Related Experiment Video
Updated: Jun 4, 2026

05:54
Confocal Microscopy Analysis of Protein Sorting to Plasmodesmata in Nicotiana benthamiana
Published on: November 1, 2024
Summary
This protocol details a confocal microscopy method for observing embryo and shoot apex development. It allows precise cell quantification in meristems and primordia by imaging propidium iodide-stained nuclei in whole-mount samples.
Area of Science:
- Developmental Biology
- Plant Biology
- Microscopy Techniques
Background:
- Observing early embryonic and meristematic development is crucial for understanding plant growth.
- Accurate cell counting in these delicate structures can be challenging with traditional methods.
- Whole-mount analysis offers advantages in spatial reconstruction compared to sectioning.
Purpose of the Study:
- To present a robust protocol for visualizing and quantifying cells in developing plant embryos and shoot apices.
- To enable precise cell number determination in meristems and young primordia.
- To facilitate whole-mount imaging for easier three-dimensional reconstruction.
Main Methods:
- Utilizing confocal microscopy for high-resolution imaging.
- Staining nuclei with propidium iodide for clear visualization.
- Analyzing whole-mount embryonic and shoot apex tissues.
Main Results:
- Successful observation of embryonic development and shoot apex structures.
- Accurate quantification of cell numbers within meristems and primordia.
- Demonstration of nuclei-centric imaging for efficient analysis.
Conclusions:
- This propidium iodide staining and confocal microscopy protocol provides an effective method for studying plant development.
- The technique allows for precise cell quantification and simplified 3D reconstruction of whole-mount tissues.
- It offers a valuable tool for researchers investigating early plant morphogenesis.
