Noninvasive paternity assignment in Gombe chimpanzees

被引:220
作者
Constable, JL
Ashley, MV
Goodall, J
Pusey, AE
机构
[1] Univ Minnesota, Dept Ecol Evolut & Behav, St Paul, MN 55108 USA
[2] Univ Illinois, Dept Biol Sci, Chicago, IL 60607 USA
[3] Jane Goodall Inst, Silver Spring, MD 20911 USA
关键词
chimpanzees; inbreeding; mating strategies; microsatellites; noninvasive sampling; paternity;
D O I
10.1046/j.1365-294X.2001.01262.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 relative success of chimpanzee male mating strategies, the role of male dominance rank and the success of inbreeding avoidance behaviour can only be assessed when paternities are known. We report the probable paternities of 14 chimpanzees included in a long-term behavioural study of chimpanzees (Pan troglodytes schweinfurthii) at Gombe National Park, Tanzania. DNA samples were collected noninvasively from shed hair and faeces and genotyped using 13-16 microsatellite loci characterized in humans. All 14 offspring could be assigned to fathers within the community. While there is a positive relationship between male rank and reproductive success, we demonstrate that a range of male mating strategies (possessiveness, opportunistic mating and consortships) can lead to paternity across all male ranks. Several adult females were at risk of breeding with close male relatives. Most successfully avoided close inbreeding but in one case a high-ranking male in the community mated with his mother and produced an offspring. In contrast to recent data on chimpanzees (P. t. verus) from the Tai forest, Cote d'Ivoire, no evidence of extra-group paternity was observed in our study. Reanalysis of Tai data using a likelihood approach casts doubt on the occurrence of extra-group paternity in that community as well.
引用
收藏
页码:1279 / 1300
页数:22
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