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Cell migrations during morphogenesis: Some clues from the slug of Dictyostelium discoideum

โœ Scribed by Keith L. Williams; Phil. H. Vardy; Lee A. Segel


Publisher
John Wiley and Sons
Year
1986
Tongue
English
Weight
684 KB
Volume
5
Category
Article
ISSN
0265-9247

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โœฆ Synopsis


Starvation induces free-living Dictyostelium discoideum amoebae to form slugs that typically contain 100,000 cells. Only recently have suficient clues become available to suggest how coordinated cell actions might result in slug movement. We propose a 'squeeze-pull' model that involves circumferential cells squeezing forward a cellular core, followed by pulling up of the rear. This model takes into account the diflerent classes of cells in the slug; it is proposed that prestalk cells are engines and prespore cells are the cargo.


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