Distinct biological epochs in the reproductive life of female Drosophila melanogaster.

Distinct biological epochs in the reproductive life of female Drosophila melanogaster. Research Abstract Details 

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Distinct biological epochs in the reproductive life of female Drosophila melanogaster. Abstract Text:

Blanka Rogina,Tom Wolverton,Tyson G Bross,Kun Chen,Hans-Georg ,James R Carey,Blanka Rogina,Tom Wolverton,Tyson G Bross,Kun Chen,Hans-Georg ,James R Carey,

Mating alters the physiology and behavior of female Drosophila melanogaster resulting in a surge of egg laying, a decrease in receptivity to other males, and a decrease in life span. Here, we show striking differences in patterns of Drosophila egg laying and mortality rate dependent upon mating history. Our data reveal previously unreported epochs in the reproductive life of females: optimal, vulnerable and declining-terminal. During the optimal period, mating induces females to respond with a surge in egg laying and has a reversible effect on mortality rate. In contrast, during the vulnerable period, mating does not induce females to respond with a surge in egg laying and causes an irreversible increase in mortality rate. The terminal period was always observed several days before death, irrespective of the chronological age, and is marked by sharp reductions in egg laying. The presence of these distinctive biological epochs may reflect increased female sensitivity to mating due to age-related decline.

Distinct biological epochs in the reproductive life of female Drosophila melanogaster. Publishing Authors By Initials

B Rogina,T Wolverton,TG Bross,K Chen,HG ,JR Carey,B Rogina,T Wolverton,TG Bross,K Chen,HG ,JR Carey,

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Distinct biological epochs in the reproductive life of female Drosophila melanogaster. Journal Published:

PUBLICATION TYPE: Research Support, U.S. Gov't,

Journal: Mechanisms of ageing and development

VOLUME: 128

Page Numbers: 477-85

Journal Abbreviation: Mech. Ageing Dev.

ISSN: 0047-6374

DAY: 20

MONTH: 06

YEAR: 2007

Distinct biological epochs in the reproductive life of female Drosophila melanogaster. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Distinct biological epochs in the reproductive life of female Drosophila melanogaster.

AFFILIATION: Department of Genetics and Developmental Biology, School of Medicine, University of Connecticut Health Center, Farmington, CT 06030, United States. Rogina@neuron.uchc.edu

Country: Ireland

AGENCY: United States PHS

GRANT: T32-DEO7302

ACRONYM: AG

MEDLINETA: Mech Ageing Dev

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