The genetic signature of sex-biased migration in patrilocal chimpanzees and humans

A large body of theoretical work suggests that analyses of variation at the maternally inherited mitochondrial (mt)DNA and the paternally inherited non-recombining portion of the Y chromosome (NRY) are a potentially powerful way to reveal the differing migratory histories of men and women across hum...

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Bibliographic Details
Published in:PloS one 2007-10, Vol.2 (10), p.e973-e973
Main Authors: Langergraber, Kevin E, Siedel, Heike, Mitani, John C, Wrangham, Richard W, Reynolds, Vernon, Hunt, Kevin, Vigilant, Linda
Format: Article
Language:English
Subjects:
Analysis
Animal behavior
Animal Migration
Animals
Chimpanzees
Chromosomes, Human, Y - ultrastructure
Data analysis
Demography
Deoxyribonucleic acid
Dispersal
Dispersion
DNA
DNA, Mitochondrial - metabolism
Ecology/Behavioral Ecology
Emigration and Immigration
Empirical analysis
Evolutionary Biology/Animal Behavior
Evolutionary Biology/Animal Genetics
Female
Females
Gender differences
Genetic aspects
Genetic research
Genetics
Genetics and Genomics/Population Genetics
Haplotypes
Humans
Integrated software
Male
Males
Microsatellite Repeats
Migration
Mitochondrial DNA
Models, Genetic
National parks
Pan paniscus
Pan troglodytes - physiology
Papio
Population
Sex
Sex Factors
Software packages
Species Specificity
Studies
Success
Taxa
Variation
Women
Y Chromosome - ultrastructure
Y Chromosomes
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Description
Summary:A large body of theoretical work suggests that analyses of variation at the maternally inherited mitochondrial (mt)DNA and the paternally inherited non-recombining portion of the Y chromosome (NRY) are a potentially powerful way to reveal the differing migratory histories of men and women across human societies. However, the few empirical studies comparing mtDNA and NRY variation and known patterns of sex-biased migration have produced conflicting results. Here we review some methodological reasons for these inconsistencies, and take them into account to provide an unbiased characterization of mtDNA and NRY variation in chimpanzees, one of the few mammalian taxa where males routinely remain in and females typically disperse from their natal groups. We show that patterns of mtDNA and NRY variation are more strongly contrasting in patrilocal chimpanzees compared with patrilocal human societies. The chimpanzee data we present here thus provide a valuable comparative benchmark of the patterns of mtDNA and NRY variation to be expected in a society with extremely female-biased dispersal.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0000973