005, vol. 437, issue 7056, 253-256

Abstract: Abstract Antagonistic coevolution between hosts and parasites in spatially structured populations can result in local adaptation of parasites1,2,3,4,5; that is, the greater infectivity of local parasites than foreign parasites on local hosts1. Such parasite specialization on local hosts has implications for human health and agriculture. By contrast with classic single-species population-genetic models6,7, theory indicates that parasite migration between subpopulations might increase parasite local adaptation, as long as migration does not completely homogenize populations8,9,10,11. To test this hypothesis we developed a system-specific mathematical model and then coevolved replicate populations of the bacterium Pseudomonas fluorescens and a parasitic bacteriophage with parasite only, with host only or with no migration. Here we show that patterns of local adaptation have considerable temporal and spatial variation and that, in the absence of migration, parasites tend to be locally maladapted. However, in accord with our model, parasite migration results in parasite local adaptation, but host migration alone has no significant effect.

Date: 2005
References: Add references at CitEc
Citations: View citations in EconPapers (2)

Downloads: (external link)
https://www.nature.com/articles/nature03913 Abstract (text/html)
Access to the full text of the articles in this series is restricted.

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:nat:nature:v:437:y:2005:i:7056:d:10.1038_nature03913

Ordering information: This journal article can be ordered from
https://www.nature.com/

DOI: 10.1038/nature03913

Access Statistics for this article

Nature is currently edited by Magdalena Skipper

More articles in Nature from Nature
Bibliographic data for series maintained by Sonal Shukla () and Springer Nature Abstracting and Indexing ().