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Demonstrates high-resolution imaging of root apical meristem cells, highlighting new visualization techniques.
Plant growth and development rely on a delicate balance between cell proliferation and cell differentiation. The root apical meristem (RAM) of Arabidopsis thaliana is an excellent model to study the cell cycle due to the coordinated relationship between nucleus shape and cell size at each stage, allowing for precise estimation of the cell cycle duration. In this study, we present a method for high‐resolution visualization of RAM cells. This is the first protocol that allows for simultaneous high‐resolution imaging of cellular and nuclear stains, being compatible with DNA replication markers such as EdU, including fluorescent proteins (H2B::YFP), SYTOX DNA stains, and the cell wall stain SR2200. This protocol includes a clarification procedure that enables the acquisition of high‐resolution 3D images, suitable for detailed subsequent analysis.
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Reyes‐Olalde et al. (2025) studied this question.
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