Dynamics of Cell Redifferentiation in Dictyostelium mucoroides |
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Authors: | JAMES H GREGG ROSEMARY W DAVIS |
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Institution: | Department of Microbiology and Cell Science, University of Florida, Gainesville, Florida 32611, USA |
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Abstract: | During migration of a D. mucoroides slug, prespore cells at the immediate edge of the prespore-prestalk junction advance into the prestalk region in approximately 1.5 min. Redifferentiation of the prespore into prestalk cells occurs during this period. Evidence that the cells redifferentiated required autoradiographic, electron microscopic, and staining techniques. These methods determined that glycoprotein synthesis declined; prespore vesicles, the organelles found specifically in prespore cells, were degraded; and staining was reduced during this developmental transition into prestalk cells. |
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