piwik-script

Intern
    THE SEIBEL GROUP: ORGANIC AND BIOLOGICAL CHEMISTRY

    2023-2014

    Angela Münch, Lorenz Weihrich, Niclas Knoblauch and Prof. Dr. Jürgen Seibel

    Employing Click Chemistry to Expand the Scope of the Metal-Free Donor-Acceptor Type Photocatalyst 4CzIPN

    Eur. J. Org. Chem. 2023, e202300279

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    Daniela Brenner, Nina Geiger, Jan Schlegel, Viktoria Diesendorf, Louise Kersting, Julian Fink, Linda Stelz, Sibylle Schneider-Schaulies, Markus Sauer, Jochen Bodem, Jürgen Seibel

    Azido-Ceramides, a Tool to Analyse SARS-CoV-2 Replication and Inhibition—SARS-CoV-2 Is Inhibited by Ceramides

    Int. J. Mol. Sci. 2023, 24(8), 7281

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    Jürgen Mut, Stephan Altmann, Sabine Reising, Jutta Meißner-Weigl, Marc D. Driessen, Regina Ebert, Jürgen Seibel

    SiaNAl can be efficiently incorporated in glycoproteins of human mesenchymal stromal cells by metabolic glycoengineering

    ACS Biomater. Sci. Eng. 2023

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    Ahmed M. Sayed, Alyaa Hatem Ibrahim, Nasir Tajuddeen, Jürgen Seibel, Jochen Bodem, Nina Geiger, Kathrin Striffler, Gerhard Bringmann, Usama Ramadan Abdelmohsen

    Korupensamine A, but not its atropisomer, korupensamine B, inhibits SARS-CoV-2 in vitro by targeting its main protease (Mpro)

    Eur. J. Med. Chem. 2023, 251, 115226

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    Christine Sternstein, Jan Schlegel, Markus Sauer, Jürgen Seibel

    Bioorthogonal azido-S1P works as substrate for S1PR1,

    J. Lipid Res. 2023, 64 (1), 100311 

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    Nina Geiger, Louise Kersting, Jan Schlegel, Linda Stelz, Sofie Fähr, Viktoria Diesendorf, Valeria Roll, Marie Sostmann, Eva-Maria König, Sebastian Reinhard, Daniela Brenner, Sibylle Schneider-Schaulies, Markus Sauer, Jürgen Seibel and Jochen Bodem

    The Acid Ceramidase Is a SARS-CoV-2 Host Factor,

    Cells 202211(16), 2532

    Die Zellen in der oberen Reihe wurden mit dem Fluoxetin-ähnlichen Molekül AKS466 behandelt und danach mit SARS-CoV-2 infiziert. Die Zellen unten wurden nur infiziert; in ihnen ist deutlich mehr virale RNA nachweisbar (hellere Punkte).

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    Sascha Eder, Claudia Hollmann, Putri Mandasari, Pia Wittmann, Fabian Schumacher , Burkhard Kleuser, Julian Fink, Jürgen Seibel, Jürgen Schneider-Schaulies, Christian Stigloher, Niklas Beyersdorf and Sofia Dembski

    Synthesis and Characterization of Ceramide-Containing Liposomes as Membrane Models for Different T Cell Subpopulations,

    J. Funct. Biomater. 202213(3), 111

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    Sibylle Schneider-Schaulies, Fabian Schumacher, Dominik Wigger, Marie Schöl, Trushnal Waghmare, Jan Schlegel, Jürgen Seibel and Burkhard Kleuser

    Sphingolipids: Effectors and Achilles Heals in Viral Infections?,

    Cells 202110(9), 2175

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    Marco R. Rink, Marisa A. P. Baptista, Felix J. Flomm, Thomas Hennig, Adam W. Whisnant, Natalia Wolf, Jürgen Seibel, Lars Dölken, Jens B. Bosse

    Concatemeric Broccoli reduces mRNA stability and induces aggregates,

    PLoS ONE 2021, 16(8), e0244166

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    Jürgen Seibel, Sibylle Schneider-Schaulies and Burkhard Kleuser

    Editorial: Sphingolipids in Infection Control,

    Front. Cell Dev. Biol. 20219, 697290

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    Florian Pinzner, Thorsten Keller, Jürgen Mut, Julian Bechold, Jürgen Seibel and Jürgen Groll

    Polyoxazolines with a Vicinally Double-Bioactivated Terminus for Biomacromolecular Affinity Assessment,

    Sensors 202121(9), 3153

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    Melissa Zimniak, Luisa Kirschner, Helen Hilpert, Nina Geiger, Olga Danov, Heike Oberwinkler, Maria Steinke, Katherina Sewald, Jürgen Seibel and Jochen Bodem

    The serotonin reuptake inhibitor Fluoxetine inhibits SARS-CoV-2 in human lung tissue,

    Sci. Rep. 2021, 11, 5890

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    Stephan Altmann, Jürgen Mut, Natalia Wolf, Jutta Meißner-Weigl, Maximilian Rudert, Franz Jakob, Marcus Gutmann, Tessa Lühmann, Jürgen Seibel and Regina Ebert

    Metabolic Glycoengineering in hMSC-TERT as a Model for Skeletal Precursors by Using Modified Azide/Alkyne Monosaccharides,

    Int. J. Mol. Sci. 202122(6), 2820

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    S. Peters, L. Kaiser, J. Fink, F. Schumacher, V. Perschin, J. Schlegel, M. Sauer, C. Stigloher, B. Kleuser, J. Seibel and A. Schubert-Unkmeir

    Click-correlative light and electron microscopy (click-AT-CLEM) for imaging and tracking azido-functionalized sphingolipids in bacteria,

    Sci. Rep. 2021, 11, 1-12.

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    Julian Fink, Fabian Schumacher, Jan Schlegel, Philipp Stenzel, Dominik Wigger, Markus Sauer, Burkhard Kleuser, and Jürgen Seibel

    Azidosphinganine enables metabolic labeling and detection of sphingolipid de novo synthesis,

    Org. Biomol. Chem., 2021

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    Teresa Wiese, Fabio Dennstädt, Claudia Hollmann, Saskia Stonawski, Catherina Wurst, Julian Fink, Erika Gorte1, Putri Mandasari, Katharina Domschke, Leif Hommers, Bernard Vanhove, Fabian Schumacher10, Burkhard Kleuser, Jürgen Seibel, Jan Rohr, Mathias Buttmann, Andreas Menke, Jürgen Schneider- Schaulies, Niklas Beyersdorf

    Inhibition of acid sphingomyelinase increases regulatory T cells in humans

    Brain Communications, 2021,, fcab020, https://doi.org/10.1093/braincomms/fcab020

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    Ralph Götz, Tobias Kunz, Julian Fink, Franziska Solger, Jan Schlegel, Jürgen Seibel, Vera Kozjak-Pavlovic, Thomas Rudel, Markus Sauer

    Nanoscale imaging of bacterial infections by sphingolipid expansion microscopy

    Nat Commun 2020, 11, 6173

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    Fink J., Seibel J., Avota E. 

    Detection of Functionalized Sphingolipid Analogs in Detergent-Resistant Membranes of Immune Cells

    In: Bieberich E. (eds) Lipid Rafts. Methods in Molecular Biology, vol 2187. Humana, New York, NY

     

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    N. Wolf, L. Kersting, C. Herok, C. Mihm, J. Seibel

    High Yielding Water-Soluble Asymmetric Cyanine Dyes for Labeling Applications

    J. Org. Chem.. 2020, 85, 9751–9760.

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    P.J. Smith, M.E. Ortiz-Soto, C. Roth, W. J. Barnes, J. Seibel, B. R. Urbanowicz, F. Pfrengle

    Enzymatic Synthesis of Artificial Polysaccharides

    ACS Sustainable Chem. Eng. 2020, 32, 11853–11871.

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    K. Rajeeve, N. Vollmuth, S. Janaki-Raman, T. Wulff, M. Schmalhofer, W. Schmitz, A. Baluapuri, C. Huber, J. Fink, F. R. Dejure, E. Wolf, W. Eisenreich, A. Schulze, J. Seibel, T. Rudel

    Reprogramming of host glutamine metabolism during Chlamydia trachomatis infection and its key role in peptidoglycan synthesis

    Nature Microbiology 2020, 5, 1390–1402.

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    ME Ortiz-Soto, JR Porras-Domínguez, ME Rodríguez-Alegría, LA Morales-Moreno, A Díaz-Vilchis, E Rudiño-Piñera, NE Beltrán-Hernandez, HM Rivera, J Seibel, A López Munguía

    Implications of the mutation S164A on Bacillus subtilis levansucrase product specificity and insights into protein interactions acting upon levan synthesis

    Int. J. Biol. Macromolecules 2020, 161, 898-908.

     

     

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    F. Solger, T. C. Kunz, J. Fink, F. Schumacher, K. Paprotka, P. Pfister, F. Hagen, B. Kleuser, J. Seibel, T. Rudel

    A role of sphingosine in the intracellular survival of Neisseria gonorrhoeae

    Front. Cell. Infect. Microbiol. 2020, 10250, doi.10.3389/fcimb.2020.00215

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    Judith Lang, Patrick Bohn, Hilal Bhat, Holger Jastrow, Bernd Walkenfort, Feyza Cansiz, Julian Fink, Michael Bauer, Dominik Olszewski, Ana Ramos-Nascimento, Vikas Duhan, Sarah-Kim Friedrich, Katrin Anne Becker, Adalbert Krawczyk, Michael J. Edwards, Andreas Burchert, Magdalena Huber, Justa Friebus-Kardash, Joachim R. Göthert, Cornelia Hardt, Hans Christian Probst, Fabian Schumacher, Karl Köhrer, Burkhard Kleuser, Eduard B. Babiychuk, Beate Sodeik, Jürgen Seibel, Urs F. Greber, Philipp A. Lang, Erich Gulbins & Karl S. Lang

    Acid ceramidase of macrophages traps herpes simplex virus in multivesicular bodies and protects from severe disease

    Nat Commun 2020, 11, 1338doi:10.1038/s41467-020-15072-8

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    M. E. Ortiz-Soto, S. Reising, A. Schlosser, J. Seibel

    Structural and functional role of disulphide bonds and substrate binding residues of the human beta-galactoside alpha-2,3-sialyltransferase 1 (hST3Gal1)

    Sci Rep 2019, 9, 17993, doi:10.1038/s41598-019-54384-8

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    C. Hollmann, T. Wiese, F. Dennstädt, J. Fink, J. Schneider-Schaulies, N. Beyersdorf

    Translational Approaches Targeting Ceramide Generation From Sphingomyelin in T Cells to Modulate Immunity in Humans

    Fron. Immunol. 2019https://doi.org/10.3389/fimmu.2019.02363.

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    T Wiese, F Dennstaedt, C Hollmann, S Stonawski, C Wurst, J Fink, J Seibel, J Rohr, M Buttmann, A Menke, J Schneider-Schaulies, N Beyersdorf

    CD4+ Foxp3+ regulatory T cell-mediated immunomodulation by pharmacological inhibition of the acid sphingomyelinase in humans

    EUROPEAN JOURNAL OF IMMUNOLOGY  2019, 49, 283.

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    V. Merz,  J. Lenhart,  Y. Vonhausen,  M. E. Ortiz‐Soto,  J. Seibel,  A. Krueger

    Nanodiamond with Superior Protein Repulsion and Colloidal Stability in Physiological Media

    Small  2019, 15(48):e1901551. doi: 10.1002/smll.201901551.

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    G. Beliu, A. Kurz, A. Kuhlemann, L. Behringer-Pliess, N. Wolf, J. Seibel, Zhen-Dan Shi, M. Schnermann, J. B. Grimm, L. D. Lavis, S. Doose, M. Sauer

    Bioorthogonal labeling with tetrazine-dyes for super-resolution microscopy

    Commun Biol. 2019, 2, 261. doi: 10.1038/s42003-019-0518-z. eCollection 2019.

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    M. E. Ortiz-Soto, J.R. Porras-Domínguez, J. Seibel, A. López-munguía

    A close look at the structural features and reaction conditions that modulate the synthesis of low and high molecular weight fructans by levansucrases

    Carbohydrat Polymers 2019, 219, 130-142.

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    C. Possiel, M. E. Ortiz-Soto, J. Ertl, A. Münch, A. Vogel, R. Schmiedel, J. Seibel

    Exploring the sequence variability of polymerization-involved residues in the production of levan- and inulin-type fructooligosaccharides with a levansucrase

    Scientific Reports 2019, 9, 7720.

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    L. Irsheid, T. Wehler, C. Borek, W. Kiefer, R. Brenk, M. E. Ortiz-Soto, J. Seibel, T. Schirmeister

    Identification of a potential allosteric site of Golgi α-mannosidase II using computer-aided drug design

    PLoS ONE  2019, 14 (5), e0216132.

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    J. Ertl, M. E. Ortiz-Soto, T. A. Le, J. Bechold, J. Shan, J. Teßmar, B. Engels, J. Seibel

    Tuning the product spectrum of a glycoside hydrolase enzyme by a combination of site‐directed mutagenesis and tyrosine‐specific chemical modification

    Chemistry - A European Journal 2019, 25, 6533-6541.

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    M. Gutmann, J. Bechold, J. Seibel, L. Meinel, T. Lühmann

    Metabolic glycoengineering of cell derived matrices and cell surfaces – a combination of key principles and step-to-step procedures

    ACS Biomater. Sci. Eng.  2019, 5 (1), 215–233.

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    D. Kaiser, J. M. Winne, M. E. Ortiz-Soto, J. Seibel, T. Anh Le, B. Engels

    Mechanistical insights into the bioconjugation
reaction of Triazolinediones with tyrosine

    J. Org. Chem. 2018, 83, 10248–10260.

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    M. Kraus, C. Grimm, J. Seibel

    Reversibility of a Point Mutation Induced Domain Shift: Expanding the Conformational Space of a Sucrose Phosphorylase

    Scientific Reports  2018, 8, 10490.

     

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    M. E. Ortiz-Soto, J. Ertl, J. Mut, J. Adelmann, T. A. Le, J. Shan, J. Teßmar, A. Schlosser, B. Engels, J. Seibel

    Product-oriented chemical surface modification of a levansucrase (SacB) via an ene-type reaction 

    Chem. Sci.  2018, 9, 5312-5321.

     

     

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    J. Fink, J. Seibel

    Click reactions with functional Sphingolipids

    Biol. Chem. 2018399(10), 1157-1168.

     

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    M. Gutmann, A. Braun, J. Seibel, T. Lühmann

    Bioorthogonal modification of cell derived matrices by metabolic glyco-engineering

    ACS Biomaterials Science & Engineering 2018, 4, 1300-1306.

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    J. Seibel, C. Grimm, J. Bechold

    Mit Zucker gegen Bösartiges

    Nachrichten aus der Chemie 2018, 66 (1), 30-31.

     


    J. Becam, T. Walter, A. Burgert, J. Schlegel, M. Sauer, J. Seibel, A. Schubert-Unkmeir

    Antibacterial activity of ceramide and ceramide analogs against pathogenic Neisseria

    Scientific Reports 2017, 7, Article number: 17627 (2017)

     

     

     

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    M. Kraus, C. Grimm, J. Seibel

    Switching enzyme specificity from phosphate to resveratrol glucosylation

    Chem. Commun. 2017, 53, 12181 - 12184.


     

    C. Possiel, A. Bäuerle, J. Seibel

    A novel Chemoenzymatic route to a new class of Sucrose esters

    Eur. J. Org. Chem. 2017, 6335–6337.


    ­­J. Görl, C. Possiel, C. Sotriffer, J. Seibel,

    Extending the Scope of GTFR Glucosylation Reactions with Tosylated Substrates for Rare Sugars Synthesis

    ChemBioChem 201718, 2012-2015.

     

     


    M. Elena Ortiz-Soto, C. Possiel, J. Görl, A. Vogel, R. Schmiedel, J. Seibel

    Impaired coordination of nucleophile and increased hydrophobicity in the +1 subsite shift levansucrase activity towards transfructosylation

    Glycobiology 201727, 755-765.

     


     

    N. Bertleff-Zieschang, J. Bechold, C. Grimm, M. Reutlinger, P. Schneider, G. Schneider, J. Seibel

    Exploring the structural space of galectin-1-ligand interaction

    ChemBioChem 2017, 18, 1477-1481.

     


    T. Walter,  J. Schlegel,  A. Burgert, A. Kurz,  J. Seibel and M. Sauer

    Incorporation studies of clickable ceramides in Jurkat cell plasma membranes

    Chem. Commun2017, 53, 6836-6839.


     


    M. Ortiz-Soto, J. Seibel

    Molecular Engineering of Enzymes
    Applied Bioengineering: Innovations and Future Directions 2017


    Stephan Wawra, Philipp Fesel, Heidi Widmer, Malte Timm, Jürgen Seibel, Lisa Leson, Leona Kesseler, Robin Nostadt, Magdalena Hilbert, Gregor Langen & Alga Zuccaro
    The fungal-specific β-glucan-binding lectin FGB1 alters cell-wall composition and suppresses glucan-triggered immunity in plants
    Nat. Commun. 2016, 7, 13188.

     


    A. Mertsch, S. Letschert, E. Memmel, M. Sauer, J. Seibel
    Synthesis and application of water soluble, photoswitchable cyanine dyes for bioorthogonal labeling of cell-surface carbohydrates
    Biosciences – Zeitschrift für Naturforschung C 2016, 71, 347–354.

     


    J. Seibel
    ZNC opens a new chapter focussing on the emerging field of natural and natural-like compounds
    Biosciences – Zeitschrift für Naturforschung C 2016, 71, 93

     


    M. Ortiz-Soto, J. Seibel
    From gene to product: tailor-made oligosaccharides and polysaccharides by enzyme and substrate engineering
    Carbohydrate-Modifying Biocatalysts 2016, 535

     


    T. Walter, L. Collenburg, L. Japtok, B. Kleuser, S. Schneider-Schaulies, N. Müller, J. Becam, A. Schubert-Unkmeir, J. N. Konge, E. Bieberich and J. Seibel
    Incorporation and visualization of azido-functionalized N-oleoyl serinol in Jurkat cells, mouse brain astrocytes, 3T3 fibroblasts and human brain microvascular endothelial cells
    Chem. Commun. 2016, 52, 8612-8614


     


    M. Ortiz-Soto, J. Seibel
    Expression of Functional Human Sialyltransferases ST3Gal1 and ST6Gal1 in Escherichia coli
    PLoS One 2016,  11, e0155410.

     


    L. Collenburg, T. Walter, A. Burgert, N. Müller, J. Seibel, L. Japtok, B. Kleuser, M. Sauer, S. Schneider-Schaulies
    A Functionalized Sphingolipid Analogue for Studying Redistribution during Activation in Living T Cells
    J. Immunol. 2016, 196, 3951-3962.

     


    M. Kraus, J. Görl, M. Timm, J. Seibel
    Synthesis of the rare disaccharide nigerose by structure-based design of a phosphorylase mutant with altered regioselectivity
    Chem. Commun. 2016, 52, 4625-4627.

     


    M. Gutmann, E. Memmel, A. Braun, J. Seibel, L. Meinel, T. Lühmann
    Biocompatible azide alkyne"click" reactions for surface decoration of glyco-engineered cells


    ChemBioChem 2016, 17, 866-875. 


    M. Kraus, C. Grimm, J. Seibel
    Redesign of the active site of sucrose phosphorylase by a clash induced cascade of loop shifts


    ChemBioChem 2016, 17, 33–36.


    C. Fleck, E. Memmel, M. Fölsing, B. Poll, T. Hackl, J. Seibel, W. Maison
    Synthesis and evaluation of neoglycoconjugates based on adamantyl scaffolds.
    Eur. J. Org. Chem. 2015, 8, 1696–1710.


    E. Memmel, J. Seibel
    Metabolic Engineering of Bacteria.
    in Proceedings of the 3rd Beilstein Glyco-Bioinformatics Symposium 2013 (Herausgeber M. G. Hicks, C. Kettner, P. Seeberger)
    Beilstein Institut, Frankfurt/Main 2014, 1-9.


    D. Claes, E. Memmel, M. Holzapfel, J. Seibel, W. Maison
    High-Affinity Carbohydrate Binding by Trimeric Benzoboroxoles Measured on Carbohydrate Arrays.


    ChemBioChem 2014, 15, 2450–2457.


    S. Letschert, A. Göhler, C. Franke, N. Bertleff-Zieschang, E. Memmel, S. Doose, J. Seibel, M. Sauer
    Super-Resolution Imaging of Plasma Membrane Glycans.
    Angew. Chem. Int. Ed. 2014, 53(41), 10921–10924.


    U. T. Bornscheuer, K. Buchholz, J. Seibel
    Enzymatic degradation of (ligno-)celluloses.
    Angew. Chem. Int. Ed. 2014, 53(41), 10876–10893.


    S. Bank, E. Heller, E. Memmel, J. Seibel, U. Holzgrabe, P. Kapková
    Matrix-assisted laser desorption/ionization tandem mass spectrometry of N-glycans derivatized with isonicotinic hydrazide and its biotinylated form.
    Rapid Commun. Mass Spectrom. 2014, 28(15), 1745–1756.

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    M. E. Ortiz-Soto, J. Seibel
    Biotechnological Synthesis and Transformation of Valuable Sugars in the Food and Pharmaceutical Industry.
    Current Organic Chemistry 2014, 18, 964–986.