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Relationship between cytoskeleton and motility
Published online by Cambridge University Press: 19 September 2011
Extract
The presence of microfilaments (MF) and microtubules (MT) in the cytoskeletal systems of unicellular eukaryotes, the differentiations of their fine structure and topography within the cells, as well as the tremendous variety of motile phenomena manifested by Protista, made it impossible to treat the subject systematically and thoroughly during one session. The Symposium concentrated therefore on a few selected topics: the organization of the MF cytoskeleton of free living amoebae, its role in producing endoplasmic flow, cell-to-substratum attachment and ectoplasmic movements, as components of the amoeboid mode of locomotion; the transition from the MF to the MT system in the case of amoeba-flagellate transformation; molecular mechanism of operation of the most specialized MT system, in cilia and flagella; and calmodulin as a likely universal sensor allowing Ca2+ to control the motility. All these subjects were covered by seven lectures.
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