Titlebook: Cell Movement and Cell Behaviour; J. M. Lackie Book 1986 J. M. Lackie 1986 bacteria.behavior.biology.cell.cell biology.cytoplasm.environme

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Motors of Other Sorts,g microtubules, have considered the use of assembly—disassembly reactions. Several other motor systems have been invented by Nature and will be considered in this chapter. The most important of these, and in many ways the most novel, is the mechanism by which flagellated bacteria propel themselves.

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heterogeneous

Anisotropic Environments, little explanation but are of far less interest. For motile cells to become non-randomly distributed their behaviour must be more complex than that of ‘diffusing particles’ and their pattern of movement must account for the observed distribution. Non-randomness may arise either because of cell—cell

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Cell-Cell Interactions, these are the problems of, among other things, morphogenesis, tissue- reconstruction, and invasiveness by tumour cells. Essentially the question we wish to answer is simple - what happens when a cell meets another cell? Sometimes cells behave as though indifferent to collisions, in other cases they

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Motors Based on Actomyosin, motor are degenerate examples of striated muscle. Nothing could be further from the truth; striated muscle is merely a very specialized form, a highly-tuned engine using the motor for a simple and clearly defined task, of generating tension in a linear fashion.

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Crawling Movement,ncluding some epithelial cells, myoblasts and neural cells. Although a few studies of cell movement . have been made, particularly of cells in early embryos, these studies have not been directed towards the question of mechanism so much as that of behaviour.