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Genome wide DRIP-seq in control knockdown HeLa cells


ABSTRACT: We mapped the location of RNA:DNA hybrids in HeLa cells that had been knocked down with a control siRNA. We found that the levels of RNA:DNA hybrids around origins of replication (defined from data from Pretyk et al, Nat Commun 2016) strongly correlated to the directionality of transcription around these origins (defined from GRO-seq data from GEO dataset GSM1518913.) Specifically, in regions where the replication fork travels antiparallel (Head-On) to the direction of transcription we find elevated RNA:DNA hybrids, and in regions where the replication fork travels parallel to the direction of replication (Co-directional) we find reduced RNA:DNA hybrids. These results imply that the relative directions of replication and transcription have an effect on the levels of RNA:DNA hybrids across the genome.

ORGANISM(S): Homo sapiens

PROVIDER: GSE93368 | GEO | 2017/07/27

SECONDARY ACCESSION(S): PRJNA360822

REPOSITORIES: GEO

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