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Oversized cells activate global proteasome-mediated protein degradation to maintain cell size homeostasis.
Elife
January 2025
Cell Biology, Hospital for Sick Children, Toronto, Canada.
Proliferating animal cells maintain a stable size distribution over generations despite fluctuations in cell growth and division size. Previously, we showed that cell size control involves both cell size checkpoints, which delay cell cycle progression in small cells, and size-dependent regulation of mass accumulation rates (Ginzberg et al., 2018).
View Article and Find Full Text PDFNup107 contributes to the maternal to zygotic transition by preventing the premature nuclear export of pri-miRNA 427.
Development
January 2025
Pediatric Genomics Discovery Program, Departments of Pediatrics and Genetics, Yale School of Medicine, 333 Cedar Street, New Haven, CT, 06520, USA.
Emerging evidence suggests that the nuclear pore complex can have unique compositions and distinct nucleoporin functions in different cells. Here, we show that Nup107, a key component of the NPC scaffold, varies in expression over development: it is expressed at higher levels in the blastula compared to the gastrula suggesting a critical role prior to gastrulation. We find depletion of Nup107 affects the differentiation of the early germ layers leading to an expansion of the ectoderm at the expense of endoderm and mesoderm.
View Article and Find Full Text PDFEnhancing the control of respiratory virus spread: a comprehensive approach integrating airborne virus detection, aerological investigations, and airflow modeling for practical implementation.
Infect Control Hosp Epidemiol
January 2025
Virology Department, AP-HP, Hôpital Saint-Louis, Paris, France.
Objective: Patients with chronic kidney disease suffer from immune dysfunction, increasing susceptibility to infections. The aim of the study was to investigate air contamination with respiratory viruses in a dialysis unit at a quaternary hospital using molecular detection techniques and to analyze airflow dynamics through computational fluid dynamics (CFD) simulations for a comprehensive assessment of air transmission risks.
Methods: We conducted dialysis unit air sampling using AerosolSense™ samplers.
The matere bond.
Dalton Trans
January 2025
Department of Chemistry, Universitat de les Illes Balears, Crta de Valldemossa km 7.5, 07122 Palma de Mallorca, Baleares, Spain.
This perpective delves into the emerging field of matere bonds, a novel type of noncovalent interaction involving group 7 elements such as manganese, technetium, and rhenium. Matere bonds, a new member of the σ-hole family where metal atoms act as electron acceptors, have been shown experimentally and theoretically to play significant roles in the self-assembly and stabilization of supramolecular structures both in solid-state and solution-phase environments. This perspective article explores the physical nature of these interactions, emphasizing their directionality and structural influence in various supramolecular architectures.
View Article and Find Full Text PDFGenotypic diversity and biological characterization of Alphabaculovirus mabrassicae isolates from a wide host range.
Pest Manag Sci
January 2025
Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China.
Background: Baculoviruses are ideal biological insecticides, providing long-lasting pest control and environmental benefits. Alphabaculovirus mabrassicae stains, with their broad host range, have been effective in agricultural pest management. Various A.
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