Kategorie: Biology
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Knorpel- und Knochenentwicklung Drei Wege führen zum Skelett
Bei Wirbeltieren entsteht das Skelett verschiedener Körperregionen aus unterschiedlichen Vorläuferzellen. Forschende der Universität Basel haben nun entdeckt, dass sich diese Skelettzellen nicht nur in ihrer Herkunft unterscheiden, sondern auch in ihrer Genregulation. Womöglich liegt darin ein Schlüssel zur evolutiven Erfolgsgeschichte der Wirbeltiere. Basel/Switzerland, 27. Maerz 2025. Vom Schädel bis zum Knochen des kleinen Zehs: Das…
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Amino acid profiles as biomarkers for muscle health in older people
The loss of muscle mass and strength poses an increasingly significant challenge for an ageing society. Prof. Kristina Norman’s team at the German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE) has now shown that amino acid profiles could serve as promising biomarkers for muscle health in older people. These findings could help identify people at increased…
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The power stations of the cell of Humans. Mitochidria – Molecular machines for efficient energy production
Mitochondria are the power stations in our cells. They produce the energy for all vital processes. Using cryo-electron tomography, researchers at the University of Basel have now gained insights into the architecture of mitochondria with unprecedented resolution. They discovered that the proteins responsible for energy production assemble into large ‘supercomplexes’. These supply the cell with…
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Neighborhood dispute among cells: whichever successfully exerts force wins
What applies on a small scale at cellular level or in the brain also applies on a large scale. If the relationship between organs and tissues inside the body is disturbed, then this trial of strength is also visible in reality, provided that it is possible to perceive the environment accordingly. The interpretation of the…
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The language of organs how faulty communication leads to disease
Changes in diet and the environment constantly pose new challenges to the human metabolism. Different organs and tissues work together in complex interactions to keep the metabolism in balance. The human body has a sophisticated system of inter-organ communication that allows cells to influence metabolic pathways in distant tissues. Dysregulation of these pathways contributes to…
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Insights into Evolutionary Dynamics: New Study Reveals the Evolution of Evolvability
• Evolvability and natural selection: Study shows how natural selection optimises genetic systems for future adaptations.• Hypermutable locus: Discovery of a locus that generates mutations 10,000 times faster and enables rapid adaptation.• Adaptation with foresight: Study shows how natural selection enables organisms to anticipate and adapt to future environmental changes. Ploen/Germany, February 20, 2025. A…