Instrument: NextSeq 550
Strategy: ChIP-Seq
Source: GENOMIC
Selection: ChIP
Layout: SINGLE
Construction protocol: Mice were sacrificed using CO2 followed by cervical dislocation. The main olfactory epithelium (MOE) was dissected and transferred to ice-cold PBS. The MOE was cut in to small pieces with a razor blade, and then dissociated with a papain dissociation system (Worthington Biochemical). For RNA-seq, dissociated cells were washed once with sort media (PBS + 2% Fetal Bovine Serum) and then resuspended in sort media supplemented with 100 U/mL DNase I (Worthington Biochemical), 4mM MgCl2, and 500ng/mL DAPI (Invitrogen). For Crosslinked-ChIP samples, cells were fixed prior to sorting. For fixation, dissociated cells were resuspended in PBS + 1% methanol-free formaldehyde (Pierce). Cells were fixed at room temperature for 5 minutes, and then fixation was quenched by adding 1/10th volume of 1.25M glycine. Fixed cells were pelleted (500 rcf, 5 minutes, room temperature), washed once with PBS + 2% FBS, and then resuspended in sort media. All cells were passed through a 40uM cell strainer prior to sorting.