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Mating system varia...
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Immonen, ElinaUppsala universitet,Zooekologi
(author)
Mating system variation drives rapid evolution of the female transcriptome in Drosophila pseudoobscura
- Article/chapterEnglish2014
Publisher, publication year, extent ...
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2014-05-06
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Wiley,2014
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electronicrdacarrier
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LIBRIS-ID:oai:DiVA.org:uu-228711
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-228711URI
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https://doi.org/10.1002/ece3.1098DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Interactions between the sexes are believed to be a potent source of selection on sex-specific evolution. The way in which sexual interactions influence male investment is much studied, but effects on females are more poorly understood. To address this deficiency, we examined gene expression in virgin female Drosophila pseudoobscura following 100 generations of mating system manipulations in which we either elevated polyandry or enforced monandry. Gene expression evolution following mating system manipulation resulted in 14% of the transcriptome of virgin females being altered. Polyandrous females elevated expression of a greater number of genes normally enriched in ovaries and associated with mitosis and meiosis, which might reflect female investment into reproductive functions. Monandrous females showed a greater number of genes normally enriched for expression in somatic tissues, including the head and gut and associated with visual perception and metabolism, respectively. By comparing our data with a previous study of sex differences in gene expression in this species, we found that the majority of the genes that are differentially expressed between females of the selection treatments show female-biased expression in the wild-type population. A striking exception is genes associated with male-specific reproductive tissues (in D.melanogaster), which are upregulated in polyandrous females. Our results provide experimental evidence for a role of sex-specific selection arising from differing sexual interactions with males in promoting rapid evolution of the female transcriptome.
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Snook, Rhonda R.
(author)
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Ritchie, Michael G.
(author)
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Uppsala universitetZooekologi
(creator_code:org_t)
Related titles
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In:Ecology and Evolution: Wiley4:11, s. 2186-22012045-7758
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