Abstract

The foraminifera (i.e. “forams”), like all Granuloreticulose protists, produce extensive networks of pseudopodia that are supported and powered by an elaborate cytoskeleton of motile microtubules (MT). These pseudopodia may reach lengths nearly 100X the diameter of the cell body, which is the synthetic center of the cell, and the network is continuously remodelled as pseudopodia form, extend, retract, branch and fuse. The fact that these morphogenetic processes occur in even the most remotely located regions of the network suggests there is considerable local autonomy in the assembly, disassembly, and organization of the MT cytoskeleton.

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