Article
Clock gene variation is associated with breeding phenology and maybe under directional selection in the migratory barn swallow.
PloS one - 1 Jan 2012
Caprioli Manuela, Ambrosini Roberto, Boncoraglio Giuseppe, Gatti Emanuele, Romano Andrea, Romano Maria, Rubolini Diego, Gianfranceschi Luca, Saino Nicola
Abstract excerpt
BACKGROUND: In diverse taxa, photoperiodic responses that cause seasonal physiological and behavioural shifts are controlled by genes, including the vertebrate Clock orthologues, that encode for circadian oscillator mechanisms. While the genetic network behind circadian rhythms is well described, relatively few reports exist of the phenological consequences of and selection on Clock genes in the wild. Here, we...
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