Predation drives local adaptation of phenotypic plasticity

Reger, JuliaUniv Sheffield, Dept Anim & Plant Sci, Sheffield S10 2TN, S Yorkshire, England. (författare)

Phenotypic plasticity is the ability of an individual genotype to alter aspects of its phenotype depending on the current environment. It is central to the persistence, resistance and resilience of populations facing variation in physical or biological factors. Genetic variation in plasticity is pervasive, which suggests its local adaptation is plausible. Existing studies on the adaptation of plasticity typically focus on single traits and a few populations, while theory about interactions among genes (for example, pleiotropy) suggests that a multi-trait, landscape scale (for example, multiple populations) perspective is required. We present data from a landscape scale, replicated, multi-trait experiment using a classic predator-prey system centred on the water flea Daphnia pulex. We find predator regime-driven differences in genetic variation of multivariate plasticity. These differences are associated with strong divergent selection linked to a predation regime. Our findings are evidence for local adaptation of plasticity, suggesting that responses of populations to environmental variation depend on the conditions in which they evolved in the past.

Lind, Martin I.,DrUppsala universitet,Zooekologi,Uppsala University, Uppsala, Sweden(Swepub:hh)martli (författare)
Robinson, Matthew R.Univ Lausanne, Dept Computat Biol, CH-1015 Lausanne, Switzerland.;Swiss Inst Bioinformat, CH-1015 Lausanne, Switzerland. (författare)
Beckerman, Andrew P.Univ Sheffield, Dept Anim & Plant Sci, Sheffield S10 2TN, S Yorkshire, England. (författare)
Univ Sheffield, Dept Anim & Plant Sci, Sheffield S10 2TN, S Yorkshire, England.Zooekologi (creator_code:org_t)

Ingår i:Nature Ecology & Evolution: Springer Science and Business Media LLC2:1, s. 100-1072397-334X

Av författaren/redakt...: Reger, Julia; Lind, Martin I., ...; Robinson, Matthe ...; Beckerman, Andre ...

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