Homotypic Membrane Fusion

Homotypic fusion refers to the merging of two membranes of the same type. Cell plate formation involves two types of homotypic membrane fusion, i.e., creation of tubular structures from vesicle-vesicle fusion, and formation of honeycomb-like network via end-to-end fusion of tubular structures. Phrag-moplastin and its associated proteins are known to play pivotal roles in creating the dumbbell-shaped tubular structures, whilst Knolle syntaxin is required for the formation of honeycomb-like...

Phragmoplast Microtubules Undergo Changes in Organization During Cell Plate Formation

Phragmoplast Spindle

Microtubules are the most visible component of the cytoskeletal elements involved in cytokinesis, such as the premitotic pre-prophase band (Fig. 2A) and the phragmoplast. They have been the subject of hundreds of studies of dividing plant cells, both at the light and the electron microscope level of analysis. Here we only review contributions made by electron microscopy to the study of the phragmoplast and cell plate of cryofixed cells. Figures 2 and 3 illustrate the organization of the MT...

References

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