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Ultrastructural changes in nurse and follicle cells during late stages of oogenesis in Drosophila melanogaster
Authors:Michael R Cummings  Robert C King
Institution:(1) Department of Biological Sciences, University of Illinois at Chicago Circle, Chicago;(2) Department of Biology, Northwestern University, Evanston, Illinois
Abstract:Summary During stages 11 and 12, follicle cells surrounding the nurse cells produce lysosomes which presumably aid in the breakdown of the nurse cells. Accompanying a DNA reduction in nurse cell nuclei are several characteristic morphological changes including the appearance of intranuclear rod-like structures and nuclear granules about 300 Å in diameter. Similarities between structures seen in Drosophila nurse cell nuclei and those seen in other organisms are discussed.This research was supported by U. S. Public Health Service Grants 5TIGM903-3 and 1-F1-GM-33, 385-01 and National Science Foundation grant GB-7457.
Keywords:Oogenesis  Drosophila  Ultrastructure  Nurse cells  Follicle cells
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