Ago2-CLASH reveals a wide repertoire of small RNA mediated regulation [CLASH-seq]

Here we present the CLASH analysis of AGO2 in HEK293 cells to address the small RNA repertoire and uncover their physiological targets. We developed an optimized bioinformatics approach of chimeric read identification to detect chimeras of high confidence. We report thousands of Ago2 target sites driven by microRNAs, but also a substantial number of Ago2 'drivers' derived from fragments of other small RNAs such as tRNAs, snoRNAs, rRNAs and others. Target validation of several miRNAs delivered by 3' Quantseq RNA-Seq. Overall design: CLASH analysis of AGO2 in HEK293 cells in 3 replicates