Search Results - "Lee, Amy S.Y."
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Ancient Origin of cGAS-STING Reveals Mechanism of Universal 2′,3′ cGAMP Signaling
Published in Molecular cell (17-09-2015)“…In humans, the cGAS-STING immunity pathway signals in response to cytosolic DNA via 2′,3′ cGAMP, a cyclic dinucleotide (CDN) second messenger containing mixed…”
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Structure-Guided Reprogramming of Human cGAS Dinucleotide Linkage Specificity
Published in Cell (28-08-2014)“…Cyclic dinucleotides (CDNs) play central roles in bacterial pathogenesis and innate immunity. The mammalian enzyme cGAS synthesizes a unique cyclic…”
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3
Integrase-mediated spacer acquisition during CRISPR–Cas adaptive immunity
Published in Nature (London) (12-03-2015)“…Bacteria and archaea insert spacer sequences acquired from foreign DNAs into CRISPR loci to generate immunological memory. The Escherichia coli Cas1–Cas2…”
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eIF3d is an mRNA cap-binding protein that is required for specialized translation initiation
Published in Nature (London) (04-08-2016)“…The initiation protein eIF3d serves as an alternative cap-recognition factor for a subclass of mRNAs, such as c-Jun; the high-resolution structure of the eIF3d…”
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eIF3 targets cell-proliferation messenger RNAs for translational activation or repression
Published in Nature (London) (04-06-2015)“…Eukaryotic initiation factor 3 (eIF3)—the deregulation of which has been linked with diverse cancers—is shown to bind to and direct the specialized translation…”
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LIN28B alters ribosomal dynamics to promote metastasis in MYCN-driven malignancy
Published in The Journal of clinical investigation (15-11-2021)“…High expression of LIN28B is associated with aggressive malignancy and poor survival. Here, probing MYCN-amplified neuroblastoma as a model system, we showed…”
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eIF3d controls the persistent integrated stress response
Published in Molecular cell (21-09-2023)“…Cells respond to intrinsic and extrinsic stresses by reducing global protein synthesis and activating gene programs necessary for survival. Here, we show that…”
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Bacterial cGAS-like enzymes synthesize diverse nucleotide signals
Published in Nature (London) (01-03-2019)“…Cyclic dinucleotides (CDNs) have central roles in bacterial homeostasis and virulence by acting as nucleotide second messengers. Bacterial CDNs also elicit…”
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cGAS-like receptors sense RNA and control 3′2′-cGAMP signalling in Drosophila
Published in Nature (London) (02-09-2021)“…Cyclic GMP–AMP synthase (cGAS) is a cytosolic DNA sensor that produces the second messenger cG[2′–5′]pA[3′–5′]p (2′3′-cGAMP) and controls activation of innate…”
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10
Eukaryotic Initiation Factor 5A2 Regulates Expression of Antiviral Genes
Published in Journal of molecular biology (30-05-2022)“…[Display omitted] •In the eIF5A family, eIF5A1 regulates mRNA translation, while the molecular function of eIF5A2 is unknown.•We find that eIF5A2 does not…”
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CBASS Immunity Uses CARF-Related Effectors to Sense 3′–5′- and 2′–5′-Linked Cyclic Oligonucleotide Signals and Protect Bacteria from Phage Infection
Published in Cell (09-07-2020)“…cGAS/DncV-like nucleotidyltransferase (CD-NTase) enzymes are immune sensors that synthesize nucleotide second messengers and initiate antiviral responses in…”
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Modular Architecture of the STING C-Terminal Tail Allows Interferon and NF-κB Signaling Adaptation
Published in Cell reports (Cambridge) (23-04-2019)“…Stimulator of interferon genes (STING) is a key regulator of type I interferon and pro-inflammatory responses during infection, cellular stress, and cancer…”
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Moonlighting translation factors: multifunctionality drives diverse gene regulation
Published in Trends in cell biology (01-09-2022)“…Translation factors have traditionally been viewed as proteins that drive ribosome function and ensure accurate mRNA translation. Recent discoveries have…”
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A phosphorylation-regulated eIF3d translation switch mediates cellular adaptation to metabolic stress
Published in Science (American Association for the Advancement of Science) (13-11-2020)“…Shutoff of global protein synthesis is a conserved response to cellular stresses. This general phenomenon is accompanied by the induction of distinct gene…”
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Peroxisomes Are Signaling Platforms for Antiviral Innate Immunity
Published in Cell (14-05-2010)“…Peroxisomes have long been established to play a central role in regulating various metabolic activities in mammalian cells. These organelles act in concert…”
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A large-scale type I CBASS antiphage screen identifies the phage prohead protease as a key determinant of immune activation and evasion
Published in Cell host & microbe (10-07-2024)“…Cyclic oligonucleotide-based signaling system (CBASS) is an antiviral system that protects bacteria from phage infection and is evolutionarily related to human…”
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A complex suite of loci and elements in eukaryotic type II topoisomerases determine selective sensitivity to distinct poisoning agents
Published in Nucleic acids research (05-09-2019)“…Abstract Type II topoisomerases catalyze essential DNA transactions and are proven drug targets. Drug discrimination by prokaryotic and eukaryotic…”
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eIF3 targets cell proliferation mRNAs for translational activation or repression
Published in Nature (London) (06-04-2015)“…Regulation of protein synthesis is fundamental for all aspects of eukaryotic biology by controlling development, homeostasis, and stress responses 1 , 2 . The…”
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A molecular filter for the cnidarian stinging response
Published in eLife (26-05-2020)“…All animals detect and integrate diverse environmental signals to mediate behavior. Cnidarians, including jellyfish and sea anemones, both detect and capture…”
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eIF3d is an mRNA cap-binding protein required for specialized translation initiation
Published in Nature (London) (04-08-2016)“…Eukaryotic mRNAs contain a 5' cap structure critical for recruitment of the translation machinery and initiation of protein synthesis. mRNA recognition is…”
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