Multiple mating in wild Drosophila melanogaster revisited by microsatellite analysis

被引:119
作者
Imhof, M [1 ]
Harr, B [1 ]
Brem, G [1 ]
Schlotterer, C [1 ]
机构
[1] Vet Med Univ Wien, Inst Tierzucht & Genet, A-1210 Wien, Austria
关键词
Drosophila melanogaster; microsatellites; multiple mating; sperm competition;
D O I
10.1046/j.1365-294x.1998.00382.x
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The occurrence of multiple mating in Drosophila melanogaster is of particular interest to evolutionary biologists, as seminal fluid has some toxic effects for females. Thus, it has been predicted that the number of matings per females should be low. We have tested this prediction with seven highly polymorphic microsatellite loci in inseminated females from a Viennese D. melanogaster population. In contrast to the predicted low number of matings and previous studies in natural populations, we identified the genotypes of four to six different males fertilizing the offspring of each female tested. Potential causes and consequences are discussed.
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页码:915 / 917
页数:3
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