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Kopp GH, Sithaldeen R, Trede F, Grathwol F, Roos C, Zinner D. A Comprehensive Overview of Baboon Phylogenetic History. Genes (Basel) 2023; 14:614. [PMID: 36980887 PMCID: PMC10048742 DOI: 10.3390/genes14030614] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/13/2023] [Accepted: 02/17/2023] [Indexed: 03/05/2023] Open
Abstract
Baboons (genus Papio) are an intriguing study system to investigate complex evolutionary processes and the evolution of social systems. An increasing number of studies over the last 20 years has shown that considerable incongruences exist between phylogenies based on morphology, mitochondrial, and nuclear sequence data of modern baboons, and hybridization and introgression have been suggested as the main drivers of these patterns. Baboons, therefore, present an excellent opportunity to study these phenomena and their impact on speciation. Advances both in geographic and genomic coverage provide increasing details on the complexity of the phylogeography of baboons. Here, we compile the georeferenced genetic data of baboons and review the current knowledge on baboon phylogeny, discuss the evolutionary processes that may have shaped the patterns that we observe today, and propose future avenues for research.
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Affiliation(s)
- Gisela H. Kopp
- Zukunftskolleg, University of Konstanz, 78457 Konstanz, Germany
- Department of Biology, University of Konstanz, 78457 Konstanz, Germany
- Centre for the Advanced Study of Collective Behaviour, University of Konstanz, 78457 Konstanz, Germany
- Department of Migration, Max Planck Institute of Animal Behavior, 78315 Radolfzell, Germany
| | - Riashna Sithaldeen
- Academic Development Programme, Centre for Higher Education and Development, University of Cape Town, Cape Town 7700, South Africa
| | - Franziska Trede
- Cognitive Ethology Laboratory, German Primate Center, Leibniz Institute for Primate Research, 37077 Göttingen, Germany
| | - Franziska Grathwol
- Department of Biology, University of Konstanz, 78457 Konstanz, Germany
- Department of Migration, Max Planck Institute of Animal Behavior, 78315 Radolfzell, Germany
| | - Christian Roos
- Gene Bank of Primates and Primate Genetics Laboratory, German Primate Center, Leibniz Institute for Primate Research, 37077 Göttingen, Germany
| | - Dietmar Zinner
- Cognitive Ethology Laboratory, German Primate Center, Leibniz Institute for Primate Research, 37077 Göttingen, Germany
- Department of Primate Cognition, Georg-August-University, 37073 Göttingen, Germany
- Leibniz-ScienceCampus Primate Cognition, 37077 Göttingen, Germany
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Manthey JD, Bourgeois Y, Meheretu Y, Boissinot S. Varied diversification patterns and distinct demographic trajectories in Ethiopian montane forest bird (Aves: Passeriformes) populations separated by the Great Rift Valley. Mol Ecol 2022; 31:2664-2678. [PMID: 35239243 DOI: 10.1111/mec.16417] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 02/16/2022] [Accepted: 02/21/2022] [Indexed: 11/30/2022]
Abstract
Taxon-specific characteristics and extrinsic climatic and geological forces may both shape population differentiation and speciation. In geographically and taxonomically focused investigations, differentiation may occur synchronously as species respond to the same external conditions. Conversely, when evolution is investigated in taxa with largely varying traits, population differentiation and speciation is complex and shaped by interactions of Earth's template and species-specific traits. As such, it is important to characterize evolutionary histories broadly across the tree of life, especially in geographic regions that are exceptionally diverse and under pressures from human activities such as in biodiversity hotspots. Here, using whole-genome sequencing data, we characterize genomic variation in populations of six Ethiopian Highlands forest bird species separated by a lowland biogeographic barrier, the Great Rift Valley (GRV). In all six species, populations on either side of the GRV exhibited significant but varying levels of genetic differentiation. Species' dispersal ability was negatively correlated with levels of population differentiation. Isolation with migration models indicated varied patterns of population differentiation and connectivity among populations of the focal species. We found that demographic histories-estimated for each individual-varied by both species and population but were consistent between individuals of the same species and sampling region. We found that genomic diversity varied by half an order of magnitude across species, and that this variation could largely be explained by the harmonic mean of effective population size over the past 200,000 years. Overall, we found that even in highly dispersive species like birds, the GRV acts as a substantial biogeographic barrier.
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Vidal CM, Lane CS, Asrat A, Barfod DN, Mark DF, Tomlinson EL, Tadesse AZ, Yirgu G, Deino A, Hutchison W, Mounier A, Oppenheimer C. Age of the oldest known Homo sapiens from eastern Africa. Nature 2022; 601:579-583. [PMID: 35022610 PMCID: PMC8791829 DOI: 10.1038/s41586-021-04275-8] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 11/23/2021] [Indexed: 12/02/2022]
Abstract
Efforts to date the oldest modern human fossils in eastern Africa, from Omo-Kibish1-3 and Herto4,5 in Ethiopia, have drawn on a variety of chronometric evidence, including 40Ar/39Ar ages of stratigraphically associated tuffs. The ages that are generally reported for these fossils are around 197 thousand years (kyr) for the Kibish Omo I3,6,7, and around 160-155 kyr for the Herto hominins5,8. However, the stratigraphic relationships and tephra correlations that underpin these estimates have been challenged6,8. Here we report geochemical analyses that link the Kamoya's Hominid Site (KHS) Tuff9, which conclusively overlies the member of the Omo-Kibish Formation that contains Omo I, with a major explosive eruption of Shala volcano in the Main Ethiopian Rift. By dating the proximal deposits of this eruption, we obtain a new minimum age for the Omo fossils of 233 ± 22 kyr. Contrary to previous arguments6,8, we also show that the KHS Tuff does not correlate with another widespread tephra layer, the Waidedo Vitric Tuff, and therefore cannot anchor a minimum age for the Herto fossils. Shifting the age of the oldest known Homo sapiens fossils in eastern Africa to before around 200 thousand years ago is consistent with independent evidence for greater antiquity of the modern human lineage10.
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Affiliation(s)
- Céline M Vidal
- Department of Geography, University of Cambridge, Cambridge, UK.
- Fitzwilliam College, University of Cambridge, Cambridge, UK.
| | | | - Asfawossen Asrat
- School of Earth Sciences, Addis Ababa University, Addis Ababa, Ethiopia
- Department of Mining and Geological Engineering, Botswana International University of Science and Technology, Palapye, Botswana
| | - Dan N Barfod
- NEIF Argon Isotopes, University of Glasgow, SUERC, Glasgow, UK
| | - Darren F Mark
- NEIF Argon Isotopes, University of Glasgow, SUERC, Glasgow, UK
| | | | - Amdemichael Zafu Tadesse
- Department of Geosciences, Environment and Society, Université Libre de Bruxelles, Brussels, Belgium
| | - Gezahegn Yirgu
- School of Earth Sciences, Addis Ababa University, Addis Ababa, Ethiopia
| | - Alan Deino
- Berkeley Geochronology Center, Berkeley, CA, USA
| | - William Hutchison
- School of Earth and Environmental Sciences, University of St Andrews, St Andrews, UK
| | - Aurélien Mounier
- Histoire Naturelle de l'Homme Préhistorique (HNHP, UMR 7194), MNHN/CNRS/UPVD, Musée de l'Homme, Paris, France
- Leverhulme Centre for Human Evolutionary Studies, Department of Archaeology, University of Cambridge, Cambridge, UK
| | - Clive Oppenheimer
- Department of Geography, University of Cambridge, Cambridge, UK
- McDonald Institute for Archaeological Research, Cambridge, UK
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Levin B, Simonov E, Franchini P, Mugue N, Golubtsov A, Meyer A. Rapid adaptive radiation in a hillstream cyprinid fish in the East African White Nile River basin. Mol Ecol 2021; 30:5530-5550. [PMID: 34409661 DOI: 10.1111/mec.16130] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 08/02/2021] [Accepted: 08/11/2021] [Indexed: 12/14/2022]
Abstract
Adaptive radiation of freshwater fishes was long thought to be possible only in lacustrine environments. Recently, several studies have shown that riverine and stream environments also provide the ecological opportunity for adaptive radiation. In this study, we report on a riverine adaptive radiation of six ecomorphs of cyprinid hillstream fishes of the genus Garra in a river located in the Ethiopian Highlands in East Africa. Garra are predominantly highly specialized algae-scrapers with a wide distribution ranging from Southeast Asia to West Africa. However, adaptive phenotypic diversification in mouth type, sucking disc morphology, gut length and body shape have probably been found among these ecomorphs in a single Ethiopian river. Moreover, we found two novel phenotypes of Garra ("thick-lipped" and "predatory") that had not been discovered before in this species-rich genus (>160 species). Mitochondrial and genome-wide data suggest monophyletic, intrabasin evolution of Garra phenotypic diversity with signatures of gene flow from other local populations. Although sympatric ecomorphs are genetically distinct and can be considered to being young species as suggested by genome-wide single nucleotide polymorphism data, mitochondrial DNA was unable to identify any genetic structure suggesting recent and rapid speciation events. Some data suggest a hybrid origin of the novel "thick-lipped" ecomorph. Here we highlight how, driven by ecological opportunity, an ancestral trophically highly specialized lineage is likely to have rapidly radiated in a riverine environment promoted by the evolution of novel feeding strategies.
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Affiliation(s)
- Boris Levin
- Papanin Institute of Biology of Inland Waters, Russian Academy of Sciences, Borok, Russia.,Zoological Institute of Russian Academy of Sciences, Cherepovets State University, St. Petersburg, Russia
| | - Evgeniy Simonov
- Institute of Environmental and Agricultural Biology (X-BIO), University of Tyumen, Tyumen, Russia
| | - Paolo Franchini
- Department of Biology, University of Konstanz, Konstanz, Germany
| | - Nikolai Mugue
- Koltzov Institute for Developmental Biology, Russian Academy of Sciences, Moscow, Russia
| | - Alexander Golubtsov
- Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russia
| | - Axel Meyer
- Department of Biology, University of Konstanz, Konstanz, Germany
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