Expression data from third instar Drosophila larvae offspring from maternal control or high-sucrose fed diets. Drosophila melanogaster

Maternal obesity and diabetes is associated with increased risk of obesity and diabetes in offspring. We generated a model of maternal caloric excess in Drosophila and noted altered body composition in offspring from females fed a high-sucrose diet. To gain insight into the mechanisms underlying this response, we profiled gene expression in mid-third instar larvae (mid-L3) offspring from either control or high-sucrose fed females. All offspring were raised on control food. We used microarrays to detail the response of Drosophila larvae to maternal high calorie diet Overall design: Virgin female w1118 flies were fed control (0.15M) or high (1M) sucrose food for 7 days, mated with male w1118 flies such that all embryos were laid on control food. Mid-L3 larvae were selected for RNA extraction and hybridization on Affymetrix microarrays. Mid-L3 were selected as L2, aged overnight until early L3, then transferred to fresh control food for 12 more hours before selection.