Journal: Science / Year: 2016 Title: Visualizing the molecular sociology at the HeLa cell nuclear periphery. Authors: Julia Mahamid / Stefan Pfeffer / Miroslava Schaffer / Elizabeth Villa / Radostin Danev / Luis Kuhn Cuellar / Friedrich Förster / Anthony A Hyman / Jürgen M Plitzko / Wolfgang Baumeister / Abstract: The molecular organization of eukaryotic nuclear volumes remains largely unexplored. Here we combined recent developments in cryo-electron tomography (cryo-ET) to produce three-dimensional snapshots ...The molecular organization of eukaryotic nuclear volumes remains largely unexplored. Here we combined recent developments in cryo-electron tomography (cryo-ET) to produce three-dimensional snapshots of the HeLa cell nuclear periphery. Subtomogram averaging and classification of ribosomes revealed the native structure and organization of the cytoplasmic translation machinery. Analysis of a large dynamic structure-the nuclear pore complex-revealed variations detectable at the level of individual complexes. Cryo-ET was used to visualize previously elusive structures, such as nucleosome chains and the filaments of the nuclear lamina, in situ. Elucidation of the lamina structure provides insight into its contribution to metazoan nuclear stiffness.
History
Deposition
Jan 15, 2016
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Header (metadata) release
Mar 9, 2016
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Map release
Mar 9, 2016
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Update
Mar 9, 2016
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Current status
Mar 9, 2016
Processing site: PDBe / Status: Released
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