Abstract
Lariat RNAs are well-known by-products of pre-mRNA splicing in eukaryotes, which are produced by the excised introns when the 5' splice site (5' ss) joins with the branchpoint (BP) during splicing. In general, most of lariat RNAs are usually linearized by RNA debranching enzyme 1 (DBR1), followed by degradation for intron turnover. However, with the high-throughput RNA sequencing technology and bioinformatics methods, increasing evidences have shown that many lariat RNAs can stably accumulate under physiological conditions in both animals and plants. Here, we describe a large-scale analysis to systematically identify the lariat RNAs (i.e., intronic circular RNAs) in Arabidopsis by utilizing the RNA-sequencing data.
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