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Related Experiment Videos

3D Electron Microscopy of the ER.

Maike Kittelmann1

  • 1Plant Cell Biology, Biological and Medical Sciences, Oxford Brookes University, Oxford, OX3 0BP, UK. maike.kittelmann@brookes.ac.uk.

Methods in Molecular Biology (Clifton, N.J.)
|October 19, 2017
PubMed
Summary

We developed a new protocol for selective endoplasmic reticulum (ER) staining in plant cells. This method enables detailed 3D imaging and automated analysis of ER structure in root tissues.

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Area of Science:

  • Plant Cell Biology
  • Microscopy Techniques
  • Organelle Structure

Background:

  • The endoplasmic reticulum (ER) forms an extensive cellular network crucial for plant cell function.
  • Understanding ER spatial organization in plant roots, especially meristems, is vital but challenging.
  • Existing imaging methods lack sufficient resolution or specificity for detailed ER analysis.

Purpose of the Study:

  • To develop a protocol for selective endoplasmic reticulum (ER) staining in plant cells.
  • To enable high-resolution 3D imaging and automated segmentation of the ER.
  • To facilitate the study of ER spatial organization in plant root meristems.

Main Methods:

  • Developed a protocol for selective ER staining.
  • Utilized 3D electron microscopy techniques, including serial sectioning, Array Tomography, SBFSEM, and FIB-SEM.
  • Implemented automated or semi-automated segmentation algorithms for ER analysis.

Main Results:

  • Achieved high contrast and ER-specific staining.
  • Successfully visualized the extensive ER network in plant root meristem cells.
  • Enabled detailed 3D reconstruction and spatial analysis of the ER.

Conclusions:

  • The developed protocol provides essential high-contrast, ER-specific staining for plant cells.
  • This technique significantly advances the ability to study ER spatial organization using 3D electron microscopy.
  • Facilitates automated analysis of ER structure in complex plant tissues like root meristems.
Keywords:
3D EMAutomated segmentationEndoplasmic reticulumSerial Block Face SEMZIO

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