Electron cryotomography

Electron cryotomography (ECT) is an emerging technology that allows thin samples such as macromolecular complexes and small bacterial cells to be imaged in 3-D in a nearly native state to "molecular" ( approximately 4 nm) resolution. As such, ECT is beginning to deliver long-awaited insigh...

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Bibliographic Details
Published in:Cold Spring Harbor perspectives in biology 2010-06, Vol.2 (6), p.a003442-a003442
Main Authors: Tocheva, Elitza I, Li, Zhuo, Jensen, Grant J
Format: Article
Language:English
Subjects:
Bacteria - ultrastructure
Electron Microscope Tomography - instrumentation
Electron Microscope Tomography - methods
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Description
Summary:Electron cryotomography (ECT) is an emerging technology that allows thin samples such as macromolecular complexes and small bacterial cells to be imaged in 3-D in a nearly native state to "molecular" ( approximately 4 nm) resolution. As such, ECT is beginning to deliver long-awaited insight into the positions and structures of cytoskeletal fi laments, cell wall elements, motility machines, chemoreceptor arrays, internal compartments, and other ultrastructures. This article describes the technique and summarizes its contributions to bacterial cell biology. For comparable recent reviews, see (Subramaniam 2005; Jensen and Briegel 2007; Murphy and Jensen 2007; Li and Jensen 2009). For reviews on the history, technical details, and broader application of electron tomography in general, see for example (Subramaniam and Milne 2004; Lucić et al. 2005; Leis et al. 2008; Midgley and Dunin-Borkowski 2009).
ISSN:1943-0264
1943-0264
DOI:10.1101/cshperspect.a003442