Changes in the Phragmoplast and the Cell Plate Observed when Actin Filaments Are Disrupted (IMAGE)
Caption
The phragmoplast, which is normally constricted toward the center of the cell, becomes abnormally widened (blue arrows), and the shape of the cell plate is changed (orange arrowhead) when actin filaments are disrupted. Normally, the cell plate spreads from the center to the edge, but without actin filaments the dotted shapes gradually connect and form into the cell plate. The final time differs between the top and bottom frames because cell plate expansion gradually slows down when actin filaments are disrupted.
The time at which the cell plate was created is at 0 minutes. The scale bar at the bottom right (yellow) is 10 microns.
Credit
Associate Professor Takumi Higaki
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Adapted from Fig. 2 of Maeda, K., Sasabe, M., Hanamata, S., Machida, Y., Hasezawa, S., & Higaki, T. (2020). Actin Filament Disruption Alters Phragmoplast Microtubule Dynamics during the Initial Phase of Plant Cytokinesis. Plant and Cell Physiology. doi:10.1093/pcp/pcaa003 ^^^^^
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