Searching journal content for articles similar to Poorey et al. 20 (12): 1679.

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  1. ...is rate-limiting during RNAPIII transcription. Down-regulation of RNAPIII transcription under stress conditions was found to be uneven; a subset of tRNA genes showed low response to nutrient shift or loss of the major transcription regulator Maf1, suggesting potential “housekeeping” roles. Many tRNA genes...
  2. ...implications for phylogenetic footprinting algorithms as well as promoter prediction tools that rely on cross-species comparison. Results Identification of TSS turnover events In order to study TSS evolution, we analyzed alignments of human and mouse mRNAs and CAGE tags to their respective s. Homologous mRNAs...
  3. ...cells, the TATA-binding protein (TBP) typically displays rapid turnover at RNA polymerase (Pol) II-transcribed promoters, slow turnover at Pol III promoters, and very slow turnover at the Pol I promoter. Turnover rates vary widely among Pol II promoters in a manner that does not correlate with the level...
  4. ...in transcript leaders (5′ UTRs), are potent cis-acting regulators of translation and mRNA turnover. Recent -wide ribosome profiling studies suggest that thousands of uORFs initiate with non-AUG start codons. Although intriguing, these non-AUG uORF predictions have been made without statistical control...
  5. ...length and sequence of 5′ UTR are generated. Different lengths of 5′ UTR may have different mRNA folding structures, which would change their thermostability. Modulation of mRNA stability is a critical step in the regulation of gene expression. In eukaryotic cells, the decay rates of individual mRNAs...
  6. ...characterized SL1 motif involved in trans-splicing. The presence of T-blocks thus correlates with low nucleosome occupancy and the precision of a trans-splicing motif, suggesting its role at both the DNA and RNA levels. Collectively, our results suggest that core promoters may tune gene expression levels...
  7. ...to implement gene regulatory programs and ensure the expression of a subset of genes in agreement with the state and environmental cues of the cell. RNA polymerase II (Pol II) is an integral part of this assembly as it catalyzes the DNA-dependent synthesis of messenger RNA (mRNA). Regulation of Pol II occurs...
  8. ...of the information encoding regulation of mRNA levels in response to changes in growth rate is encoded in the ORF and not in the promoter. Thus, the ORF sequence is a major regulator of gene expression, and a nonlinear interaction between promoters and ORFs determines mRNA levels.Precise control of gene expression...
  9. ..., which includes ChIP-seq TF annotation (Dréos et al. 2018).Secondary sources that suggest regulators of your GOICorrelating expression of your GOI at the RNA level with known TFs or other target genes, for which regulatory pathways have previously been elucidated, is an important way to generate testable...
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  10. ...-coding region nucleosomes being quite stable. We find evidence for highly sensitive nucleosomes located within “nucleosome-free regions,” suggesting that these regions are not always completely naked but instead are likely associated with easily digested nucleosomes. Finally, since RNA polymerase...
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