Search Results - "Rouzina, Ioulia"
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Mechanisms of small molecule-DNA interactions probed by single-molecule force spectroscopy
Published in Nucleic acids research (19-05-2016)“…There is a wide range of applications for non-covalent DNA binding ligands, and optimization of such interactions requires detailed understanding of the…”
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T4 gp32 forms dynamic, compacting filaments on ssDNA that reorganize through interprotein interactions
Published in Biophysical journal (10-02-2023)Get full text
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Binding and wrapping of E. coli single stranded binding protein (SSB) C-terminal tail variants measured using force spectroscopy
Published in Biophysical journal (10-02-2023)Get full text
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Structure and function of SARS-CoV-2 nucleocapsid protein measured using optical tweezers, confocal fluorescence, and AFM
Published in Biophysical journal (10-02-2023)Get full text
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Revealing the competition between peeled ssDNA, melting bubbles, and S-DNA during DNA overstretching by single-molecule calorimetry
Published in Proceedings of the National Academy of Sciences - PNAS (05-03-2013)“…Double-stranded DNA (dsDNA) unconstrained by torsion undergoes an overstretching transition at about 65 pN, elongating the DNA to about 1.7-fold. Three…”
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Nucleosome chaperone activity of LEDGF and HDGF2 characterized with single molecule force spectroscopy
Published in Biophysical journal (10-02-2023)Get full text
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Thermodynamics and kinetics of the B-S transition in base-modified DNA
Published in Biophysical journal (10-02-2023)“…Understanding changes in the mechanical properties of nucleic acids is important to understand many biological processes. DNA exhibits a conformational change…”
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HIV-1 nucleocapsid protein binds double-stranded DNA in multiple modes to regulate compaction and capsid uncoating
Published in Biophysical journal (10-02-2023)Get full text
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Dimerization regulates both deaminase-dependent and deaminase-independent HIV-1 restriction by APOBEC3G
Published in Nature communications (19-09-2017)“…APOBEC3G (A3G) is a human enzyme that inhibits human immunodeficiency virus type 1 (HIV-1) infectivity, in the absence of the viral infectivity factor Vif,…”
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HIV restriction factor APOBEC3G binds in multiple steps and conformations to search and deaminate single-stranded DNA
Published in eLife (18-12-2019)“…APOBEC3G (A3G), an enzyme expressed in primates with the potential to inhibit human immunodeficiency virus type 1 (HIV-1) infectivity, is a single-stranded DNA…”
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Visualizing both nucleosome disassembly and reassembly during FACT chaperone activity
Published in Biophysical journal (10-02-2023)Get full text
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Mechanism of DNA Intercalation by Chloroquine Provides Insights into Toxicity
Published in International journal of molecular sciences (01-02-2024)“…Chloroquine has been used as a potent antimalarial, anticancer drug, and prophylactic. While chloroquine is known to interact with DNA, the details of…”
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Cationic Residues of the HIV-1 Nucleocapsid Protein Enable DNA Condensation to Maintain Viral Core Particle Stability during Reverse Transcription
Published in Viruses (01-06-2024)“…The HIV-1 nucleocapsid protein (NC) is a multifunctional viral protein necessary for HIV-1 replication. Recent studies have demonstrated that reverse…”
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Single‐molecule mechanochemical characterization of E. coli pol III core catalytic activity
Published in Protein science (01-07-2017)“…Pol III core is the three‐subunit subassembly of the E. coli replicative DNA polymerase III holoenzyme. It contains the catalytic polymerase subunit α, the 3′…”
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Deaminase-independent inhibition of HIV-1 reverse transcription by APOBEC3G
Published in Nucleic acids research (01-12-2007)“…APOBEC3G (A3G), a host protein that inhibits HIV-1 reverse transcription and replication in the absence of Vif, displays cytidine deaminase and single-stranded…”
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Distinct binding interactions of HIV-1 Gag to Psi and non-Psi RNAs: implications for viral genomic RNA packaging
Published in RNA (Cambridge) (01-08-2013)“…Despite the vast excess of cellular RNAs, precisely two copies of viral genomic RNA (gRNA) are selectively packaged into new human immunodeficiency type 1…”
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Targeted binding of nucleocapsid protein transforms the folding landscape of HIV-1 TAR RNA
Published in Proceedings of the National Academy of Sciences - PNAS (03-11-2015)“…Retroviral nucleocapsid (NC) proteins are nucleic acid chaperones that play a key role in the viral life cycle. During reverse transcription, HIV-1 NC…”
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HIV-1 Nucleocapsid Protein Binds Double-Stranded DNA in Multiple Modes to Regulate Compaction and Capsid Uncoating
Published in Viruses (25-01-2022)“…The HIV-1 nucleocapsid protein (NC) is a multi-functional protein necessary for viral replication. Recent studies have demonstrated reverse transcription…”
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Specific inter-domain interactions stabilize a compact HIV-1 Gag conformation
Published in PloS one (22-08-2019)“…HIV-1 Gag is a large multidomain poly-protein with flexible unstructured linkers connecting its globular subdomains. It is compact when in solution but assumes…”
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Oligomerization transforms human APOBEC3G from an efficient enzyme to a slowly dissociating nucleic acid-binding protein
Published in Nature chemistry (01-01-2014)“…The human APOBEC3 proteins are a family of DNA-editing enzymes that play an important role in the innate immune response against retroviruses and…”
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