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Fowl adenovirus 8a isolated from chickens with runting and stunting syndrome induces inclusion body hepatitis and hepatitis-hydropericardium syndrome in chicken embryos.
Vet World
November 2024
Laboratory of Avian Diseases, School of Veterinary Medicine and Animal Science, Department of Pathology, University of São Paulo, São Paulo, Brazil.
Background And Aim: Fowl adenovirus (FAdV) is the etiological agent of inclusion body hepatitis (IBH) and hepatitis-hydropericardium syndrome (HHS) in poultry. It is also detected in chickens with runting and stunting syndrome (RSS). FAdV has been detected worldwide, and genotypes 8a, 8b, and 11 have been identified in chickens with enteric problems in Brazil.
View Article and Find Full Text PDFThe impact of charge regulation and ionic intranuclear environment on the nucleosome core particle.
J Chem Phys
December 2024
Department of Biomedical Engineering, Northwestern University, Evanston, Illinois 60208, USA.
We theoretically investigate how the intranuclear environment influences the charge of a nucleosome core particle (NCP)-the fundamental unit of chromatin consisting of DNA wrapped around a core of histone proteins. The molecular-based theory explicitly considers the size, shape, conformation, charge, and chemical state of all molecular species-thereby linking the structural state with the chemical/charged state of the system. We investigate how variations in monovalent and divalent salt concentrations, as well as pH, affect the charge distribution across different regions of an NCP and quantify the impact of charge regulation.
View Article and Find Full Text PDFThe Impact of Charge Regulation and Ionic Intranuclear Environment on the Nucleosome Core Particle.
bioRxiv
November 2024
Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA.
We theoretically investigate how the intranuclear environment influences the charge of a nucleosome core particle (NCP) - the fundamental unit of chromatin consisting of DNA wrapped around a core of histone proteins. The molecular-based theory explicitly considers the size, shape, conformations, charges, and chemical states of all molecular species - thereby linking the structural state with the chemical/charged state of the system. We investigate how variations in monovalent and divalent salt concentrations, as well as pH, affect the charge distribution across different regions of an NCP and quantify the impact of charge regulation.
View Article and Find Full Text PDFPre-ribosomal particles from nucleoli to cytoplasm.
Nucleus
December 2024
Clausius Institute of Physical and Theoretical Chemistry, University of Bonn, Bonn, Germany.
The analysis of nucleocytoplasmic transport of proteins and messenger RNA has been the focus of advanced microscopic approaches. Recently, it has been possible to identify and visualize individual pre-ribosomal particles on their way through the nuclear pore complex using both electron and light microscopy. In this review, we focused on the transport of pre-ribosomal particles in the nucleus on their way to and through the pores.
View Article and Find Full Text PDFEptesipox virus-associated lesions in naturally infected big brown bats.
Vet Pathol
July 2024
University of Saskatchewan, Saskatoon, SK, Canada.
Bats have many unique qualities amongst mammals; one of particular importance is their reported tolerance to viruses without developing disease. Here, the authors present evidence to the contrary by describing and demonstrating viral nucleic acids within lesions from eptesipox virus (EfPV) infection in big brown bats. One hundred and thirty bats submitted for necropsy from Saskatchewan, Canada, between 2017 and 2021 were screened for EfPV by polymerase chain reaction (PCR); 2 had amplifiable poxvirus DNA.
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