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Ultrastructural Study and Immunohistochemical Characteristics of Mesencephalic Tegmentum in Juvenile Chum Salmon () Brain After Acute Traumatic Injury.
Int J Mol Sci
January 2025
A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia.
The ultrastructural organization of the nuclei of the tegmental region in juvenile chum salmon () was examined using transmission electron microscopy (TEM). The dorsal tegmental nuclei (DTN), the nucleus of (NFLM), and the nucleus of the oculomotor nerve (NIII) were studied. The ultrastructural examination provided detailed ultrastructural characteristics of neurons forming the tegmental nuclei and showed neuro-glial relationships in them.
View Article and Find Full Text PDFLeishmania mexicana N-Acetyltransferease 10 Is Important for Polysome Formation and Cell Cycle Progression.
Mol Microbiol
January 2025
Laboratório de Biologia Molecular de Patógenos (LBMP), Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal de São Paulo (Unifesp), São Paulo, Brazil.
Leishmania presents a complex life cycle that involves both invertebrate and vertebrate hosts. By regulating gene expression, protein synthesis, and metabolism, the parasite can adapt to various environmental conditions. This regulation occurs mainly at the post-transcriptional level and may involve epitranscriptomic modifications of RNAs.
View Article and Find Full Text PDFAn Intrinsically Disordered RNA Binding Protein Modulates mRNA Translation and Storage.
J Mol Biol
January 2025
Center for Biophysics and Quantitative Biology, University of Illinois at Urbana-Champaign, 600 S. Mathews Avenue, Urbana, IL 61801, United States; Department of Biochemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Avenue, Urbana, IL 61801, United States; Carl R. Woese Institute for Genomic Biology, 1206 West Gregory Drive, University of Illinois at Urbana-Champaign, 600 S. Mathews Avenue, Urbana, IL 61801, United States. Electronic address:
Proteins with intrinsically disordered regions (IDR) play diverse functions in regulating gene expression in the cell. Many of these proteins interact with cytoplasmic ribosomes. However, the molecular functions related to the interactions are largely unclear.
View Article and Find Full Text PDFMapping and quantification of potato virus A RNA genomes within viral particles and polysomes in infected plant cells.
J Virol Methods
February 2025
Viikki Plants Science Centre and Department of Agricultural Sciences, Faculty of Agriculture and Forestry, University of Helsinki, Finland. Electronic address:
Article Synopsis
- Potato virus A is a single-stranded RNA virus that infects crops and requires its genome for various functions during its infection cycle.
- Researchers aimed to quantify how much of the viral RNA is present in virions compared to that associated with host polysomes, as this information was previously lacking.
- The study found that 69% of the viral RNA exists as encapsidated genomes, with only 3% interacting with host polysomes, which is important for understanding viral translation and protein synthesis.
Translation Efficiency Test Using Polysome Profiles Under Heat Stress.
J Vis Exp
October 2024
Department of Biochemical Science and Technology, National Taiwan University;
Translational control of different genes under heat stress is a critical step for plant adaptation to the environment. Assessing the translational activities of various genes can help us understand the molecular mechanisms underlying plant resilience, contributing to the development of crops with enhanced stress tolerance in the face of global climate change. This paper presents a detailed methodology for assessing translation efficiency through polysome profiling in plants exposed to heat stress.
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