Constraints on the evolution of disease resistance in an annual legume

Parker, Matthew

doi:10.1038/hdy.1993.137

Cited by 8 publications

(3 citation statements)

References 24 publications

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“…In deed, field transplant experiments showed an in creasing gradient of resistance of A. bracteata even though the parasites apparently have very low dis persion rates (Parker 1985). However, our explanation may still be valid because as pointed out by Parker, A. bracteata presents high degree of self pollination and spatially restricted gene flow (Parker 1985(Parker , 1993.…”

Section: Discussionmentioning

confidence: 60%

Local adaptation and gene-for-gene coevolution in a metapopulation model

Gandon

Capowiez²,

Dubois

et al. 1996

Proc. R. Soc. Lond. B

449

109

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In several reciprocal cross-infection experiments parasites were found to be significantly more adapted to their local host populations than to hosts from distant populations. We developed a metapopulation model, taking explicit account of both population densities and gene frequencies, to determine the influence of ecological and genetical parameters on the local adaptation of the parasites and on the spatial distribution of resistance and virulence genes. Our results point to the predominant effect of ecological parameters such as parasite growth rate and host and parasite migration rates on coevolutionary outcomes. In particular, the parasites are more likely to be adapted to their local host population than to allopatric hosts when the parasite migration rate is larger than the host migration rate. The opposite should be observed whenever hosts migrate more than parasites.

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Section: Discussionmentioning

confidence: 60%

Local adaptation and gene-for-gene coevolution in a metapopulation model

Gandon

Capowiez²,

Dubois

et al. 1996

Proc. R. Soc. Lond. B

449

109

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“…There are numerous examples of local adaptation in agricultural systems (e.g., 6), but few published examples from natural systems. Two genetically isolated, but nearby (50 m) populations of the annual, selfing legume Amphicarpaea bracteata (Papilionaceae) differed in susceptibility to the specialist Synchytrium decipiens (171), with one population completely resistant to the pathogen and the other showing almost no resistance (172). On the other hand, Davelos et al (78) did reciprocal transplants of the clonal prairie grass Spartina pectinata among patches with low and high incidence of species of Puccinia rusts.…”

Section: Local Adaptation and The Scale Of Dispersalmentioning

confidence: 99%

EVOLUTIONARYECOLOGY OFPLANTDISEASES INNATURALECOSYSTEMS

Gilbert

2002

Annu. Rev. Phytopathol.

472

247

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Plant pathogens cause mortality and reduce fecundity of individual plants, drive host population dynamics, and affect the structure and composition of natural plant communities. Pathogens are responsible for both numerical changes in host populations and evolutionary changes through selection for resistant genotypes. Linking such ecological and evolutionary dynamics has been the focus of a growing body of literature on the effects of plant diseases in natural ecosystems. A guiding principle is the importance of understanding the spatial and temporal scales at which plants and pathogens interact. This review summarizes the effects of diseases on populations of wild plants, focusing in particular on the mediation of plant competition and succession, the maintenance of plant species diversity, as well as the process of rapid evolutionary changes in host-pathogen symbioses.

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“…Several studies including plant–herbivore, plant–pathogen, and animal systems have observed local adaptation of parasites to their host (e.g. Parker, 1985, 1991; Lively, 1989; Ballabeni & Ward, 1993; Ebert, 1994; Manning et al ., 1995 ; Mopper et al ., 1995 ; Lively & Jokela, 1996). However, other studies did not find evidence for local adaptation (e.g.…”

Section: Introductionmentioning

confidence: 99%

Local adaptation of a holoparasitic plant, Cuscuta europaea: variation among populations

Koskela

Salonen

Mutikainen

2000

Journal of Evolutionary Biology

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Locally adapted parasites have higher infectivity and/or fitness on sympatric than on allopatric hosts. We tested local adaptation of a holoparasitic plant, Cuscuta europaea, to its host plant, Urtica dioica. We infected hosts from five sites with holoparasites from the same five sites and measured local adaptation in terms of infectivity and parasite performance (biomass) in a reciprocal cross‐infection experiment. The virulence of the parasite did not differ between sympatric and allopatric hosts. Overall, parasites had higher infectivity on sympatric hosts but infectivity and parasite performance varied among populations. Parasites from one of the populations showed local adaptation in terms of performance, whereas parasites from one of the populations had higher infectivity on allopatric hosts compared with sympatric hosts. This among‐population variation may be explained by random variation in parasite adaptation to host populations or by time‐lagged co‐evolutionary oscillations that lead to fluctuations in the level of local adaptation.

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Constraints on the evolution of disease resistance in an annual legume

Cited by 8 publications

References 24 publications

Local adaptation and gene-for-gene coevolution in a metapopulation model

Local adaptation and gene-for-gene coevolution in a metapopulation model

EVOLUTIONARYECOLOGY OFPLANTDISEASES INNATURALECOSYSTEMS

Local adaptation of a holoparasitic plant, Cuscuta europaea: variation among populations

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