Protocols in Current Issue
    Preparation of Doublet Microtubule Fraction for Single Particle Cryo-electron Microscopy
    Authors:  Corbin Black, Daniel Chen Dai, Katya Peri, Muneyoshi Ichikawa and Khanh Huy Bui, date: 06/05/2021, view: 236, Q&A: 0

    Over the years, studying the ultrastructure of the eukaryotic cilia/flagella using electron microscopy (EM) has contributed significantly toward our understanding of ciliary function. Major complexes in the cilia, such as inner and outer dynein arms, radial spokes, and dynein regulatory complexes, were originally discovered by EM. Classical

    Assembly and Imaging Set up of PIE-Scope
    [Abstract] Cryo-Electron Tomography (cryo-ET) is a method that enables resolving the structure of macromolecular complexes directly in the cellular environment. However, sample preparation for in situ Cryo-ET is labour-intensive and can require both cryo-lamella preparation through cryo-Focused Ion Beam (FIB) milling and correlative light microscopy ...
    Expression and Purification of Functionally Active Serotonin 5-HT2A Receptor in Insect Cells Using Low-titer Viral Stock
    [Abstract] The serotonin 5-HT2A receptor (5-HT2AR) is a member of the GPCR family that is important for various neurological functions and whose dysregulation causes many mental health disorders. Structural investigations of 5-HT2AR require the production of functionally active receptors expressed from eukaryotic cell ...
    Protocols for Processing and Interpreting cryoEM Data Using Bsoft: A Case Study of the Retinal Adhesion Protein, Retinoschisin
    Author:  J. Bernard Heymann, date: 01/20/2020, view: 2391, Q&A: 0
    [Abstract] The goal of cryoEM is to determine the structures of biomolecules from electron micrographs. In many cases the processing is straightforward and can be handled with routine protocols. In other cases, the properties and behavior of the specimen require adaptions to properly interpret the data. Here I describe the protocols for examining the higher ...
    Super-resolution Microscopy at Cryogenic Temperatures Using Solid Immersion Lenses
    [Abstract] Our mechanistic understanding of cell function depends on imaging biological processes in cells with molecular resolution. Super-resolution fluorescence microscopy plays a crucial role by reporting cellular ultrastructure with 20-30 nm resolution. However, this resolution is insufficient to image macro-molecular machinery at work. A path to ...

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