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| Pàgina inicial > Articles > Articles publicats > Two hundred and five newly assembled mitogenomes provide mixed evidence for rivers as drivers of speciation for Amazonian primates |
(University of Salford. School of Science, Engineering & Environment) (Mamirauá Institute for Sustainable Development) (University of Salford. School of Science, Engineering & Environment) (University of Salford. School of Science, Engineering & Environment) (Institut de Biologia Evolutiva (UPF-CSIC) (Barcelona)) (Rutgers University. Department of Genetics) (University of Calgary. Department of Anthropology and Archaeology) (Institut Català de Paleontologia Miquel Crusafont) (University of Salford. School of Science, Engineering & Environment) (Universidade Federal de Rondônia. Department of Biology) (Universidade Federal do Pará (Brazil)) (Universidade Federal do Amazonas (Brazil)) (Universidade Federal de Viçosa. Department of Forestry Engineering) (Mamirauá Institute for Sustainable Development) (Trinity University. Department of Biology (USA)) (University of Salford. School of Science, Engineering & Environment)
| Data: | 2022 |
| Resum: | Mitochondrial DNA remains a cornerstone for molecular ecology, especially for study species from which high-quality tissue samples cannot be easily obtained. Methods using mitochondrial markers are usually reliant on reference databases, but these are often incomplete. Furthermore, available mitochondrial genomes often lack crucial metadata, such as sampling location, limiting their utility for many analyses. Here, we assembled 205 new mitochondrial genomes for platyrrhine primates, most from the Amazon and with known sampling locations. We present a dated mitogenomic phylogeny based on these samples along with additional published platyrrhine mitogenomes, and use this to assess support for the long-standing riverine barrier hypothesis (RBH), which proposes that river formation was a major driver of speciation in Amazonian primates. Along the Amazon, Negro, and Madeira rivers, we found mixed support for the RBH. While we identified divergences that coincide with a river barrier, only some occur synchronously and also overlap with the proposed dates of river formation. The most compelling evidence is for the Amazon river potentially driving speciation within bearded saki monkeys (Chiropotes spp. ) and within the smallest extant platyrrhines, the marmosets and tamarins. However, we also found that even large rivers do not appear to be barriers for some primates, including howler monkeys (Alouatta spp. ), uakaris (Cacajao spp. ), sakis (Pithecia spp. ), and robust capuchins (Sapajus spp. ). Our results support a more nuanced, clade-specific effect of riverine barriers and suggest that other evolutionary mechanisms, besides the RBH and allopatric speciation, may have played an important role in the diversification of platyrrhines. |
| Ajuts: | European Commission 864203 Agencia Estatal de Investigación BFU2017-86471-P Agencia Estatal de Investigación CEX2018-000792-M Agència de Gestió d'Ajuts Universitaris i de Recerca 2017/SGR-880 European Commission 801505 |
| Nota: | Altres ajuts: CERCA Programme/Generalitat de Catalunya |
| Drets: | Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.  |
| Llengua: | Anglès |
| Document: | Article ; recerca ; Versió publicada |
| Matèria: | Mitochondrial DNA ; Molecular phylogenetics ; Platyrrhines ; Riverine barrier hypothesis ; South American primates |
| Publicat a: | Molecular ecology, 2022 , ISSN 1365-294X |
