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Mini-INTACT reveals social isolation-induced epigenetic changes in Drosophila dopaminergic neurons

ABSTRACT: We introduce a more sensitive method for purifying specific cell-types from small numbers of fly heads for epigenomic analysis: a method we call ‘mini-INTACT’. We modified the INTACT method in Drosophila [Henry G. L. et al., Nucleic Acids Research, 2012, 1–14] to enable purification of genetically tagged rare cell types from Drosophila brain requiring ~50-100 fold less material. We used male fruit flies as a model to examine the effects of social-isolation vs. social-enrichment on the epigenome and transcriptome of dopaminergic neurons defined by expression of the TH-GAL4 driver. Using ChIP-seq on mini-INTACT purified nuclei, RNA-seq and bioinformatic analysis, we identify regulation of the transcriptome and behavior by Activity Related Genes who’s expression is induced by social enrichment.

ORGANISM(S): Drosophila melanogaster

PROVIDER: GSE126186 | GEO | 2019/02/07

REPOSITORIES: GEO

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