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http://dx.doi.org/10.1002/ar.1091690407 | DOI Listing |
JCI Insight
January 2025
Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, United States of America.
Obscurin is a giant protein that coordinates diverse aspects of striated muscle physiology. Obscurin immunoglobulin domains 58/59 (Ig58/59) associate with essential sarcomeric and Ca2+ cycling proteins. To explore the pathophysiological significance of Ig58/59, we generated the Obscn-ΔIg58/59 mouse model, expressing obscurin constitutively lacking Ig58/59.
View Article and Find Full Text PDFCells
December 2024
State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China.
The nucleus serves as a pivotal regulatory and control hub in the cell, governing numerous aspects of cellular functions, including DNA replication, transcription, and RNA processing. Therefore, any deviations in nuclear morphology, structure, or organization can strongly affect cellular activities. In this review, we provide an updated perspective on the structure and function of nuclear components, focusing on the linker of nucleoskeleton and cytoskeleton complex, the nuclear envelope, the nuclear lamina, and chromatin.
View Article and Find Full Text PDFCurr Top Med Chem
January 2025
Laboratório de Estudos Avançados de Microrganismos Emergentes e Resistentes (LEAMER), Departamento de Microbiologia Geral, Instituto de Microbiologia Paulo de Góes (IMPG), Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.
Background: Scedosporium apiospermum is a multidrug-resistant filamentous fungus that causes localized and disseminated diseases. Our group has previously described that metalbased complexes containing copper(II) or silver(I) ions complexed with 1,10-phenanthroline-5,6- dione (phendione) inhibited the viability of S. apiospermum conidial cells.
View Article and Find Full Text PDFSubcell Biochem
December 2024
School of Biomedical Sciences, The University of New South Wales, Sydney, NSW, Australia.
Electron microscopy (EM) techniques have been crucial for understanding the structure of biological specimens such as cells, tissues and macromolecular assemblies. Viruses and related viral assemblies are ideal targets for structural studies that help to define essential biological functions. Whereas conventional EM methods use chemical fixation, dehydration, and staining of the specimens, cryogenic electron microscopy (cryo-EM) preserves the native hydrated state.
View Article and Find Full Text PDFSci Rep
December 2024
United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Saiwai-cho, Fuchu, Tokyo, 183-8509, Japan.
Brown rot fungi, the major decomposers in the boreal coniferous forests, cause a unique wood decay pattern but many aspects of brown rot decay mechanisms remain unclear. In this study, decayed wood samples were prepared by cultivation of the brown rot fungi Gloeophyllum trabeum and Coniophora puteana on Japanese coniferous wood of Cryptomeria japonica, and the cutting planes were prepared using broad ion beam (BIB) milling, which enables observation of intact wood, in addition to traditional microtome sections. Samples were observed using field-emission SEM revealing that areas inside the end walls of ray parenchyma cells were the first to be degraded.
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