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Tracking Intercellular Movement of Fluorescent Proteins in Bryophytes
Takumi Tomoi1,2, Yoan Coudert3, Tomomichi Fujita4
1Biosystems Science Course, Graduate School of Life Science, Hokkaido University, Sapporo, Hokkaido, Japan.
Methods in Molecular Biology (Clifton, N.J.)
|March 29, 2022
Summary
Researchers developed a new method to track fluorescent protein movement in moss cells, aiding the study of intercellular connectivity. This technique enhances understanding of plasmodesmata function in plants like Physcomitrium patens.
Area of Science:
- Plant Biology
- Cell Biology
- Biophysics
Background:
- Intercellular connectivity is crucial for plant development and function.
- Plasmodesmata regulate the passage of molecules between plant cells.
- Tracking fluorescent protein movement is a key method to study these connections.
Purpose of the Study:
- To adapt and describe a protocol for analyzing fluorescent protein movement in the moss Physcomitrium patens.
- To investigate intercellular connectivity in P. patens using the fluorescent protein Dendra2.
- To establish a method for studying plasmodesmata in a non-angiosperm model organism.
Main Methods:
- Application of a fluorescent protein tracking system (Dendra2) in Physcomitrium patens.
- Utilizing protonemal tissues of P. patens for enhanced observation due to their simple organization.
- Detailed description of a protocol for analyzing intercellular movement of Dendra2.
Main Results:
- Successfully tracked the intercellular movement of Dendra2 in P. patens.
- Demonstrated the suitability of P. patens protonemal tissues for such studies.
- Established a viable protocol for analyzing plasmodesmata-mediated transport in moss.
Conclusions:
- The developed protocol enables the study of intercellular transport in Physcomitrium patens.
- This research extends fluorescent protein tracking techniques to non-angiosperm species.
- The findings contribute to a broader understanding of plasmodesmata function across different plant lineages.
