Search Results - "Donovan, Jesse"
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Rapid RNase L-driven arrest of protein synthesis in the dsRNA response without degradation of translation machinery
Published in RNA (Cambridge) (01-11-2017)“…Mammalian cells respond to double-stranded RNA (dsRNA) by activating a translation-inhibiting endoribonuclease, RNase L. Consensus in the field indicates that…”
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Structural basis for cytosolic double-stranded RNA surveillance by human oligoadenylate synthetase 1
Published in Proceedings of the National Academy of Sciences - PNAS (29-01-2013)“…The human sensor of double-stranded RNA (dsRNA) oligoadenylate synthetase 1 (hOAS1) polymerizes ATP into 2′,5′-linked iso-RNA (2-5A) involved in innate…”
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3
Structural mechanism of sensing long dsRNA via a noncatalytic domain in human oligoadenylate synthetase 3
Published in Proceedings of the National Academy of Sciences - PNAS (31-03-2015)“…The mammalian innate immune system uses several sensors of double-stranded RNA (dsRNA) to develop the interferon response. Among these sensors are…”
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Structure of Human RNase L Reveals the Basis for Regulated RNA Decay in the IFN Response
Published in Science (American Association for the Advancement of Science) (14-03-2014)“…One of the hallmark mechanisms activated by type I interferons (IFNs) in human tissues involves cleavage of intracellular RNA by the kinase homology…”
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Concerted 2-5A-Mediated mRNA Decay and Transcription Reprogram Protein Synthesis in the dsRNA Response
Published in Molecular cell (19-09-2019)“…Viral and endogenous double-stranded RNA (dsRNA) is a potent trigger for programmed RNA degradation by the 2-5A/RNase L complex in cells of all mammals. This…”
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Human RNase L tunes gene expression by selectively destabilizing the microRNA-regulated transcriptome
Published in Proceedings of the National Academy of Sciences - PNAS (29-12-2015)“…Double-stranded RNA (dsRNA) activates the innate immune system of mammalian cells and triggers intracellular RNA decay by the pseudokinase and endoribonuclease…”
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Ribonuclease L mediates the cell-lethal phenotype of double-stranded RNA editing enzyme ADAR1 deficiency in a human cell line
Published in eLife (31-03-2017)“…ADAR1 isoforms are adenosine deaminases that edit and destabilize double-stranded RNA reducing its immunostimulatory activities. Mutation of leads to a severe…”
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Selenocysteine insertion sequence binding protein 2L is implicated as a novel post-transcriptional regulator of selenoprotein expression
Published in PloS one (17-04-2012)“…The amino acid selenocysteine (Sec) is encoded by UGA codons. Recoding of UGA from stop to Sec requires a Sec insertion sequence (SECIS) element in the 3' UTR…”
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Innate Immune Messenger 2-5A Tethers Human RNase L into Active High-Order Complexes
Published in Cell reports (Cambridge) (25-10-2012)“…2′,5′-linked oligoadenylates (2-5As) serve as conserved messengers of pathogen presence in the mammalian innate immune system. 2-5As induce self-association…”
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Evolutionary history of selenocysteine incorporation from the perspective of SECIS binding proteins
Published in BMC evolutionary biology (10-09-2009)“…The co-translational incorporation of selenocysteine into nascent polypeptides by recoding the UGA stop codon occurs in all domains of life. In eukaryotes,…”
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A mutation in the viral sensor 2'-5'-oligoadenylate synthetase 2 causes failure of lactation
Published in PLoS genetics (08-11-2017)“…We identified a non-synonymous mutation in Oas2 (I405N), a sensor of viral double-stranded RNA, from an ENU-mutagenesis screen designed to discover new genes…”
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A Novel Protein Domain Induces High Affinity Selenocysteine Insertion Sequence Binding and Elongation Factor Recruitment
Published in The Journal of biological chemistry (12-12-2008)“…Selenocysteine (Sec) is incorporated at UGA codons in mRNAs possessing a Sec insertion sequence (SECIS) element in their 3′-untranslated region. At least three…”
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Threading the needle: getting selenocysteine into proteins
Published in Antioxidants & redox signaling (01-04-2010)“…The co-translational incorporation of selenocysteine (Sec) requires that UGA be recognized as a sense rather than a nonsense codon. This is accomplished by the…”
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Real-time 2-5A kinetics suggest that interferons β and λ evade global arrest of translation by RNase L
Published in Proceedings of the National Academy of Sciences - PNAS (05-02-2019)“…Cells of all mammals recognize double-stranded RNA (dsRNA) as a foreign material. In response, they release interferons (IFNs) and activate a ubiquitously…”
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The Efficiency of Selenocysteine Incorporation Is Regulated by Translation Initiation Factors
Published in Journal of molecular biology (23-07-2010)“…Selenocysteine (Sec) incorporation is an essential process required for the production of at least 25 human selenoproteins. This unique amino acid is…”
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Dissescting the role of SBP2 in selenocysteine incorporation
Published in The FASEB journal (01-03-2008)“…Abstract only The SECIS binding protein, SBP2, is required for the co‐translational incorporation of selenocysteine (Sec) at specific UGA codons. The…”
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A birth‐to‐death view of mRNA from the RNA recognition motif perspective
Published in Biochemistry and molecular biology education (01-01-2008)“…RNA binding proteins are a large and varied group of factors that are the driving force behind post‐transcriptional gene regulation. By analogy with…”
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