Climate adaptation and speciation : particular focus on reproductive barriers in Ficedula flycatchers

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Qvarnstrom , A , Alund , M , McFarlane , S E & Sirkiä , P 2016 , ' Climate adaptation and speciation : particular focus on reproductive barriers in Ficedula flycatchers ' Evolutionary Applications , vol. 9 , no. 1 , pp. 119-134 . DOI: 10.1111/eva.12276

Title: Climate adaptation and speciation : particular focus on reproductive barriers in Ficedula flycatchers
Author: Qvarnstrom, Anna; Alund, Murielle; McFarlane, S. Eryn; Sirkiä, Päivi
Other contributor: University of Helsinki, Zoology

Date: 2016-01
Language: eng
Number of pages: 16
Belongs to series: Evolutionary Applications
ISSN: 1752-4571
DOI: https://doi.org/10.1111/eva.12276
URI: http://hdl.handle.net/10138/182582
Abstract: Climate adaptation is surprisingly rarely reported as a cause for the build-up of reproductive isolation between diverging populations. In this review, we summarize evidence for effects of climate adaptation on pre- and postzygotic isolation between emerging species with a particular focus on pied (Ficedula hypoleuca) and collared (Ficedula albicollis) flycatchers as a model for research on speciation. Effects of climate adaptation on prezygotic isolation or extrinsic selection against hybrids have been documented in several taxa, but the combined action of climate adaptation and sexual selection is particularly well explored in Ficedula flycatchers. There is a general lack of evidence for divergent climate adaptation causing intrinsic postzygotic isolation. However, we argue that the profound effects of divergence in climate adaptation on the whole biochemical machinery of organisms and hence many underlying genes should increase the likelihood of genetic incompatibilities arising as side effects. Fast temperature-dependent co-evolution between mitochondrial and nuclear genomes may be particularly likely to lead to hybrid sterility. Thus, how climate adaptation relates to reproductive isolation is best explored in relation to fast-evolving barriers to gene flow, while more research on later stages of divergence is needed to achieve a complete understanding of climate-driven speciation.
Subject: ecological speciation
genetic incompatibilities
natural selection
personality
sexual selection
speciation genomics
thermal adaptation
BASAL METABOLIC-RATE
SECONDARY SEXUAL CHARACTER
MALE COLLARED FLYCATCHERS
MELANIN-BASED COLORATION
ECOLOGICAL SPECIATION
HYBRID STERILITY
SYMPATRIC FLYCATCHERS
SPECIES DIVERGENCE
OFFSPRING QUALITY
GENETIC-VARIATION
1181 Ecology, evolutionary biology
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