Search Results - "Losche, Mathias"
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A bacteriophage endolysin that eliminates intracellular streptococci
Published in eLife (15-03-2016)“…PlyC, a bacteriophage-encoded endolysin, lyses Streptococcus pyogenes (Spy) on contact. Here, we demonstrate that PlyC is a potent agent for controlling…”
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Neutron Reflectometry and Molecular Simulations Demonstrate HIV-1 Nef Homodimer Formation on Model Lipid Bilayers
Published in Journal of molecular biology (15-04-2023)“…[Display omitted] •HIV-1 Nef is essential for viral pathogenesis and often functions as a homodimer.•Neutron reflectometry revealed myristoylated Nef…”
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3
Uncovering a membrane-distal conformation of KRAS available to recruit RAF to the plasma membrane
Published in Proceedings of the National Academy of Sciences - PNAS (29-09-2020)“…The small GTPase KRAS is localized at the plasma membrane where it functions as a molecular switch, coupling extracellular growth factor stimulation to…”
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Optimization of reflectometry experiments using information theory
Published in Journal of applied crystallography (01-02-2019)“…A framework based on Bayesian statistics and information theory is developed to optimize the design of surface‐sensitive reflectometry experiments. The method…”
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Soluble Amyloid β-Oligomers Affect Dielectric Membrane Properties by Bilayer Insertion and Domain Formation: Implications for Cell Toxicity
Published in Biophysical journal (15-11-2008)“…It is well established that Alzheimer's amyloid β-peptides reduce the membrane barrier to ion transport. The prevailing model ascribes the resulting…”
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6
Single wall carbon nanotubes enter cells by endocytosis and not membrane penetration
Published in Journal of nanobiotechnology (30-09-2011)“…Carbon nanotubes are increasingly being tested for use in cellular applications. Determining the mode of entry is essential to control and regulate specific…”
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HIV-1 matrix-31 membrane binding peptide interacts differently with membranes containing PS vs. PI(4,5)P 2
Published in Biochimica et biophysica acta (01-12-2016)“…Efficient assembly of HIV-1 at the plasma membrane (PM) of the T-cell specifically requires PI(4,5)P . It was previously shown that a highly basic region (HBR)…”
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Structural characterization of membrane-bound human immunodeficiency virus-1 Gag matrix with neutron reflectometry
Published in Biointerphases (01-06-2017)“…The structural characterization of peripheral membrane proteins represents a tremendous challenge in structural biology due to their transient interaction with…”
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Membrane surface recognition by the ASAP1 PH domain and consequences for interactions with the small GTPase Arf1
Published in Science advances (01-09-2020)“…Adenosine diphosphate-ribosylation factor (Arf) guanosine triphosphatase-activating proteins (GAPs) are enzymes that need to bind to membranes to catalyze the…”
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Molecular-scale structural and functional characterization of sparsely tethered bilayer lipid membranes
Published in Biointerphases (01-03-2007)“…Surface-tethered biomimetic bilayer membranes (tethered bilayer lipid membranes (tBLMs)) were formed on gold surfaces from phospholipids and a synthetic…”
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Steering Molecular Dynamics Simulations of Membrane-Associated Proteins with Neutron Reflection Results
Published in Journal of chemical theory and computation (12-05-2020)“…We present a novel method to incorporate structural results from surface-sensitive scattering, such as X-ray or neutron reflectometry, into molecular dynamics…”
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12
Association of Model Neurotransmitters with Lipid Bilayer Membranes
Published in Biophysical journal (10-03-2020)“…Aimed at reproducing the results of electrophysiological studies of synaptic signal transduction, conventional models of neurotransmission are based on the…”
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13
Charge Effects Provide Ångström-Level Control of Lipid Bilayer Morphology on Titanium Dioxide Surfaces
Published in Langmuir (06-04-2021)“…Interfaces between molecular organic architectures and oxidic substrates are a central feature of biosensors and applications of biomimetics in science and…”
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14
A New Lipid Anchor for Sparsely Tethered Bilayer Lipid Membranes
Published in Langmuir (07-04-2009)“…Mixed self-assembled monolayers (SAMs) of β-mercaptoethanol and the new synthetic lipid 1,2-dipalmityl-3-[ω-mercaptonona(ethylene oxide)] glycerol (FC16) were…”
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Information gain from isotopic contrast variation in neutron reflectometry on protein–membrane complex structures
Published in Journal of applied crystallography (01-06-2020)“…A framework is applied to quantify information gain from neutron or X‐ray reflectometry experiments [Treece, Kienzle, Hoogerheide, Majkrzak, Lösche & Heinrich…”
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16
Structural and biophysical properties of farnesylated KRas interacting with the chaperone SmgGDS-558
Published in Biophysical journal (04-10-2022)“…KRas is a small GTPase and membrane-bound signaling protein. Newly synthesized KRas is post-translationally modified with a membrane-anchoring prenyl group…”
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Membrane Anchoring of Hck Kinase via the Intrinsically Disordered SH4-U and Length Scale Associated with Subcellular Localization
Published in Journal of molecular biology (17-04-2020)“…Src family kinases (SFKs) are a group of nonreceptor tyrosine kinases that are characterized by their involvement in critical signal transduction pathways…”
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Structure and Properties of Tethered Bilayer Lipid Membranes with Unsaturated Anchor Molecules
Published in Langmuir (09-07-2013)“…The self-assembled monolayers (SAMs) of new lipidic anchor molecule HC18 [Z-20-(Z-octadec-9-enyloxy)-3,6,9,12,15,18,22-heptaoxatetracont-31-ene-1-thiol] and…”
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Membrane Binding of HIV-1 Matrix Protein: Dependence on Bilayer Composition and Protein Lipidation
Published in Journal of virology (01-05-2016)“…By assembling in a protein lattice on the host's plasma membrane, the retroviral Gag polyprotein triggers formation of the viral protein/membrane shell. The MA…”
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Myr-Arf1 conformational flexibility at the membrane surface sheds light on the interactions with ArfGAP ASAP1
Published in Nature communications (21-11-2023)“…ADP-ribosylation factor 1 (Arf1) interacts with multiple cellular partners and membranes to regulate intracellular traffic, organelle structure and actin…”
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