Barriers to chimpanzee gene flow at the south-east edge of their distribution.
Tanzania
biogeography
genetic diversity
great apes
microsatellites
mitochondrial DNA
Journal
Molecular ecology
ISSN: 1365-294X
Titre abrégé: Mol Ecol
Pays: England
ID NLM: 9214478
Informations de publication
Date de publication:
07 2023
07 2023
Historique:
revised:
28
04
2023
received:
12
09
2022
accepted:
02
05
2023
pmc-release:
01
07
2024
medline:
11
7
2023
pubmed:
6
6
2023
entrez:
6
6
2023
Statut:
ppublish
Résumé
Populations on the edge of a species' distribution may represent an important source of adaptive diversity, yet these populations tend to be more fragmented and are more likely to be geographically isolated. Lack of genetic exchanges between such populations, due to barriers to animal movement, can not only compromise adaptive potential but also lead to the fixation of deleterious alleles. The south-eastern edge of chimpanzee distribution is particularly fragmented, and conflicting hypotheses have been proposed about population connectivity and viability. To address this uncertainty, we generated both mitochondrial and MiSeq-based microsatellite genotypes for 290 individuals ranging across western Tanzania. While shared mitochondrial haplotypes confirmed historical gene flow, our microsatellite analyses revealed two distinct clusters, suggesting two populations currently isolated from one another. However, we found evidence of high levels of gene flow maintained within each of these clusters, one of which covers an 18,000 km
Identifiants
pubmed: 37277946
doi: 10.1111/mec.16986
pmc: PMC10421595
mid: NIHMS1897913
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, U.S. Gov't, Non-P.H.S.
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
3842-3858Subventions
Organisme : NIAID NIH HHS
ID : R37 AI050529
Pays : United States
Organisme : NIAID NIH HHS
ID : R37 AI150590
Pays : United States
Organisme : NIAID NIH HHS
ID : P30 AI045008
Pays : United States
Organisme : NIAID NIH HHS
ID : R01 AI120810
Pays : United States
Organisme : NIAID NIH HHS
ID : R01 AI050529
Pays : United States
Informations de copyright
© 2023 The Authors. Molecular Ecology published by John Wiley & Sons Ltd.
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