2021

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25.03.2021

Colocalization for super-resolution microscopy via optimal transport

Authors Tameling C, Stoldt S, Stephan T, Naas J, Jakobs S, Munk A Journal Nature Computational Science Citation Nat Comput Sci 1, 199–211 (2021). Abstract Super-resolution fluorescence microscopy is a widely used technique in cell biology. Stimulated emission depletion (STED) microscopy enables the recording of multiple-color images with subdiffraction resolution.
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23.03.2021

Molecular Profiling Reveals Involvement of ESCO2 in Intermediate Progenitor Cell Maintenance in the Developing Mouse Cortex

Authors Ulmke PA, Sakib MS, Ditte P, Sokpor G, Kerimoglu C, Pham L, Xie Y, Mao X, Rosenbusch J, Teichmann U, Nguyen HP, Fischer A, Eichele G, Staiger JF, Tuoc T Journal Stem Cell Reports Citation Stem Cell Reports. 2021 Mar 23:S2213-6711(21)00138-7. Abstract Intermediate progenitor cells (IPCs) are neocortical neuronal
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23.03.2021

RIM-binding proteins are required for normal sound-encoding at afferent inner hair cell synapses

Authors Krinner S, Predoehl F, Burfeind D, Vogl C, Moser T Journal Frontiers in Molecular Neuroscience Citation Front. Mol. Neurosci. 14:651935. Abstract The afferent synapses between inner hair cells (IHC) and spiral ganglion neurons are specialized to faithfully encode sound with sub-millisecond precision over prolonged periods of time. Here, we
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23.03.2021

Multiscale photonic imaging of the native and implanted cochlea

Authors Keppeler D, Kampshoff C, Thirumalai A, Duque-Afonso CJ, Schaeper J, Quilitz T, Töpperwien M, Vogl C, Hessler R, Meyer A, Salditt T, Moser T Journal PNAS Citation PNAS May 4, 2021 118 (18) e2014472118. Abstract The cochlea of our auditory system is an intricate structure deeply embedded in the
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22.03.2021

Origins and mechanisms leading to aneuploidy in human eggs

Authors Wartosch L, Schindler K, Schuh M, Gruhn JR, Hoffmann ER, McCoy RC, Xing J Journal Prenatal Diagnosis Citation Prenatal Diagnosis. 2021;1–11. Abstract The gain or loss of a chromosome—or aneuploidy—acts as one of the major triggers for infertility and pregnancy loss in humans. These chromosomal abnormalities affect more than
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Dr. Sebastian Jähne, Postdoctoral researcher at the Institute of Neuro- and Sensory Physiology, UMG, is first author of the Cell Reports publication. Photo: S. Jähne

18.03.2021

How synapses maintain their activity despite ageing

Scientists of the Göttingen Cluster of Excellence Multiscale Bioimaging (MBExC) and the Collaborative Research Center 1286, University Medical Center Göttingen and Max Planck Institute for Dynamics and Self-Organization uncover a link between protein turnover and synaptic activity. Published in Cell Reports. Link to the press release
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Legend to the graphic: Newly made proteins incorporate a label consisting of the essential amino acid leucine containing the rare nitrogen isotope 15N. This label allows the detection of newly made proteins in individual synapses by imaging mass spectrometry. The activity of the same synapses was determined with fluorescence microscopy. These combined measurements confirmed the model prediction that synaptic boutons have a demand-dependent supply of synaptic vesicles: more active presynapses have more newly made synaptic proteins. This correlation was disrupted by chronic activation or inhibition of synaptic activity. (Graphic: Cell Reports/ Sebastian Jähne, UMG)

18.03.2021

How synapses maintain their activity despite ageing

Scientists of the Göttingen Cluster of Excellence Multiscale Bioimaging (MBExC) and the Collaborative Research Center 1286, University Medical Center Göttingen and Max Planck Institute for Dynamics and Self-Organization uncover a link between protein turnover and synaptic activity. Published in Cell Reports. (mbexc/umg) Synapses, the communication sites between nerve cells, are
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18.03.2021

Sequence determinants of human gene regulatory elements

Authors Sahu B, Hartonen T, Pihlajamaa P, Wie B, Dave K, Zhu F, Kaasinen E, Lidschreiber K, Lidschreiber M, Daub CO, Cramer P, Kivioja T, Taipale J Journal bioRxiv Citation bioRxiv 2021.03.18.435942. Abstract DNA determines where and when genes are expressed, but the full set of sequence determinants that control
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Michael Weber, Prof. Dr. Stefan Hell, and Dr. Marcel Leutenegger (from left)© Irene Böttcher-Gajewski / Max Planck Institute for Biophysical Chemistry

17.03.2021

MINSTED resolves fluorescent molecules with resolution at the nanometer scale

Scientists working with MBExC member Stefan Hell at the Max Planck Institute (MPI) for Biophysical Chemistry in Göttingen and the Heidelberg-based MPI for Medical Research have developed another light microscopy method, called MINSTED, which resolves fluorescently labeled details with molecular sharpness. With MINSTED, Nobel laureate Hell has come full circle.
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17.03.2021

MPV17 Mutations Are Associated With a Quiescent Energetic Metabolic Profile

Authors Jacinto S, Guerreiro P, de Oliveira RM, Cunha-Oliveira T, Santos MJ, Grazina M, Rego AC, Outeiro TF Journal Frontiers in Cellular Neuroscience Citation Front Cell Neurosci. 2021 Mar 17;15:641264. Abstract Mutations in the MPV17 gene are associated with hepatocerebral form of mitochondrial depletion syndrome. The mechanisms through which MPV17
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