Seasonal Changes in Patterns of Gene Expression in Avian Song Control Brain Regions

ABSTRACT: Photoperiod and hormonal cues drive dramatic seasonal changes in structure and function of the avian song control system. Little is known, however, about the patterns of gene expression associated with seasonal changes. Here we address this issue by exposing GambelM-bM-^@M-^Ys white-crowned sparrows to season-appropriate cues and extracting RNA from the telencephalic song control nuclei HVC and RA across multiple time points that capture different stages of growth and regression. We chose HVC and RA because while both nuclei change in volume across seasons, the cellular mechanisms underlying these changes differ. We thus hypothesized that different genes would be expressed between HVC and RA. We tested this by using the extracted RNA to perform a cDNA microarray hybridization developed by

ORGANISM(S): Taeniopygia guttata

SUBMITTER: Kirstin Replogle 

PROVIDER: E-GEOD-28347 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress