Inbreeding depression in non‐human primates: a historical review of methods used and empirical data

@article{Charpentier2007InbreedingDI,
  title={Inbreeding depression in non‐human primates: a historical review of methods used and empirical data},
  author={Marie J. E. Charpentier and Anja Widdig and Susan C. Alberts},
  journal={American Journal of Primatology},
  year={2007},
  volume={69}
}
Offspring born to related parents may show reduced fitness due to inbreeding depression. Although evidence of inbreeding depression has accumulated for a variety of taxa during the past two decades, such analyses remain rare for primate species, probably because of their long generation time. However, inbreeding can have important fitness costs and is likely to shape life‐history traits in all living species. As a consequence, selection should have favored inbreeding avoidance via sex‐biased… 
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Experimental evidence for sexual selection against inbred males when it truly counts
TLDR
It is demonstrated that inbreeding has important consequences because it negatively affects a key component of male fitness, and that males with a relatively long gonopodium (intromittent organ) had greater reproductive success.
Molecular paternity determination in captive bonobos and the impact of inbreeding on infant mortality
TLDR
Even though the breeding programme of captive bonobos is aimed at avoiding inbreeding, closely related individuals do occasionally produce offspring that do show inbreeding depression, but there is no indication that this currently threatens the long‐time survival of the captive population of bonobos.
Experimental evidence for sexual selection against inbred males
TLDR
Given there was no difference in male mortality in the authors' competitive mating experiment, the lower reproductive success of inbred males can most parsimoniously be attributed to inbreeding negatively affecting sexually selected traits that affect male mating success and/or sperm competitiveness.
Inbreeding Avoidance in Male Primates: A Response to Female Mate Choice?
TLDR
It is concluded that male inbreeding avoidance may be strongly driven by female mate choice at both proximate and ultimate levels, and the role ofFemale mate choice in the evolution of male in breeding avoidance should be clarified.
Inbreeding depression in ring-tailed lemurs (Lemur catta): genetic diversity predicts parasitism, immunocompetence, and survivorship
TLDR
It is shown that, compared to outbred individuals, inbred lemurs were more likely to die earlier from diseases, and the importance of monitoring genetic variation in captive animals is highlighted, and insight is provided into the potential negative consequences faced by small or isolated populations in the wild.
Inbreeding depression does not increase after exposure to a stressful environment: a test using compensatory growth
TLDR
The long-term costs of inbreeding due to lower male reproductive success appear to be unrelated to inbreeding depression for adult male size or the growth rates that are reported in the current study.
Inbreeding and its effect on fitness traits in captive populations of North Persian leopard and Mhorr gazelle
TLDR
In both species, there is unbalanced founder contribution of alleles causing inbreeding depression and purging in fitness traits as shown in the results from the analyses including partial and partial ancestral inbreeding coefficients.
Sex‐specific effects of inbreeding in wild‐caught Drosophila melanogaster under benign and stressful conditions
TLDR
Recently wild‐caught Drosophila melanogaster was used to test whether such ID is amplified by environmental stress and, in males, by sexual selection, and whether the effects of stress and sexual selection interacted.
Further evidence for phenotypic signatures of hybridization in descendant baboon populations.
Conservation implications of living in forest remnants: Inbreeding and genetic structure of the northernmost mantled howler monkeys
The current unprecedented rates of environmental perturbation, particularly in rain forest ecosystems, are jeopardizing the persistence of a variety of tropical species. The development of adequate…
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