Search Results - "Strick, Terence R"
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Direct observation of helicase–topoisomerase coupling within reverse gyrase
Published in Proceedings of the National Academy of Sciences - PNAS (19-05-2020)“…Reverse gyrases (RGs) are the only topoisomerases capable of generating positive supercoils in DNA. Members of the type IA family, they do so by generating a…”
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Dissection of DNA double-strand-break repair using novel single-molecule forceps
Published in Nature structural & molecular biology (01-06-2018)“…Repairing DNA double-strand breaks (DSBs) by nonhomologous end joining (NHEJ) requires multiple proteins to recognize and bind DNA ends, process them for…”
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Abortive Initiation and Productive Initiation by RNA Polymerase Involve DNA Scrunching
Published in Science (American Association for the Advancement of Science) (17-11-2006)“…Using single-molecule DNA nanomanipulation, we show that abortive initiation involves DNA "scrunching"--in which RNA polymerase (RNAP) remains stationary and…”
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On the stability of stalled RNA polymerase and its removal by RapA
Published in Nucleic acids research (22-07-2022)“…Abstract Stalling of the transcription elongation complex formed by DNA, RNA polymerase (RNAP) and RNA presents a serious obstacle to concurrent processes due…”
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A dynamic DNA-repair complex observed by correlative single-molecule nanomanipulation and fluorescence
Published in Nature structural & molecular biology (01-06-2015)“…Single-molecule imaging reveals how stalled Escherichia coli RNA polymerase is displaced by the superfamily 2 DNA translocase (SF2) repair factor Mfd to permit…”
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Single-molecule reconstruction of eukaryotic factor-dependent transcription termination
Published in Nature communications (15-06-2024)“…Factor-dependent termination uses molecular motors to remodel transcription machineries, but the associated mechanisms, especially in eukaryotes, are poorly…”
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Mechanism of efficient double-strand break repair by a long non-coding RNA
Published in Nucleic acids research (04-11-2020)“…Abstract Mechanistic studies in DNA repair have focused on roles of multi-protein DNA complexes, so how long non-coding RNAs (lncRNAs) regulate DNA repair is…”
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The unstructured linker arms of MutL enable GATC site incision beyond roadblocks during initiation of DNA mismatch repair
Published in Nucleic acids research (16-12-2019)“…DNA mismatch repair (MMR) maintains genome stability through repair of DNA replication errors. In Escherichia coli, initiation of MMR involves recognition of…”
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The mechanism of variability in transcription start site selection
Published in eLife (23-11-2017)“…During transcription initiation, RNA polymerase (RNAP) binds to promoter DNA, unwinds promoter DNA to form an RNAP-promoter open complex (RPo) containing a…”
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Real-Time Detection of Single-Molecule DNA Compaction by Condensin I
Published in Current biology (25-05-2004)“…Background: Condensin is thought to contribute to large-scale DNA compaction during mitotic chromosome assembly. It remains unknown, however, how the complex…”
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Single-molecule characterization of Sen1 translocation properties provides insights into eukaryotic factor-dependent transcription termination
Published in Nucleic acids research (12-04-2024)“…Sen1 is an essential helicase for factor-dependent transcription termination in Saccharomyces cerevisiae, whose molecular-motor mechanism has not been well…”
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Promoter Unwinding and Promoter Clearance by RNA Polymerase: Detection by Single-Molecule DNA Nanomanipulation
Published in Proceedings of the National Academy of Sciences - PNAS (06-04-2004)“…By monitoring the end-to-end extension of a mechanically stretched, supercoiled, single DNA molecule, we have been able directly to observe the change in…”
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Single-molecule analysis of DNA uncoiling by a type II topoisomerase
Published in Nature (London) (20-04-2000)“…Type II DNA topoisomerases are ubiquitous ATP-dependent enzymes capable of transporting a DNA through a transient double-strand break in a second DNA segment…”
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Watching single molecules in action
Published in eLife (2014)“…A fluorescent imaging technique called fastFISH has been used to track the various steps involved in the transcription of a single DNA molecule…”
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Molecular scaffolds: when DNA becomes the hardware for single-molecule investigations
Published in Current opinion in chemical biology (01-12-2019)“…Over the past few decades, single-molecule manipulation has been widely applied to the real-time analysis of biomolecular interactions. It has enabled…”
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A measure of force
Published in Current opinion in chemical biology (01-12-2019)Get full text
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Shifted PAMs generate DNA overhangs and enhance SpCas9 post-catalytic complex dissociation
Published in Nature structural & molecular biology (01-11-2023)“…Using Sanger sequencing and high-throughput genome sequencing of DNA cleavage reactions, we find that the Streptococcus pyogenes SpCas9 complex responds to…”
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Author Correction: Shifted PAMs generate DNA overhangs and enhance SpCas9 post-catalytic complex dissociation
Published in Nature structural & molecular biology (01-03-2024)Get full text
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Reconstruction of bacterial transcription-coupled repair at single-molecule resolution
Published in Nature (London) (11-08-2016)“…Single-molecule assays show that the recruitment of UvrA and UvrAB to Mfd–RNA polymerase complex formed on a DNA lesion arrests the translocating complex and…”
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Cotranscriptional R-loop formation by Mfd involves topological partitioning of DNA
Published in Proceedings of the National Academy of Sciences - PNAS (13-04-2021)“…R-loops are nucleic acid hybrids which form when an RNA invades duplex DNA to pair with its template sequence. Although they are implicated in a growing number…”
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