How bidirectional becomes unidirectional

作者:Richard Patricia*; Manley James L
来源:Nature Structural & Molecular Biology, 2013, 20(9): 1022-1024.
DOI:10.1038/nsmb.2657

摘要

High-throughput RNA sequencing has unveiled the existence of a large number of noncoding antisense RNAs derived from bidirectional promoters; unlike sense transcripts, these RNAs are often unstable. Two recent reports investigate why downstream transcription is productive, whereas upstream transcripts are prone to degradation, revealing that an asymmetric distribution of polyadenylation signals and U1 snRNP-binding sites surrounding transcription start sites control the outcome of bidirectional transcription.

  • 出版日期2013-9