title: Investigating Factors that Generate and Maintain Variation in Migratory Orientation: A Primer for Recent and Future Work.
abstract: The amazing accuracy of migratory orientation performance across the animal kingdom is facilitated by the use of magnetic and celestial compass systems that provide individuals with both directional and positional information. Quantitative genetics analyses in several animal systems suggests that migratory orientation has a strong genetic component. Nevertheless, the exact identity of genes controlling orientation remains largely unknown, making it difficult to obtain an accurate understanding of this fascinating behavior on the molecular level. Here, we provide an overview of molecular genetic techniques employed thus far, highlight the pros and cons of various approaches, generalize results from species-specific studies whenever possible, and evaluate how far the field has come since early quantitative genetics studies. We emphasize the importance of examining different levels of molecular control, and outline how future studies can take advantage of high-resolution tracking and sequencing techniques to characterize the genomic architecture of migratory orientation.
authors.affiliation: Behavioural Genomics Department, Max Planck Institute for Evolutionary Biology Plön, Germany.
authors.forename: Kira E
authors.initials: KE
authors.lastname: Delmore
authors.affiliation: Behavioural Genomics Department, Max Planck Institute for Evolutionary Biology Plön, Germany.
authors.forename: Miriam
authors.initials: M
authors.lastname: Liedvogel
keywords: candidate gene; epigenetics; genomics; next-generation sequencing; seasonal migration; transcriptomics
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