Modeling the homologous recombination process: Methods, successes and challenges

A Sabei, M Prentiss, C Prévost - International Journal of Molecular …, 2023 - mdpi.com
Homologous recombination (HR) is a fundamental process common to all species. HR aims
to faithfully repair DNA double strand breaks. HR involves the formation of nucleoprotein …

Engineering polymerases for new functions

TA Coulther, HR Stern, PJ Beuning - Trends in biotechnology, 2019 - cell.com
DNA polymerases are critical tools in biotechnology, enabling efficient and accurate
amplification of DNA templates, yet many desired functions are not readily available in …

Fast native-SAD phasing for routine macromolecular structure determination

T Weinert, V Olieric, S Waltersperger, E Panepucci… - Nature …, 2015 - nature.com
We describe a data collection method that uses a single crystal to solve X-ray structures by
native SAD (single-wavelength anomalous diffraction). We solved the structures of 11 real …

Structure and dynamics of the CRISPR–Cas9 catalytic complex

G Palermo - Journal of Chemical Information and Modeling, 2019 - ACS Publications
CRISPR–Cas9 is a bacterial immune system with exciting applications for genome editing.
In spite of extensive experimental characterization, the active site chemistry of the RuvC …

cryo-EM structures of the E. coli replicative DNA polymerase reveal its dynamic interactions with the DNA sliding clamp, exonuclease and τ

R Fernandez-Leiro, J Conrad, SHW Scheres… - Elife, 2015 - elifesciences.org
The replicative DNA polymerase PolIIIα from Escherichia coli is a uniquely fast and
processive enzyme. For its activity it relies on the DNA sliding clamp β, the proofreading …

Pyrophosphate hydrolysis is an intrinsic and critical step of the DNA synthesis reaction

J Kottur, DT Nair - Nucleic Acids Research, 2018 - academic.oup.com
DNA synthesis by DNA polymerases (dPols) is central to duplication and maintenance of the
genome in all living organisms. dPols catalyze the formation of a phosphodiester bond …

Novel autoproteolytic and DNA-damage sensing components in the bacterial SOS response and oxidized methylcytosine-induced eukaryotic DNA demethylation …

L Aravind, S Anand, LM Iyer - Biology direct, 2013 - Springer
Abstract The bacterial SOS response is an elaborate program for DNA repair, cell cycle
regulation and adaptive mutagenesis under stress conditions. Using sensitive sequence …

Structure and function of extreme TLS DNA polymerase TTEDbh from Thermoanaerobacter tengcongensis

LF Tian, H Gao, S Yang, YP Liu, M Li, W Xu… - International Journal of …, 2023 - Elsevier
Translesion synthesis (TLS) is a kind of DNA repair that maintains the stability of the genome
and ensures the normal growth of life in cells under emergencies. Y-family DNA …

Probing conformational transitions towards mutagenic Watson–Crick-like G·T mismatches using off-resonance sugar carbon R relaxation dispersion

A Rangadurai, ES Szymanski, I Kimsey, H Shi… - Journal of Biomolecular …, 2020 - Springer
NMR off-resonance R 1ρ relaxation dispersion measurements on base carbon and nitrogen
nuclei have revealed that wobble G· T/U mismatches in DNA and RNA duplexes exist in …

Reactive oxygen species play an important role in the bactericidal activity of quinolone antibiotics

J Kottur, DT Nair - Angewandte Chemie International Edition, 2016 - Wiley Online Library
Recent studies posit that reactive oxygen species (ROS) contribute to the cell lethality of
bactericidal antibiotics. However, this conjecture has been challenged and remains …