Search Results - "Gillet, Natacha"
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DNA damage and repair in the nucleosome: insights from computational methods
Published in Biophysical reviews (01-06-2024)“…Cellular DNA is constantly exposed to endogenous or exogenous factors that can induce lesions. Several types of lesions have been described that can result…”
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2
Radical cation transfer in a guanine pair: an insight to the G-quadruplex structure role using constrained DFT/MM
Published in Theoretical chemistry accounts (01-07-2021)“…DNA G-Quadruplex is highly sensitive to oxidation as their structures include π -stacked guanine quartets allowing fast hole transfer between the nucleobases…”
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3
Dynamics and energetics of PCBP1 binding to severely oxidized RNA
Published in Frontiers in molecular biosciences (03-11-2022)“…Oxidatively generated lesions such as 8-oxo-7, 8-dihydroguanine (8-oxoG) on RNA strands constitute a hallmark marker of the oxidative stress in the cell…”
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4
Electronic Coupling Calculations for Bridge-Mediated Charge Transfer Using Constrained Density Functional Theory (CDFT) and Effective Hamiltonian Approaches at the Density Functional Theory (DFT) and Fragment-Orbital Density Functional Tight Binding (FODFTB) Level
Published in Journal of chemical theory and computation (11-10-2016)“…In this article, four methods to calculate charge transfer integrals in the context of bridge-mediated electron transfer are tested. These methods are based on…”
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5
Electron Transfer, Decoherence, and Protein Dynamics: Insights from Atomistic Simulations
Published in Accounts of chemical research (21-04-2015)“…Electron transfer in biological systems drives the processes of life. From cellular respiration to photosynthesis and enzymatic catalysis, electron transfers…”
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6
Recognition of a tandem lesion by DNA bacterial formamidopyrimidine glycosylases explored combining molecular dynamics and machine learning
Published in Computational and structural biotechnology journal (01-01-2021)“…[Display omitted] The combination of several closely spaced DNA lesions, which can be induced by a single radical hit, constitutes a hallmark in the DNA damage…”
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7
What tunes guanine ionization potential in a nucleosome? An all-in-one systematic QM/MM assessment
Published in Biophysical journal (17-09-2024)“…Guanine radical cations are precursors to oxidatively induced DNA lesions, and the determination of oxidative DNA hot spots beyond oligonucleotides remains a…”
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8
Molecular Dynamics Approach for Capturing Calixarene–Protein Interactions: The Case of Cytochrome C
Published in The journal of physical chemistry. B (17-12-2020)“…Functionalized supramolecular cages are of growing importance in biology and biochemistry. They have recently been proposed as efficient auxiliaries to obtain…”
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A Dynamic View of the Interaction of Histone Tails with Clustered Abasic Sites in a Nucleosome Core Particle
Published in The journal of physical chemistry letters (01-07-2021)“…Apurinic/apyrimidinic sites are the most common forms of DNA damage under physiological conditions, yet their structural and dynamical behavior within…”
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10
DNA–Histone Cross-Link Formation via Hole Trapping in Nucleosome Core Particles
Published in Journal of the American Chemical Society (01-11-2023)“…Radical cations (holes) produced in DNA by ionizing radiation and other oxidants yield DNA–protein cross-links (DPCs). Detailed studies of DPC formation in…”
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11
Molecular Dynamics Approach for Capturing Calixarenes-Proteins Interactions: The Case ofCytochrome C
Published in The journal of physical chemistry. B (17-12-2020)“…Functionalized supramolecular cages are of growing importance in biology and biochemistry. They have recently been proposed as efficient auxiliaries to obtain…”
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12
Two aspartate residues close to the lesion binding site of Agrobacterium (6‐4) photolyase are required for Mg2+ stimulation of DNA repair
Published in The FEBS journal (01-05-2019)“…Prokaryotic (6‐4) photolyases branch at the base of the evolution of cryptochromes and photolyases. Prototypical members contain an iron–sulphur cluster which…”
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13
Influence of Chemical Modifications of the Crystallophore on Protein Nucleating Properties and Supramolecular Interactions Network
Published in Chemistry : a European journal (05-07-2024)“…Crystallophores are lanthanide complexes that have demonstrated outstanding induction of crystallization for various proteins. This article explores the effect…”
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14
Functional role of an unusual tyrosine residue in the electron transfer chain of a prokaryotic (6-4) photolyase
Published in Chemical science (Cambridge) (07-02-2018)“…Cryptochromes and photolyases form a flavoprotein family in which the FAD chromophore undergoes light induced changes of its redox state. During this process,…”
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15
Coupling Quantum Interpretative Techniques: Another Look at Chemical Mechanisms in Organic Reactions
Published in Journal of chemical theory and computation (13-11-2012)“…A cross ELF/NCI analysis is tested over prototypical organic reactions. The synergetic use of ELF and NCI enables the understanding of reaction mechanisms…”
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16
Nucleosomal embedding reshapes the dynamics of abasic sites
Published in Scientific reports (14-10-2020)“…Apurinic/apyrimidinic (AP) sites are the most common DNA lesions, which benefit from a most efficient repair by the base excision pathway. The impact of losing…”
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17
Two aspartate residues close to the lesion binding site of Agrobacterium (6-4) photolyase are required for Mg 2+ stimulation of DNA repair
Published in The FEBS journal (01-05-2019)“…Prokaryotic (6-4) photolyases branch at the base of the evolution of cryptochromes and photolyases. Prototypical members contain an iron-sulphur cluster which…”
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18
A new G-quadruplex-specific photosensitizer inducing genome instability in cancer cells by triggering oxidative DNA damage and impeding replication fork progression
Published in Nucleic acids research (07-07-2023)“…Abstract Photodynamic therapy (PDT) ideally relies on the administration, selective accumulation and photoactivation of a photosensitizer (PS) into diseased…”
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19
Progress and challenges in simulating and understanding electron transfer in proteins
Published in Archives of biochemistry and biophysics (15-09-2015)“…[Display omitted] •Numerical simulations approaches for electron transfers in proteins are reviewed.•Lambdas and driving forces of Marcus theory can be…”
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20
Theoretical estimation of redox potential of biological quinone cofactors
Published in Journal of computational chemistry (05-07-2017)“…Redox potentials are essential to understand biological cofactor reactivity and to predict their behavior in biological media. Experimental determination of…”
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