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Τρίτη 25 Ιουνίου 2019

Telomeric small RNAs in the genus Caenorhabditis [Bioinformatics]
Telomeric DNA is composed of simple tandem repeat sequences and has a G-rich strand that runs 5' to 3' towards the chromosome terminus. Small RNAs with homology to telomeres have been observed in several organisms and could originate from telomeres or from interstitial telomere sequences (ITSs), which are composites of degenerate and perfect telomere repeat sequences found on chromosome arms. We identified C. elegans small RNAs composed of the Caenorhabditis telomere sequence (TTAGGC)n with up to...
RNA In Advance
3h

PKR activation by non-canonical ligands: a 5'-triphosphate requirement versus antisense contamination. [Article]
Protein Kinase RNA-activated (PKR) is an interferon-inducible kinase that is potently activated by long double-stranded RNA (dsRNA). In a previous study we found that snoRNAs exhibit increased association with PKR in response to metabolic stress. While it was unclear if snoRNAs also activated PKR in cells, activation in vitro was observed. snoRNAs do not exhibit the double-stranded character typically required for activation of PKR, but some studies suggest such RNAs can activate PKR if triphosphorylated...
RNA In Advance
3h

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