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| http://dx.doi.org/10.1093/ehjcr/ytad144 | DOI Listing |
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Single-Virus Microscopy of Biochemical Events in Viral Entry.
JACS Au
January 2025
Department of Biomedical Engineering, University of Virginia, Box 800759, Charlottesville, Virginia 22908, United States.
Cell entry by enveloped viruses involves a set of multistep, multivalent interactions between viral and host proteins as well as manipulation of nanoscale membrane mechanics by these interacting partners. A mechanistic understanding of these events has been challenging due to the complex nature of the interactions and the event-to-event heterogeneity involved. Single-virus microscopy has emerged as a powerful technique to probe viral binding and fusion kinetics.
View Article and Find Full Text PDFMolecular Basis for Short-Chain Thioester Hydrolysis by Acyl Hydrolases in -Acyltransferase Polyketide Synthases.
JACS Au
January 2025
Department of Chemistry, University of Warwick, Coventry CV4 7AL, U.K.
Polyketide synthases (PKSs) are multidomain enzymatic assembly lines that biosynthesize a wide selection of bioactive natural products from simple building blocks. In contrast to their -acyltransferase (AT) counterparts, -AT PKSs rely on stand-alone ATs to load extender units onto acyl carrier protein (ACP) domains embedded in the core PKS machinery. -AT PKS gene clusters also encode stand-alone acyl hydrolases (AHs), which are predicted to share the overall fold of ATs but function like type II thioesterases (TEs), hydrolyzing aberrant acyl chains from ACP domains to promote biosynthetic efficiency.
View Article and Find Full Text PDFSystematics of the complex, with evidence for 3 additional Afrotropical bat species.
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Estación Biológica de Doñana (CSIC), Avda. Américo Vespucio 26, Seville 41092, Spain.
Roughly a third of all horseshoe bat species (Rhinolophidae: ) are found in Africa, where a recent continent-wide genetic survey suggested the presence of both undescribed and apparently invalid species. Here, we focus on the species complex and the recent elevation of Peters, 1852, to species rank. That action created ambiguity in the taxonomy of East African members of the group-are both Martin, 1838, and sympatric in East Africa or is another, unnamed species present there? Here, we refine genetic, morphological, and behavioral characterizations of and its erstwhile synonyms with samples from the vicinity of their type localities.
View Article and Find Full Text PDFThe Spectrum of Genetic Risk in Alzheimer Disease.
Neurol Genet
February 2025
Department of Neurology, Adjunct Medicine, Division Medical Genetics, University of Washington, Seattle.
Alzheimer disease (AD), the most common dementing syndrome in the United States, is currently established by the presence of amyloid-β and tau protein biomarkers in the setting of clinical cognitive impairment. These straightforward diagnostic parameters belie an immense complexity of genetic architecture underlying risk and presentation in AD. In this review, we provide a focused overview of the current state of AD genetics.
View Article and Find Full Text PDFULaMDyn: enhancing excited-state dynamics analysis through streamlined unsupervised learning.
Digit Discov
January 2025
Aix Marseille University, CNRS, ICR 13397 Marseille France
The analysis of nonadiabatic molecular dynamics (NAMD) data presents significant challenges due to its high dimensionality and complexity. To address these issues, we introduce ULaMDyn, a Python-based, open-source package designed to automate the unsupervised analysis of large datasets generated by NAMD simulations. ULaMDyn integrates seamlessly with the Newton-X platform and employs advanced dimensionality reduction and clustering techniques to uncover hidden patterns in molecular trajectories, enabling a more intuitive understanding of excited-state processes.
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