Ion Transport Activity Assay for Microbial Rhodopsin Expressed in Escherichia coli Cells
    Authors:  Masae Konno, Keiichi Inoue and Hideki Kandori, date: 08/05/2021, view: 43, Q&A: 0

    Microbial rhodopsins have diverse functions, including roles as light-driven ion pumps, light-gated ion channels, photosensors, and light-regulated enzymes. As the number of rhodopsin-like genes identified has increased in recent years, so has the

    Purification and Cryo-electron Microscopy Analysis of Plant Mitochondrial Ribosomes
    Authors:  Florent Waltz, Philippe Giegé and Yaser Hashem, date: 08/05/2021, view: 19, Q&A: 0

    Plants make up by far the largest part of biomass on Earth. They are the primary source of food and the basis of most drugs used for medicinal purposes. Similarly to all eukaryotes, plant cells also use mitochondria for energy production. Among

    Purification of Mitochondrial Ribosomes with the Translocase Oxa1L from HEK Cells
    Authors:  Hanting Yang and Nirupa Desai, date: 08/05/2021, view: 48, Q&A: 0

    Mitochondrial ribosomes (mitoribosomes) perform protein synthesis inside mitochondria, the organelles responsible for energy conversion and adenosine triphosphate (ATP) production in eukaryotic cells. To investigate their functions and structures,

    Cell-attached and Whole-cell Patch-clamp Recordings of Dopamine Neurons in the Substantia Nigra Pars Compacta of Mouse Brain Slices
    Authors:  Stefano Cattaneo, Maria Regoni, Jenny Sassone and Stefano Taverna, date: 08/05/2021, view: 17, Q&A: 0

    The Substantia Nigra pars compacta (SNc) is a midbrain dopaminergic nucleus that plays a key role in modulating motor and cognitive functions. It is crucially involved in several disorders, particularly Parkinson’s disease, which is

    Modeling Perturbations in Protein Filaments at the Micro and Meso Scale Using NAMD and PTools/Heligeom
    Authors:  Benjamin Boyer, Benoist Laurent, Charles H. Robert and Chantal Prévost, date: 07/20/2021, view: 1131, Q&A: 0

    Protein filaments are dynamic entities that respond to external stimuli by slightly or substantially modifying the internal binding geometries between successive protomers. This results in overall changes in the filament architecture, which are

    A Multi-color Bicistronic Biosensor to Compare the Translation Dynamics of Different Open Reading Frames at Single-molecule Resolution in Live Cells
    Authors:  Amanda L. Koch, Tatsuya Morisaki and Timothy J. Stasevich, date: 07/20/2021, view: 859, Q&A: 0

    Here, we describe how to image and quantitate the translation dynamics of a bicistronic biosensor that we recently created to fairly compare cap-dependent and IRES-mediated translation at single-molecule resolution in live human cells. This

    Method for Rapid Enzymatic Cleaning for Reuse of Patch Clamp Pipettes: Increasing Throughput by Eliminating Manual Pipette Replacement between Patch Clamp Attempts

    The whole-cell patch-clamp method is a gold standard for single-cell analysis of electrical activity, cellular morphology, and gene expression. Prior to our discovery that patch-clamp pipettes could be cleaned and reused, experimental throughput and

    Spatiotemporal Quantification of Cytosolic pH in Arabidopsis Pollen Tubes
    Authors:  Maria Teresa Portes, Daniel S.C. Damineli and José A. Feijó, date: 07/20/2021, view: 533, Q&A: 0

    Ion-specific probes and fluorescent indicators have been key in establishing the role of ion signaling, namely calcium, protons, and anions, in plant development, providing a robust approach for monitoring spatiotemporal changes in intracellular ion

    Electron Tomography to Study the Three-dimensional Structure of the Reovirus Egress Pathway in Mammalian Cells

    Mammalian orthoreoviruses (reoviruses) are nonenveloped, double-stranded RNA viruses that replicate and assemble in cytoplasmic membranous organelles called viral inclusions (VIs). To define the cellular compartments involved in nonlytic reovirus

    Building a Total Internal Reflection Microscope (TIRF) with Active Stabilization (Feedback SMLM)
    Authors:  Simao Coelho, Jongho Baek, J. Justin Gooding and Katharina Gaus, date: 07/05/2021, view: 1585, Q&A: 0

    The data quality of high-resolution imaging can be markedly improved with active stabilization, which is based on feedback loops within the microscope that maintain the sample in the same location throughout the experiment. The purpose is to provide


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