Evidence map›Paper›PMID 21368170›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2011

Evidence from Cameroon reveals differences in the genetic structure and histories of chimpanzee populations.

Mary Katherine Gonder, Sabrina Locatelli, Lora Ghobrial, Matthew W Mitchell, Joseph T Kujawski, Felix J Lankester, Caro-Beth Stewart, Sarah A Tishkoff

Abstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.

0numbers the graph read from it
0cells of the map it votes in
44citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

44 citing papers in PubMed.

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  9. Tectonics, climate and the diversification of the tropical African terrestrial flora and fauna.Biological reviews of the Cambridge Philosophical Society · 2021
    Article
  10. Article
  11. Article
  12. Review
  13. CD4 receptor diversity in chimpanzees protects against SIV infection.Proceedings of the National Academy of Sciences of the United States of America · 2019
    Article
  14. Article
  15. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Mary Katherine GonderDepartment of Biological Sciences, University at Albany-State University of New York, Albany, NY 12222, USA. gonder@albany.edu
Sabrina Locatelli
Lora Ghobrial
Matthew W Mitchell
Joseph T Kujawski
Felix J Lankester
Caro-Beth Stewart
Sarah A Tishkoff

Funding

African Odyssey: An Integrative Genomics Analysis of Complex Physiologic TraitsDP1OD006445 · OD · UNIVERSITY OF PENNSYLVANIA · PI TISHKOFF, SARAH ANNE · 2009 to 2011
$2.4M
African Odyssey: An Integrative Genomics Analysis of Complex Physiologic TraitsDP1ES022577 · NIEHS · UNIVERSITY OF PENNSYLVANIA · PI TISHKOFF, SARAH ANNE · 2012 to 2013
$1.6M
NIEHS NIH HHS DP1 ES022577NIH HHS DP1 OD006445NIH HHS DP1-OD-006445
6 · The paper itself

Abstract

The history of the genus Pan is a topic of enduring interest. Chimpanzees (Pan troglodytes) are often divided into subspecies, but the population structure and genetic history of chimpanzees across Africa remain unclear. Some population genetics studies have led to speculation that, until recently, this species constituted a single population with ongoing gene flow across its range, which resulted in a continuous gradient of allele frequencies. Chimpanzees, designated here as P. t. ellioti, occupy the Gulf of Guinea region that spans southern Nigeria and western Cameroon at the center of the distribution of this species. Remarkably, few studies have included individuals from this region, hindering the examination of chimpanzee population structure across Africa. Here, we analyzed microsatellite genotypes of 94 chimpanzees, including 32 designated as P. t. ellioti. We find that chimpanzees fall into three major populations: (i) Upper Guinea in western Africa (P. t. verus); (ii) the Gulf of Guinea region (P. t. ellioti); and (iii) equatorial Africa (P. t. troglodytes and P. t. schweinfurthii). Importantly, the Gulf of Guinea population is significantly different genetically from the others, sharing a last common ancestor with the populations in Upper Guinea ~0.46 million years ago (mya) and equatorial Africa ~0.32 mya. Equatorial chimpanzees are subdivided into up to three populations occupying southern Cameroon, central Africa, and eastern Africa, which may have constituted a single population until ~0.10-0.11 mya. Finally, occasional hybridization may be occurring between the Gulf of Guinea and southern Cameroon populations.

Indexed as

AllelesEcosystemPhylogenyAnimalsCameroonGene FrequencyGenetics, PopulationPan troglodytesPhylogeography

Identifiers

PMID21368170
PMCPMC3064329

What OpenQuestion holds

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.