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Simulation of microtubule dynamics reveals strong influence of cell shape on the formation cortical array in plants.

Cortical microtubule array pattern in a Nicotiana benthamiana leaf pavement cell, visualized using 35S::TUB-mCherry. Instances of the formation of ordered band-like structures around the necks of protrusions are highlighted by the dashed arrows. Simulation of microtubule dynamics on the reconstructed surface of such cells, extracted by segmenting the confocal microscopy images, showed occurrence of similar microtubule band formation around the necks of protrusions. This study shows that cell geometry strongly influences the location and orientation of patterns in the cortical microtubule array of plants. Chakrabortty et al.

Image Credit: Ikram Blilou (KAUST)