Evolutionary history of Otophysi (Teleostei), a major clade of the modern freshwater fishes: Pangaean origin and Mesozoic radiation
Abstract Background Freshwater harbors approximately 12,000 fish species accounting for 43% of the diversity of all modern fish. A single ancestral lineage evolved into about two-thirds of this enormous biodiversity (≈ 7900 spp.) and is currently distributed throughout the world's continents ex...
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ftdoajarticles:oai:doaj.org/article:a4c924c1d76541ebb57f5519cefa25ea 2023-05-15T13:33:52+02:00 Evolutionary history of Otophysi (Teleostei), a major clade of the modern freshwater fishes: Pangaean origin and Mesozoic radiation Saitoh Kenji Mabuchi Kohji Miya Masaki Nakatani Masanori Nishida Mutsumi 2011-06-01T00:00:00Z https://doi.org/10.1186/1471-2148-11-177 https://doaj.org/article/a4c924c1d76541ebb57f5519cefa25ea EN eng BMC http://www.biomedcentral.com/1471-2148/11/177 https://doaj.org/toc/1471-2148 doi:10.1186/1471-2148-11-177 1471-2148 https://doaj.org/article/a4c924c1d76541ebb57f5519cefa25ea BMC Evolutionary Biology, Vol 11, Iss 1, p 177 (2011) Evolution QH359-425 article 2011 ftdoajarticles https://doi.org/10.1186/1471-2148-11-177 2022-12-31T14:18:52Z Abstract Background Freshwater harbors approximately 12,000 fish species accounting for 43% of the diversity of all modern fish. A single ancestral lineage evolved into about two-thirds of this enormous biodiversity (≈ 7900 spp.) and is currently distributed throughout the world's continents except Antarctica. Despite such remarkable species diversity and ubiquity, the evolutionary history of this major freshwater fish clade, Otophysi, remains largely unexplored. To gain insight into the history of otophysan diversification, we constructed a timetree based on whole mitogenome sequences across 110 species representing 55 of the 64 families. Results Partitioned maximum likelihood analysis based on unambiguously aligned sequences (9923 bp) confidently recovered the monophyly of Otophysi and the two constituent subgroups (Cypriniformes and Characiphysi). The latter clade comprised three orders (Gymnotiformes, Characiformes, Siluriformes), and Gymnotiformes was sister to the latter two groups. One of the two suborders in Characiformes (Characoidei) was more closely related to Siluriformes than to its own suborder (Citharinoidei), rendering the characiforms paraphyletic. Although this novel relationship did not receive strong statistical support, it was supported by analyzing independent nuclear markers. A relaxed molecular clock Bayesian analysis of the divergence times and reconstruction of ancestral habitats on the timetree suggest a Pangaean origin and Mesozoic radiation of otophysans. Conclusions The present timetree demonstrates that survival of the ancestral lineages through the two consecutive mass extinctions on Pangaea, and subsequent radiations during the Jurassic through early Cretaceous shaped the modern familial diversity of otophysans. This evolutionary scenario is consistent with recent arguments based on biogeographic inferences and molecular divergence time estimates. No fossil otophysan, however, has been recorded before the Albian, the early Cretaceous 100-112 Ma, creating an over 100 million year ... Article in Journal/Newspaper Antarc* Antarctica Directory of Open Access Journals: DOAJ Articles BMC Evolutionary Biology 11 1 |
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Evolution QH359-425 |
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Evolution QH359-425 Saitoh Kenji Mabuchi Kohji Miya Masaki Nakatani Masanori Nishida Mutsumi Evolutionary history of Otophysi (Teleostei), a major clade of the modern freshwater fishes: Pangaean origin and Mesozoic radiation |
topic_facet |
Evolution QH359-425 |
description |
Abstract Background Freshwater harbors approximately 12,000 fish species accounting for 43% of the diversity of all modern fish. A single ancestral lineage evolved into about two-thirds of this enormous biodiversity (≈ 7900 spp.) and is currently distributed throughout the world's continents except Antarctica. Despite such remarkable species diversity and ubiquity, the evolutionary history of this major freshwater fish clade, Otophysi, remains largely unexplored. To gain insight into the history of otophysan diversification, we constructed a timetree based on whole mitogenome sequences across 110 species representing 55 of the 64 families. Results Partitioned maximum likelihood analysis based on unambiguously aligned sequences (9923 bp) confidently recovered the monophyly of Otophysi and the two constituent subgroups (Cypriniformes and Characiphysi). The latter clade comprised three orders (Gymnotiformes, Characiformes, Siluriformes), and Gymnotiformes was sister to the latter two groups. One of the two suborders in Characiformes (Characoidei) was more closely related to Siluriformes than to its own suborder (Citharinoidei), rendering the characiforms paraphyletic. Although this novel relationship did not receive strong statistical support, it was supported by analyzing independent nuclear markers. A relaxed molecular clock Bayesian analysis of the divergence times and reconstruction of ancestral habitats on the timetree suggest a Pangaean origin and Mesozoic radiation of otophysans. Conclusions The present timetree demonstrates that survival of the ancestral lineages through the two consecutive mass extinctions on Pangaea, and subsequent radiations during the Jurassic through early Cretaceous shaped the modern familial diversity of otophysans. This evolutionary scenario is consistent with recent arguments based on biogeographic inferences and molecular divergence time estimates. No fossil otophysan, however, has been recorded before the Albian, the early Cretaceous 100-112 Ma, creating an over 100 million year ... |
format |
Article in Journal/Newspaper |
author |
Saitoh Kenji Mabuchi Kohji Miya Masaki Nakatani Masanori Nishida Mutsumi |
author_facet |
Saitoh Kenji Mabuchi Kohji Miya Masaki Nakatani Masanori Nishida Mutsumi |
author_sort |
Saitoh Kenji |
title |
Evolutionary history of Otophysi (Teleostei), a major clade of the modern freshwater fishes: Pangaean origin and Mesozoic radiation |
title_short |
Evolutionary history of Otophysi (Teleostei), a major clade of the modern freshwater fishes: Pangaean origin and Mesozoic radiation |
title_full |
Evolutionary history of Otophysi (Teleostei), a major clade of the modern freshwater fishes: Pangaean origin and Mesozoic radiation |
title_fullStr |
Evolutionary history of Otophysi (Teleostei), a major clade of the modern freshwater fishes: Pangaean origin and Mesozoic radiation |
title_full_unstemmed |
Evolutionary history of Otophysi (Teleostei), a major clade of the modern freshwater fishes: Pangaean origin and Mesozoic radiation |
title_sort |
evolutionary history of otophysi (teleostei), a major clade of the modern freshwater fishes: pangaean origin and mesozoic radiation |
publisher |
BMC |
publishDate |
2011 |
url |
https://doi.org/10.1186/1471-2148-11-177 https://doaj.org/article/a4c924c1d76541ebb57f5519cefa25ea |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_source |
BMC Evolutionary Biology, Vol 11, Iss 1, p 177 (2011) |
op_relation |
http://www.biomedcentral.com/1471-2148/11/177 https://doaj.org/toc/1471-2148 doi:10.1186/1471-2148-11-177 1471-2148 https://doaj.org/article/a4c924c1d76541ebb57f5519cefa25ea |
op_doi |
https://doi.org/10.1186/1471-2148-11-177 |
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BMC Evolutionary Biology |
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11 |
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1766046566259359744 |