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Extremely fast and incredibly close: cotranscriptional splicing in budding yeast.

ABSTRACT: RNA splicing, an essential part of eukaryotic pre-messenger RNA processing, can be simultaneous with transcription by RNA polymerase II. Here, we compare and review independent next-generation sequencing methods that jointly quantify transcription and splicing in budding yeast. For many yeast transcripts, splicing is fast, taking place within seconds of intron transcription, while polymerase is within a few dozens of nucleotides of the 3' splice site. Ribosomal protein transcripts are spliced particularly fast and cotranscriptionally. However, some transcripts are spliced inefficiently or mainly post-transcriptionally. Intron-mediated regulation of some genes is likely to be cotranscriptional. We suggest that intermediates of the splicing reaction, missing from current data sets, may hold key information about splicing kinetics.

SUBMITTER: Wallace EWJ

PROVIDER: S-EPMC5393171 | biostudies-literature | 2017 May

REPOSITORIES: biostudies-literature

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Extremely fast and incredibly close: cotranscriptional splicing in budding yeast.

Wallace Edward W J EWJ Beggs Jean D JD

RNA (New York, N.Y.) 20170202 5

RNA splicing, an essential part of eukaryotic pre-messenger RNA processing, can be simultaneous with transcription by RNA polymerase II. Here, we compare and review independent next-generation sequencing methods that jointly quantify transcription and splicing in budding yeast. For many yeast transcripts, splicing is fast, taking place within seconds of intron transcription, while polymerase is within a few dozens of nucleotides of the 3' splice site. Ribosomal protein transcripts are spliced pa ...[more]

PMID: 28153948

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