Fluorescence Imaging of the Cytoskeleton in Plant Roots

Area of Science:

• Plant Biology
• Cell Biology
• Microscopy

Background:

• The advent of green fluorescent protein has revolutionized live cell imaging.
• Maintaining optimal growth conditions for plant specimens during live imaging is crucial for effective cytoskeletal studies.

Purpose of the Study:

• To present practical methods for live imaging of plant cytoskeletons.
• To facilitate the study of cytoskeletal dynamics in plant development.

Main Methods:

• Utilizing coverslip-based systems with nutrient-supplemented agar for germinating Arabidopsis roots.
• Employing vertical growth in plastic trays followed by slide mounting for larger roots like Medicago truncatula.
• Implementing indirect immunofluorescence on vibratome-sectioned and whole-mount fixed root tissues.

Main Results:

• Established a streamlined coverslip method for live imaging of Arabidopsis roots.
• Developed a protocol for imaging larger Medicago truncatula roots using slide-mounted techniques.
• Successfully applied immunofluorescence to fixed root tissues, highlighting developmental regions.

Conclusions:

• Simple, effective methods are presented for live and fixed imaging of plant cytoskeletons.
• These techniques support detailed investigations into the cytoskeletal basis of plant development.
• The described protocols are adaptable for different plant species and imaging modalities.