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Z-DNA at the crossroads: untangling its role in genome dynamics.
Trends Biochem Sci
January 2025
Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-Ku, Kyoto 606-8502, Japan; Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Yoshida-Ushinomiyacho, Sakyo-Ku, Kyoto 606-8501, Japan. Electronic address:
DNA can fold into noncanonical left-handed Z-DNA conformation beyond the right-handed B-DNA. While its crystal structure was discovered nearly four decades ago, it was predominantly considered a structural curiosity. Recent evidence suggests that Z-DNA formation occurs in nuclear and mitochondrial DNA (mtDNA), with significant biological implications.
View Article and Find Full Text PDFThe Persistence of Antibiotic Resistance in Observational Studies: Is It Really Due to Differences in Sub-Populations Rather than Antibiotic Use?
Antibiotics (Basel)
January 2025
Independent Researcher, Melbourne, VIC 3000, Australia.
: The carriage of resistant bacteria and prior antimicrobial treatment are related, but in an individual, this diminishes over time. To better manage antimicrobial resistance risks, it is crucial that we better untangle any lasting impact of antibiotic use compared to other factors. This understanding is essential for informing antimicrobial stewardship programs and to better manage other important factors that likely contribute to persistently higher rates of antimicrobial resistance in different populations.
View Article and Find Full Text PDFThe Influence of Phosphoinositide Lipids in the Molecular Biology of Membrane Proteins: Recent Insights from Simulations.
J Mol Biol
January 2025
Institute of Biological Chemistry, Academia Sinica, Taipei 115, Taiwan; Department of Chemistry, University of Oxford, South Parks Road, Oxford, OX1 3QZ, UK.
The phosphoinositide family of membrane lipids play diverse and critical roles in eukaryotic molecular biology. Much of this biological activity derives from interactions of phosphoinositide lipids with integral and peripheral membrane proteins, leading to modulation of protein structure, function, and cellular distribution. Since the discovery of phosphoinositides in the 1940s, combined molecular biology, biophysical, and structural approaches have made enormous progress in untangling this vast and diverse cellular network of interactions.
View Article and Find Full Text PDFUntangling the role of single-atom substitution on the improvement of the hydrogen evolution reaction of YNS MXene in acidic media.
Phys Chem Chem Phys
January 2025
Departamento de Física Aplicada - Instituto de Ciencia de Materiales, Matter at High Pressure (MALTA) Consolider Team, Universidad de Valencia, Edificio de Investigación, C/Dr Moliner 50, Burjassot, 46100, Valencia, Spain.
The production of hydrogen (H) fuel through electrocatalysis is emerging as a sustainable alternative to conventional and environmentally harmful energy sources. However, the discovery of cost-effective and efficient materials for this purpose remains a significant challenge. In this study, we explore the potential of the transition-metal-substituted YNS MXene as a promising candidate for hydrogen production through the hydrogen evolution reaction (HER).
View Article and Find Full Text PDFUntangling the Role of Capping Agents in Manipulating Electrochemical Behaviors Toward Practical Aqueous Zinc-Ion Batteries.
Adv Mater
January 2025
Department of Chemistry, University College London, London, WC1E 7JE, UK.
Long-standing challenges including notorious side reactions at the Zn anode, low Zn anode utilization, and rapid cathode degradation at low current densities hinder the advancement of aqueous zinc-ion batteries (AZIBs). Inspired by the critical role of capping agents in nanomaterials synthesis and bulk crystal growth, a series of capping agents are employed to demonstrate their applicability in AZIBs. Here, it is shown that the preferential adsorption of capping agents on different Zn crystal planes, coordination between capping agents and Zn ions, and interactions with metal oxide cathodes enable preferred Zn (002) deposition, water-deficient Zn ion solvation structure, and a dynamic cathode-electrolyte interface.
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