Search Results - "Larsen, Nicolai B"
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Replication-Coupled DNA-Protein Crosslink Repair by SPRTN and the Proteasome in Xenopus Egg Extracts
Published in Molecular cell (07-02-2019)“…DNA-protein crosslinks (DPCs) are bulky lesions that interfere with DNA metabolism and therefore threaten genomic integrity. Recent studies implicate the…”
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Dynamics of the Eukaryotic Replicative Helicase at Lagging-Strand Protein Barriers Support the Steric Exclusion Model
Published in Cell reports (Cambridge) (19-02-2019)“…Progression of DNA replication depends on the ability of the replisome complex to overcome nucleoprotein barriers. During eukaryotic replication, the CMG…”
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PARP1-dependent DNA-protein crosslink repair
Published in Nature communications (05-08-2024)“…DNA-protein crosslinks (DPCs) are toxic lesions that inhibit DNA related processes. Post-translational modifications (PTMs), including SUMOylation and…”
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Stalled replication forks generate a distinct mutational signature in yeast
Published in Proceedings of the National Academy of Sciences - PNAS (05-09-2017)“…Proliferating cells acquire genome alterations during the act of DNA replication. This leads to mutation accumulation and somatic cell mosaicism in…”
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Esc2 promotes telomere stability in response to DNA replication stress
Published in Nucleic acids research (21-05-2019)“…Abstract Telomeric regions of the genome are inherently difficult-to-replicate due to their propensity to generate DNA secondary structures and form…”
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The Escherichia coli Tus–Ter replication fork barrier causes site-specific DNA replication perturbation in yeast
Published in Nature communications (07-04-2014)“…Replication fork (RF) pausing occurs at both ‘programmed’ sites and non-physiological barriers (for example, DNA adducts). Programmed RF pausing is required…”
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The CMG Helicase Bypasses DNA-Protein Cross-Links to Facilitate Their Repair
Published in Cell (10-01-2019)“…Covalent DNA-protein cross-links (DPCs) impede replication fork progression and threaten genome integrity. Using Xenopus egg extracts, we previously showed…”
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Mechanism and function of DNA replication‐independent DNA‐protein crosslink repair via the SUMO‐RNF4 pathway
Published in The EMBO journal (15-09-2021)“…DNA‐protein crosslinks (DPCs) obstruct essential DNA transactions, posing a serious threat to genome stability and functionality. DPCs are proteolytically…”
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The ubiquitin ligase RFWD3 is required for translesion DNA synthesis
Published in Molecular cell (04-02-2021)“…Lesions on DNA uncouple DNA synthesis from the replisome, generating stretches of unreplicated single-stranded DNA (ssDNA) behind the replication fork. These…”
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Giardia intestinalis thymidine kinase is a high-affinity enzyme crucial for DNA synthesis and an exploitable target for drug discovery
Published in The Journal of biological chemistry (01-06-2022)“…Giardiasis is a diarrheal disease caused by the unicellular parasite Giardia intestinalis, for which metronidazole is the main treatment option. The parasite…”
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Structural and mechanistic insight into Holliday-junction dissolution by Topoisomerase IIIα and RMI1
Published in Nature structural & molecular biology (01-03-2014)“…The 'dissolvasome', composed of TopIIIα, BLM and RMI proteins, coordinates DNA-helicase and DNA-topoisomerase activities to resolve double Holliday junctions…”
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A Molecular Toolbox to Engineer Site-Specific DNA Replication Perturbation
Published in Methods in molecular biology (Clifton, N.J.) (01-01-2018)“…Site-specific arrest of DNA replication is a useful tool for analyzing cellular responses to DNA replication perturbation. The E. coli Tus-Ter replication…”
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Tus-Ter as a tool to study site-specific DNA replication perturbation in eukaryotes
Published in Cell cycle (Georgetown, Tex.) (01-10-2014)“…The high-affinity binding of the Tus protein to specific 21-bp sequences, called Ter, causes site-specific, and polar, DNA replication fork arrest in E coli…”
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Structural and mechanistic insight into Holliday-junction dissolution by Topoisomerase III[alpha] and RMI1
Published in Nature structural & molecular biology (01-03-2014)“…Repair of DNA double-strand breaks via homologous recombination can produce double Holliday junctions (dHJs) that require enzymatic separation. Topoisomerase…”
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Histamine immunoreactive axons in the macaque retina
Published in Investigative ophthalmology & visual science (01-02-1999)“…The goal of these experiments was to identify the neurotransmitter in centrifugal axons of the macaque retina. Macaca mulatta retinas and optic nerves were…”
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Diabetic retinopathy--new challenges
Published in Ugeskrift for læger (21-07-2003)Get more information
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