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Rethinking phenotypic plasticity and its consequences for individuals, populations and species.
Linnéuniversitetet, Fakulteten för Hälso- och livsvetenskap (FHL), Institutionen för biologi och miljö (BOM). (Ctr Ecol & Evolut Microbial Model Syst EEMiS;Evolutionary ecology)ORCID-id: 0000-0001-9598-7618
2015 (Engelska)Ingår i: Heredity, ISSN 0018-067X, E-ISSN 1365-2540, Vol. 115, nr 4, s. 276-284Artikel, forskningsöversikt (Refereegranskat) Published
Abstract [en]

Much research has been devoted to identify the conditions under which selection favours flexible individuals or genotypes that are able to modify their growth, development and behaviour in response to environmental cues, to unravel the mechanisms of plasticity, and to explore its influence on patterns of diversity among individuals, populations, and species. The consequences of developmental plasticity and phenotypic flexibility for the performance and ecological success of populations and species have attracted a comparatively limited but currently growing interest. Here, I re-emphasize that an increased understanding of the roles of plasticity in these contexts requires a ‘whole organism’ (rather than ‘single trait’) approach, taking into consideration that organisms are integrated complex phenotypes. I further argue that plasticity and genetic polymorphism should be analysed and discussed within a common framework. I summarize predictions from theory on how phenotypic variation stemming from developmental plasticity and phenotypic flexibility may affect different aspects of population-level performance. I argue that it is important to distinguish between effects associated with greater inter-individual phenotypic variation resulting from plasticity, and effects mediated by variation among individuals in the capacity to express plasticity and flexibility as such. Finally, I claim that rigorous testing of predictions requires methods that allow for quantifying and comparing whole organism plasticity, as well as the ability to experimentally manipulate the level of and capacity for developmental plasticity and phenotypic flexibility independent of genetic variation.

Ort, förlag, år, upplaga, sidor
2015. Vol. 115, nr 4, s. 276-284
Nyckelord [en]
Developmental plasticity, genetic variation, phenotypic integration, phenotypic flexibility, phenotypic plasticity, polymorphism, population fitness, reaction norm
Nationell ämneskategori
Biologiska vetenskaper Ekologi
Forskningsämne
Ekologi, Evolutionsbiologi
Identifikatorer
URN: urn:nbn:se:lnu:diva-37637DOI: 10.1038/hdy.2014.92ISI: 000361473400002PubMedID: 25293873Scopus ID: 2-s2.0-84942192564OAI: oai:DiVA.org:lnu-37637DiVA, id: diva2:755041
Forskningsfinansiär
VetenskapsrådetTillgänglig från: 2014-10-13 Skapad: 2014-10-13 Senast uppdaterad: 2018-10-24Bibliografiskt granskad

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