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• W2040960655 abstract "CR Climate Research Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsSpecials CR 43:49-56 (2010) - DOI: https://doi.org/10.3354/cr00886 Temperature–maternal age interactions on wing traits in outbred Drosophila mercatorum Anders Kjærsgaard1,*, Søren Faurby1, Kristian Krag1, Volker Loeschcke1, Cino Pertoldi1,2 1Ecology and Genetics, Department of Biological Sciences, Ny Munkegade, Building 1540, Aarhus University, DK-8000 Aarhus C, Denmark 2Mammal Research Institute, Polish Academy of Sciences, Waszkiewicza 1c, 17-230 Bialowieża, Poland *Email: anders.kjaersgaard@biology.au.dk ABSTRACT: Drosophilid wings have often been used to investigate maternal effects of age and phenotypic plasticity in response to developmental temperature. However, temperature–maternal age interactions have been given little attention despite their potentially important role in driving evolution. Climatic change and anthropogenic intervention can possibly influence the age structure of a population, leading to a larger proportion of individuals reproducing at old age due to low recruitment. Here we investigated the morphometric traits wing length and wing width as well as the composite trait wing aspect (wing width/wing length) of the offspring of young (3 to 6 d) and old (15 to 18 d) mothers at 3 rearing temperatures (20, 25 and 28°C). We used 2 different strains of highly heterozygous, yet genetically identical, individuals. We found significant effects of maternal age and rearing temperature on wing size and wing shape characterised by PC1 and PC2, respectively; however, the interaction was highly significant only in Strain 2, but close to significant in Strain 1. The analysis of phenotypic plasticity of wing length in response to temperature did not reveal any difference between offspring of young and old mothers. For wing width, the response was significantly different from 20 to 25°C in Strain 1 but not in Strain 2. The composite trait, wing aspect, was highly significant from 20 to 25°C in Strain 1 and significant in Strain 2 from 25 to 28°C. The main implication of the observed results is that climatic factors, such as temperature, may interact with maternal effects of age to potentially exacerbate phenotypic plasticity. KEY WORDS: Aging · Morphometrics · Wing size · Wing shape Full text in pdf format PreviousNextCite this article as: Kjærsgaard A, Faurby S, Krag K, Loeschcke V, Pertoldi C (2010) Temperature–maternal age interactions on wing traits in outbred Drosophila mercatorum. Clim Res 43:49-56. https://doi.org/10.3354/cr00886 Export citation RSS - Facebook - Tweet - linkedIn Cited by Published in CR Vol. 43, No. 1-2. Online publication date: August 05, 2010 Print ISSN: 0936-577X; Online ISSN: 1616-1572 Copyright © 2010 Inter-Research." @default.
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• W2040960655 date "2010-08-05" @default.
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• W2040960655 title "Temperature–maternal age interactions on wing traits in outbred Drosophila mercatorum" @default.
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• W2040960655 doi "https://doi.org/10.3354/cr00886" @default.
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