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PMID:11869341

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Citation

Chapman, T (2001) Seminal fluid-mediated fitness traits in Drosophila. Heredity (Edinb) 87:511-21

Abstract

The seminal fluid of male Drosophila contains a cocktail of proteins that have striking effects on male and female fitness. In D. melanogaster, seminal fluid proteins affect female receptivity, ovulation, oogenesis, sperm storage, sperm competition and mating plug formation. In addition, the seminal fluid contains antibacterial peptides and protease inhibitors. Some seminal fluid-encoding genes also show high rates of evolutionary change, exhibiting both significant between-species divergence and within-species polymorphism. Seminal fluid protein genes are expressed only in males, begging the question of how and why the reproductive processes of females are influenced by males. In this review I address these issues by bringing together evidence for the function, evolution, diversification, and maintenance of variation in, seminal fluid-mediated traits.

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Keywords

Animals; Chromosome Mapping; Drosophila/genetics; Drosophila/physiology; Drosophila Proteins/genetics; Drosophila Proteins/physiology; Evolution, Molecular; Female; Forecasting; Genes, Insect; Genetic Variation; Male; Reproduction; Semen/physiology; Seminal Plasma Proteins/genetics; Seminal Plasma Proteins/physiology

Significance

Annotations

Gene product Qualifier GO ID GO term name Evidence Code with/from Aspect Notes Status


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