NDLI: Genetics of the Shimokita macaque population suggest an ancient bottleneck

Content Provider	Springer Nature Link
Author	Kawamoto, Yoshi Tomari, Ken ichiro Kawai, Shizuka Kawamoto, Sakie
Copyright Year	2007
Abstract	The macaque population of the Shimokita Peninsula represents the northernmost distribution of this species and is isolated from other populations in the Tohoku region of Japan. A previous protein-based study revealed a high level of genetic variability in this population and considerable differentiation from other populations. In order to reassess the genetic features of the Shimokita macaques, we examined 11 autosomal microsatellite loci and three Y chromosomal microsatellite loci. We observed considerable differentiation from other Japanese populations of macaques, but in contrast to the previous results, we observed significantly lower genetic variability in this population. There was a weak indication of a population bottleneck, suggesting a decay over time from an excess of heterozygotes that might be expected in the initial stages of a bottleneck. This may indicate that an ancient bottleneck occurred during the warm period after the last glacial period rather than a recent bottleneck due to hunting in modern times. The frequencies of private alleles were exceptionally high in the Shimokita population, suggesting that the difference in variability as determined in various studies was due to accidental sampling of marker loci with low power to resolve genetic variations in the protein-based studies. The assessments of interpopulation differentiation as determined using autosomal and Y chromosomal markers were highly correlated, and using both types of markers the Shimokita population was found to be the most differentiated of the study populations, probably due to infrequent gene flow with surrounding populations.
Starting Page	32
Ending Page	40
Page Count	9
File Format	PDF
ISSN	00328332
Journal	Primates
Volume Number	49
Issue Number	1
e-ISSN	16107365
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-07-24
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Japanese macaques Shimokita Peninsula Population bottleneck Genetic variability Evolutionary Biology Behavioural Sciences Animal Ecology Zoology
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology

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