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Fonctionnement Ovarien Comparé des Femelles Vierges et des Femelles Inséminées de Drosophila Melanogaster

Fonctionnement Ovarien Comparé des Femelles Vierges et des Femelles Inséminées de Drosophila... Summary J. Bouletreau-Merle: Comparison of ovarian fonction between virgin females and inseminated females of Drosophila melanogaster. In mated Drosophila female, fed on normal medium, oogenesis and vitellogenesis start immediately after adult molt so that an important production of matured oocytes is quickly reached. These eggs are rapidely laid. This female shows few resorptions and the rate of follicules production by the germarium is approximately equal to the fecundity. In virgin female, the ovarian activity is the same during the first day. But, since the second day, important differences appear: matured oocytes are in total retention, the frequency of resorptions is higher and the oocytes production by the germarium decreases. After the 5th day, the female begins to lay more of its eggs and matured oocytes in retention disappear progressively. The germarium activity and vitellogenesis increase slowly but never reach the high level observed in mated females. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annales de la Société entomologique de France (N S ) Taylor & Francis

Fonctionnement Ovarien Comparé des Femelles Vierges et des Femelles Inséminées de Drosophila Melanogaster

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Publisher
Taylor & Francis
Copyright
© 1973 Société entomologique de France
ISSN
2168-6351
eISSN
0037-9271
DOI
10.1080/21686351.1973.12278134
Publisher site
See Article on Publisher Site

Abstract

Summary J. Bouletreau-Merle: Comparison of ovarian fonction between virgin females and inseminated females of Drosophila melanogaster. In mated Drosophila female, fed on normal medium, oogenesis and vitellogenesis start immediately after adult molt so that an important production of matured oocytes is quickly reached. These eggs are rapidely laid. This female shows few resorptions and the rate of follicules production by the germarium is approximately equal to the fecundity. In virgin female, the ovarian activity is the same during the first day. But, since the second day, important differences appear: matured oocytes are in total retention, the frequency of resorptions is higher and the oocytes production by the germarium decreases. After the 5th day, the female begins to lay more of its eggs and matured oocytes in retention disappear progressively. The germarium activity and vitellogenesis increase slowly but never reach the high level observed in mated females.

Journal

Annales de la Société entomologique de France (N S )Taylor & Francis

Published: Jan 31, 1973

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