In a paper published online in advance in Genome Research this week, investigators at The Wistar Institute report their generation of a "genome-wide inventory of non-coding and protein-coding transcripts, their promoters, and histone modification states for developing and adult cerebella using integrative, massive[ly] parallel sequencing and [a] bioinformatics approach," with which they elucidated "alternative promoters and transcriptional terminations as major sources of tran