Search Results - "Le Cam, Eric"
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Changes in the architecture and abundance of replication intermediates delineate the chronology of DNA damage tolerance pathways at UV-stalled replication forks in human cells
Published in Nucleic acids research (23-09-2022)“…Abstract DNA lesions in S phase threaten genome stability. The DNA damage tolerance (DDT) pathways overcome these obstacles and allow completion of DNA…”
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Verotoxin-1-Induced ER Stress Triggers Apoptotic or Survival Pathways in Burkitt Lymphoma Cells
Published in Toxins (11-05-2020)“…Shiga toxins (Stxs) expressed by the enterohaemorrhagic and enteric pathogens are protein synthesis inhibitors. Stxs have been shown to induce apoptosis via…”
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Rad52-Rad51 association is essential to protect Rad51 filaments against Srs2, but facultative for filament formation
Published in eLife (09-07-2018)“…Homology search and strand exchange mediated by Rad51 nucleoprotein filaments are key steps of the homologous recombination process. In budding yeast, Rad52 is…”
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Sepiolite as a New Nanocarrier for DNA Transfer into Mammalian Cells: Proof of Concept, Issues and Perspectives
Published in Chemical record (01-07-2018)“…Sepiolite is a nanofibrous natural silicate that can be used as a nanocarrier for DNA transfer thanks to its strong interaction with DNA molecules and its…”
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High-resolution AFM imaging of single-stranded DNA-binding (SSB) protein--DNA complexes
Published in Nucleic acids research (01-04-2007)“…DNA in living cells is generally processed via the generation and the protection of single-stranded DNA involving the binding of ssDNA-binding proteins (SSBs)…”
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Rad52 sumoylation prevents the toxicity of unproductive Rad51 filaments independently of the anti-recombinase Srs2
Published in PLoS genetics (01-10-2013)“…The budding yeast Srs2 is the archetype of helicases that regulate several aspects of homologous recombination (HR) to maintain genomic stability. Srs2…”
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Linker Histones Incorporation Maintains Chromatin Fiber Plasticity
Published in Biophysical journal (08-06-2011)“…Genomic DNA in eukaryotic cells is organized in supercoiled chromatin fibers, which undergo dynamic changes during such DNA metabolic processes as…”
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Rouse model with transient intramolecular contacts on a timescale of seconds recapitulates folding and fluctuation of yeast chromosomes
Published in Nucleic acids research (09-07-2019)“…Abstract DNA folding and dynamics along with major nuclear functions are determined by chromosome structural properties, which remain, thus far, elusive in…”
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The universal Kae1 protein and the associated Bud32 kinase (PRPK), a mysterious protein couple probably essential for genome maintenance in Archaea and Eukarya
Published in Biochemical Society transactions (01-02-2009)“…The similarities between essential molecular mechanisms in Archaea and Eukarya make it possible to discover, using comparative genomics, new fundamental…”
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In vitro role of Rad54 in Rad51-ssDNA filament-dependent homology search and synaptic complexes formation
Published in Nature communications (06-09-2019)“…Homologous recombination (HR) uses a homologous template to accurately repair DNA double-strand breaks and stalled replication forks to maintain genome…”
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The EcoRI−DNA Complex as a Model for Investigating Protein−DNA Interactions by Atomic Force Microscopy
Published in Biochemistry (Easton) (12-12-2006)“…Atomic force microscopy (AFM) is a technique widely used to image protein−DNA complexes, and its application has now been extended to the measurements of…”
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Hypoxic tumor-derived microvesicles negatively regulate NK cell function by a mechanism involving TGF-β and miR23a transfer
Published in Oncoimmunology (02-04-2016)“…Tumor-derived microvesicles (TD-MVs) are key mediators which are shed by cancer cells and can sensitize neighboring cells in the tumor microenvironment. TD-MVs…”
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XLF and APLF bind Ku80 at two remote sites to ensure DNA repair by non-homologous end joining
Published in Nature structural & molecular biology (01-10-2018)“…The Ku70–Ku80 (Ku) heterodimer binds rapidly and tightly to the ends of DNA double-strand breaks and recruits factors of the non-homologous end-joining (NHEJ)…”
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RAD51 protects against nonconservative DNA double-strand break repair through a nonenzymatic function
Published in Nucleic acids research (21-03-2022)“…Abstract Selection of the appropriate DNA double-strand break (DSB) repair pathway is decisive for genetic stability. It is proposed to act according to two…”
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Study of the DnaB:DciA interplay reveals insights into the primary mode of loading of the bacterial replicative helicase
Published in Nucleic acids research (21-06-2021)“…Abstract Replicative helicases are essential proteins that unwind DNA in front of replication forks. Their loading depends on accessory proteins and in…”
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Assembly mechanism and cryoEM structure of RecA recombination nucleofilaments from Streptococcus pneumoniae
Published in Nucleic acids research (11-04-2023)“…Abstract RecA-mediated homologous recombination (HR) is a key mechanism for genome maintenance and plasticity in bacteria. It proceeds through RecA assembly…”
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Structural analysis of the Candida albicans mitochondrial DNA maintenance factor Gcf1p reveals a dynamic DNA-bridging mechanism
Published in Nucleic acids research (23-06-2023)“…Abstract The compaction of mitochondrial DNA (mtDNA) is regulated by architectural HMG-box proteins whose limited cross-species similarity suggests diverse…”
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In vivo reduction of RAD51-mediated homologous recombination triggers aging but impairs oncogenesis
Published in The EMBO journal (16-10-2023)“…Homologous recombination (HR) is a prominent DNA repair pathway maintaining genome integrity. Mutations in many HR genes lead to cancer predisposition…”
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19
Auto-assembly as a new regulatory mechanism of noncoding RNA
Published in Cell cycle (Georgetown, Tex.) (15-03-2009)“…An abstract is not available for this article…”
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C-terminal region of bacterial Ku controls DNA bridging, DNA threading and recruitment of DNA ligase D for double strand breaks repair
Published in Nucleic acids research (02-06-2016)“…Non-homologous end joining is a ligation process repairing DNA double strand breaks in eukaryotes and many prokaryotes. The ring structured eukaryotic Ku binds…”
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