Search Results - "Berger, James M"
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Mechanisms for initiating cellular DNA replication
Published in Science (American Association for the Advancement of Science) (24-02-2017)“…Cellular DNA replication factories depend on ring-shaped hexameric helicases to aid DNA synthesis by processively unzipping the parental DNA helix. Replicative…”
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Crystal structure of the eukaryotic origin recognition complex
Published in Nature (London) (19-03-2015)“…Initiation of cellular DNA replication is tightly controlled to sustain genomic integrity. In eukaryotes, the heterohexameric origin recognition complex (ORC)…”
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Cell Cycle-Dependent Control and Roles of DNA Topoisomerase II
Published in Genes (30-10-2019)“…Type II topoisomerases are ubiquitous enzymes in all branches of life that can alter DNA superhelicity and unlink double-stranded DNA segments during processes…”
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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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Mechanisms and regulation of DNA replication initiation in eukaryotes
Published in Critical reviews in biochemistry and molecular biology (01-04-2017)“…Cellular DNA replication is initiated through the action of multiprotein complexes that recognize replication start sites in the chromosome (termed origins)…”
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All tangled up: how cells direct, manage and exploit topoisomerase function
Published in Nature reviews. Molecular cell biology (01-12-2011)“…Key Points Topoisomerases are classified into several families, namely, types IA, IB, IC, IIA and IIB. These families have different cellular roles and…”
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Crystal structure and stability of gyrase–fluoroquinolone cleaved complexes from Mycobacterium tuberculosis
Published in Proceedings of the National Academy of Sciences - PNAS (16-02-2016)“…Mycobacterium tuberculosis (Mtb) infects one-third of the world’s population and in 2013 accounted for 1.5 million deaths. Fluoroquinolone antibacterials,…”
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Structure of Human cGAS Reveals a Conserved Family of Second-Messenger Enzymes in Innate Immunity
Published in Cell reports (Cambridge) (30-05-2013)“…Innate immune recognition of foreign nucleic acids induces protective interferon responses. Detection of cytosolic DNA triggers downstream immune signaling…”
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Mechanisms for initiating cellular DNA replication
Published in Annual review of biochemistry (01-01-2013)“…The initiation of DNA replication represents a committing step to cell proliferation. Appropriate replication onset depends on multiprotein complexes that help…”
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Running in Reverse: The Structural Basis for Translocation Polarity in Hexameric Helicases
Published in Cell (30-10-2009)“…Hexameric helicases couple ATP hydrolysis to processive separation of nucleic acid duplexes, a process critical for gene expression, DNA replication, and…”
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DNA stretching by bacterial initiators promotes replication origin opening
Published in Nature (London) (13-10-2011)“…Many replication initiators form higher-order oligomers that process host replication origins to promote replisome formation. In addition to dedicated…”
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The structural basis for MCM2-7 helicase activation by GINS and Cdc45
Published in Nature structural & molecular biology (01-04-2011)“…In eukaryotes, DNA replication depends on loading the ring-shaped helicase, Mcm2–7 onto double-stranded DNA and subsequent activation by GINS–Cdc45. Using…”
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DNA topoisomerases: harnessing and constraining energy to govern chromosome topology
Published in Quarterly reviews of biophysics (01-02-2008)“…DNA topoisomerases are a diverse set of essential enzymes responsible for maintaining chromosomes in an appropriate topological state. Although they vary…”
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Structural basis for gate-DNA recognition and bending by type IIA topoisomerases
Published in Nature (20-12-2007)“…Type II topoisomerases disentangle DNA to facilitate chromosome segregation, and represent a major class of therapeutic targets. Although these enzymes have…”
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DNA replication initiation: mechanisms and regulation in bacteria
Published in Nature reviews. Microbiology (01-05-2007)“…In all organisms, multi-subunit replicases are responsible for the accurate duplication of genetic material during cellular division. Initiator proteins…”
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Using energy to go downhill—a genoprotective role for ATPase activity in DNA topoisomerase II
Published in Nucleic acids research (09-02-2024)“…Abstract Type II topoisomerases effect topological changes in DNA by cutting a single duplex, passing a second duplex through the break, and resealing the…”
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A new class of disordered elements controls DNA replication through initiator self-assembly
Published in eLife (27-09-2019)“…The initiation of DNA replication in metazoans occurs at thousands of chromosomal sites known as origins. At each origin, the Origin Recognition Complex (ORC),…”
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Mechanism for the Regulated Control of Bacterial Transcription Termination by a Universal Adaptor Protein
Published in Molecular cell (20-09-2018)“…NusG/Spt5 proteins are the only transcription factors utilized by all cellular organisms. In enterobacteria, NusG antagonizes the transcription termination…”
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An Atypical AAA+ ATPase Assembly Controls Efficient Transposition through DNA Remodeling and Transposase Recruitment
Published in Cell (13-08-2015)“…Transposons are ubiquitous genetic elements that drive genome rearrangements, evolution, and the spread of infectious disease and drug-resistance. Many…”
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Fluoroquinolone interactions with Mycobacterium tuberculosis gyrase: Enhancing drug activity against wild-type and resistant gyrase
Published in Proceedings of the National Academy of Sciences - PNAS (16-02-2016)“…Mycobacterium tuberculosis is a significant source of global morbidity and mortality. Moxifloxacin and other fluoroquinolones are important therapeutic agents…”
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