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  1. ...). The resulting sequences were aligned and manually checked to retrieve the intact exon L meeting the following criteria: (1) aligning with the previously identified L1 ORF1-derived exons, (2) including the splice site in frame, and (3) retaining more than 200 codons after trimming of putative introns. Taxonomic...
  2. ...that they are used in their genomic context (Fig. 3D, left). In addition, a subset of the “intronicexons displays primary sequence conservation (Fig. 3D, right). Figure 3E shows an unannotated region from the ITSN1 gene which is both conserved and trapped at high levels (10,917 read counts).Known alternative...
  3. ...) report PSI values and exon coordinates of individual exons in a multiple-exon skipping event, (2) amend the GC-content and 3′-end biases from RNA-seq by using the junction reads from both ends, and (3) detect the splicing changes from alternative exons that share the same upstream intron. Thus, the new...
  4. ...additional splicing-regulatory elements embedded in the exon and flanking intronic sequences (Black 2003; Chen and Manley 2009). These cis-regulatory signals, which individually contain limited information owing to their size and degeneracy, must be recognized and integrated by hundreds of RNA...
  5. .... IPAFinder could recover ∼80% and ∼90% IPA sites at a sequencing coverage of 40× and 60×, respectively (Supplemental Fig. S3A). Furthermore, IPAFinder could exclude the interference of alternative splicing events such as alternative 5′ splice site and intron retention (Supplemental Fig. S3B). Next, we...
  6. ...and An 2012). To examine the methylation status of each insertion launched from the ORFeus transgene, we performed bisulfite-sequencing analysis of the retrotransposed GFP sequence in heart and liver. The primer pair flanked the first GFP exon and specifically amplified the intronless insertion (Fig. 1A...
  7. ...selection process relies on RNA binding proteins or splicing factors that enhance or repress exon inclusion following two main principles. First, splicing factors bind to short intronic or exonic motifs (or splicing regulatory sequences) that are often low-complexity sequences composed of the repetition...
  8. ...information of exons is interrupted by intervening sequences, introns. Differential inclusion of exons and introns or their parts inmature mRNAs, so-called alternative splicing (AS), results inmultiple transcript and protein variants with different fates and functions from a single gene. About 95% of human...
  9. ...sequence ag|GU[g/a]agu (Fig. 6A) that is recognized by the spliceosome, suggesting that these proteins may act by binding to a subset of splice donor sites.View larger version: In this window In a new window Figure 6. RBP motif matches are conserved and enriched in distinct sequence features and classes...
  10. ...sequences are highly conserved. Mean vertebrate phastCons scores and 95% confidence interval in the intronic flanks of symmetric (multiples of three nucleotides) alternatively spliced (AS) micro-exons, constitutively spliced (CS) micro-exons, all AS exons, and all CS exons. (B) A large proportion...
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