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The Observation of Meiotic Union Behavior of Gametophytes Provides a New Basis for Ploidy of .
Animals (Basel)
January 2025
Key Laboratory of Applied Biology and Aquaculture of Fish in Northern Liaoning Province, PRC, Dalian Ocean University, Dalian 116023, China.
As an important aquaculture fish, the genus Carassius exhibits different ploidy, including tetraploids and hexaploids [...
View Article and Find Full Text PDFLINE1 elements at distal junctions of rDNA repeats regulate nucleolar organization in human embryonic stem cells.
Genes Dev
December 2024
Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario M5T 3H7, Canada;
The nucleolus is a major subnuclear compartment where ribosomal DNA (rDNA) is transcribed and ribosomes are assembled. In addition, recent studies have shown that the nucleolus is a dynamic organizer of chromatin architecture that modulates developmental gene expression. rDNA gene units are assembled into arrays located in the p-arms of five human acrocentric chromosomes.
View Article and Find Full Text PDFThe first record of a European black fly, Simulium ichnusae Rivosecchi & Contini, is documented for Africa, where it was found at elevations above 1000 m in the Djurdjura Mountains of Algeria. Considered an endemic species of Sardinia for 60 years, S. ichnusae must now be regarded as pseudoendemic.
View Article and Find Full Text PDFEstablishment and characterization of the Cuvier's beaked whale (Ziphius cavirostris) myogenic cell line.
Res Vet Sci
January 2025
Department of Comparative Biomedicine and Food Science, University of Padova, Legnaro, PD, Italy.
Article Synopsis
- This study presents a novel in vitro muscle-derived cell line from a stranded male Cuvier's Beaked whale, facilitating research on its myogenic cells.
- The characterization involved various assays that assessed growth rate, fusion index, and chromosomal analysis, showing the cells' capability to fuse into multinucleated myotubes over time.
- The findings highlight the potential of this whale cell line for understanding cetacean muscle physiology and assessing the impacts of water pollutants through in vitro models.
Anti-NOR90 antibodies and their clinical significance: a multicenter experience in southern Spain.
Rev Clin Esp (Barc)
January 2025
Servicio de Medicina Interna, Unidad de Enfermedades Autoinmunes Sistémicas, Hospital Universitario Clínico San Cecilio, Granada, Spain.
Introduction: Anti-NOR90 antibodies were initially described in patients with autoimmune diseases based on staining of a nucleolar region known as the nucleolar organizer region (NOR). This study aims to explore the clinical aspects of anti-NOR90 antibodies in patients with systemic autoimmune diseases.
Methods: Observational study of patients with positive anti-NOR90 antibodies using the EUROLINE Systemic Sclerosis profile (IgG) kit (Euroimmun, Germany).
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