SMRT-Cappable-seq reveals the complex operome of bacteria

Author(s): Yan, B. and Boitano, M. and Clark, T. and Ettwiller, L.

SMRT-Cappable-seq combines the isolation of full-length prokaryotic primary transcripts with long read sequencing technology. It is the first experimental methodology to sequence entire prokaryotic transcripts. It identifies the transcription start site and termination site, thereby directly defines the operon structures genome-wide in prokaryotes. Applied to E.coli, SMRT-Cappable-seq identifies a total of ~2300 operons, among which ~900 are novel. Importantly, our result reveals a pervasive read-through of previous experimentally validated transcription termination sites. Termination read-through represents a powerful strategy to control gene expression. Taken together this data provides a first glance at the complexity of the ‘operome’ in bacteria and presents an invaluable resource for understanding gene regulation and function in bacteria.

Organization: New England Biolabs, PacBio
Year: 2018

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