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The role of mobile DNA elements in the dynamic of plants genome plasticity.
J Exp Bot
January 2025
School of Biosciences, University of Birmingham, Birmingham, UK.
Plants host a range of DNA elements capable of self-replication. These molecules, usually associated to the activity of transposable elements or viruses, are found integrated in the genome or in the form of extrachromosomal DNA. The activity of these elements can impact genome plasticity by a variety of mechanisms, including the generation of structural variants, the shuffling of regulatory or coding DNA sequences across the genome, and DNA endoduplication.
View Article and Find Full Text PDFRepurposing Licensed Drugs with Activity Against Epstein-Barr Virus for Treatment of Multiple Sclerosis: A Systematic Approach.
CNS Drugs
January 2025
School of Medicine and Dentistry, Gold Coast Campus, Griffith University, Southport, QLD, 4222, Australia.
Background: Epstein-Barr virus (EBV) is implicated as a necessary factor in the development of multiple sclerosis (MS) and may also be a driver of disease activity. Although it is not clear whether ongoing viral replication is the driver for MS pathology, MS researchers have considered the prospect of using drugs with potential efficacy against EBV in the treatment of MS. We have undertaken scientific and lived experience expert panel reviews to shortlist existing licensed therapies that could be used in later-stage clinical trials in MS.
View Article and Find Full Text PDFMinichromosome Maintenance Proteins: From DNA Replication to the DNA Damage Response.
Cells
December 2024
Karmanos Cancer Institute, Department of Oncology, School of Medicine, Wayne State University, 4100 John R Street, Detroit, MI 48201, USA.
The DNA replication machinery is highly conserved from bacteria to eukaryotic cells. Faithful DNA replication is vital for cells to transmit accurate genetic information to the next generation. However, both internal and external DNA damages threaten the intricate DNA replication process, leading to the activation of the DNA damage response (DDR) system.
View Article and Find Full Text PDFMsh2-Msh3 DNA-binding is not sufficient to promote trinucleotide repeat expansions in Saccharomyces cerevisiae.
Genetics
January 2025
Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY 14203, USA.
Mismatch repair (MMR) is a highly conserved DNA repair pathway that recognizes mispairs that occur spontaneously during DNA replication and coordinates their repair. In Saccharomyces cerevisiae, Msh2-Msh3 and Msh2-Msh6 initiate MMR by recognizing and binding insertion deletion loops (in/dels) up to ∼ 17 nucleotides (nt.) and base-base mispairs, respectively; the two complexes have overlapping specificity for small (1-2 nt.
View Article and Find Full Text PDFSRPKs Homolog Dsk1 Regulates Homologous Recombination Repair in Schizosaccharomyces pombe.
Genes Cells
January 2025
Jiangsu Key Laboratory for Pathogens and Ecosystems, College of Life Sciences, Nanjing Normal University, Nanjing, China.
Serine-arginine protein kinases (SRPKs) play important roles in diverse biological processes such as alternative splicing and cell cycle. However, the functions of SRPKs in DNA damage response remain unclear. Here we characterized the function of SRPKs homolog Dsk1 in regulating DNA repair in the fission yeast Schizosaccharomyces pombe.
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