0000000000602661
AUTHOR
Michel Duclos
La combinaison de cartographie de signatures de sélection, de re-séquençage de génomes et d'analyses d'expression révèle PARK2 et JAG2 comme nouveaux genes candidats régulant l'adiposité
Very few causal genes have been identified by quantitative trait loci (QTLs) mapping because of the large size ofQTLs, and most of them were identified thanks to functional links already known with the targeted phenotype.Here we propose to combine selection signature detection, SNP annotation, and expression analyses to identifycausal genes underlying QTLs. As a model, we chose experimental chicken lines divergently selected for onlyone trait, the abdominal fat weight, in which several QTLs were previously mapped. Using a new haplotypebasedstatistics exploiting the very high SNP density generated through whole genome re-sequencing, we found129 significant selective sweeps. Most of the QTLs …
Mesurer la capacité de patients atteints de la maladie d’Alzheimer à détecter les odeurs
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