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24.11.2022

Structural basis of SNAPc-dependent snRNA transcription initiation by RNA polymerase II

Authors Rengachari S, Schilbach S, Kaliyappan T, Gouge J, Zumer K, Schwarz J, Urlaub H, Dienemann C, Vannini A, Cramer P Journal Nature Structural and Molecular Biology Citation Nat Struct Mol Biol. 2022 Nov 24. Abstract RNA polymerase II (Pol II) carries out transcription of both protein-coding and non-coding genes.
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23.11.2022

Regulation of the mammalian-brain V-ATPase through ultraslow mode-switching

Authors Kosmidis E, Shuttle CG, Preobraschenski J, Ganzella M, Johnson PJ, Veshaguri S, Holmkvist J, Møller MP, Marantos O, Marcoline F, Grabe M, Pedersen JL, Jahn R, Stamou D Journal Nature Citation Nature. 2022 Nov;611(7937):827-834. Abstract Vacuolar-type adenosine triphosphatases (V-ATPases)1,2,3 are electrogenic rotary mechanoenzymes structurally related to F-type ATP synthases4,5.
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21.11.2022

Structures of transcription preinitiation complex engaged with the +1 nucleosome

Authors Wang H, Schilbach S, Ninov M, Urlaub H, Cramer P Journal Nature Structural & Molecular Biology Citation Nat Struct Mol Biol. 2022 Nov 21. Abstract The preinitiation complex (PIC) assembles on promoters of protein-coding genes to position RNA polymerase II (Pol II) for transcription initiation. Previous structural studies revealed
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20.11.2022

Free-Breathing Myocardial T1 Mapping using Inversion-Recovery Radial FLASH and Motion-Resolved Model-Based Reconstruction

Authors Wang X, Rosenzweig S, Roeloffs V, Blumenthal M, Scholand N, Tan Z, Holme HCM, Unterberg-Buchwald C, Hinkel R, Uecker M Journal Magnetic Resonance in Medicine Citation Magn Reson Med. 2022 Nov 20. Abstract Purpose: To develop a free-breathing myocardial T1 mapping technique using inversion-recovery (IR) radial fast low-angle shot
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18.11.2022

Munc13 supports fusogenicity of non-docked vesicles at synapses with disrupted active zones

Authors Tan C, de Nola G, Qiao C, Imig C, Born RT, Brose N, Kaeser PS Journal eLife Citation eLife 11:e79077. Abstract Active zones consist of protein scaffolds that are tightly attached to the presynaptic plasma membrane. They dock and prime synaptic vesicles, couple them to voltage-gated Ca2+ channels, and
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16.11.2022

Somatic mosaicism in STAG2-associated cohesinopathies: Expansion of the genotypic and phenotypic spectrum

Authors Schmidt J, Dreha-Kulaczewski S, Zafeiriou MP, Schreiber MK, Wilken B, Funke R, Neuhofer CM, Altmüller J, Thiele H, Nürnberg P, Biskup S, Li Y, Zimmermann WH, Kaulfuß S, Yigit G, Wollnik B. Journal Frontiers in Cell and Developmental Biology Citation Front Cell Dev Biol. 2022 Nov 16;10:1025332. Abstract STAG2
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12.11.2022

Inflammation and vascular remodeling in COVID-19 hearts

Authors Werlein C, Ackermann M, Stark H, Shah HR, Tzankov A, Haslbauer JD, von Stillfried S, Bülow RD, El-Armouche A, Kuenzel S, Robertus JL, Reichardt M, Haverich A, Höfer A, Neubert L, Plucinski E, Braubach P, Verleden S, Salditt T, Marx N, Welte T, Bauersachs J, Kreipe HH, Mentzer SJ,
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10.11.2022

The 3D structure of lipidic fibrils of α-synuclein

Authors Frieg B, Antonschmidt L, Dienemann C, Geraets JA, Najbauer EE, Matthes D, de Groot BL, Andreas LB, Becker S, Griesinger C, Schröder GF Journal Nature Communications Citation Nat Commun. 2022 Nov 10;13(1):6810. Abstract α-synuclein misfolding and aggregation into fibrils is a common feature of α-synucleinopathies, such as Parkinson’s disease,
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10.11.2022

Focused ion beam-scanning electron microscopy links pathological myelin outfoldings to axonal changes in mice lacking Plp1 or Mag

Authors Steyer AM, Buscham TJ, Lorenz C, Hümmert S, Eichel-Vogel MA, Schadt LC, Edgar JM, Köster S, Möbius W, Nave KA, Werner HB Journal Glia Citation Glia. 2022 Nov 10. Abstract Healthy myelin sheaths consist of multiple compacted membrane layers closely encasing the underlying axon. The ultrastructure of CNS myelin
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09.11.2022

Generation of bright autobioluminescent bacteria by chromosomal integration of the improved lux operon ilux2

Authors Gregor C Journal Scientific Reports Citation Sci Rep. 2022 Nov 9;12(1):19039. Abstract The bacterial bioluminescence system enables the generation of light by living cells without the requirement of an external luciferin. Due to the relatively low light emission, many applications of bioluminescence imaging would benefit from an increase in
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