Scorched mussels (BIVALVIA: MYTILIDAE: BRACHIDONTINAE) from the temperate coasts of South America: Phylogenetic relationships, trans-Pacific connections and the footprints of Quaternary glaciations

Berenice Trovant; J. M.(Lobo) Orensanz; Daniel E. Ruzzante; Wolfgang Stotz; Néstor G. Basso

doi:10.1016/j.ympev.2014.10.002

Scorched mussels (BIVALVIA: MYTILIDAE: BRACHIDONTINAE) from the temperate coasts of South America: Phylogenetic relationships, trans-Pacific connections and the footprints of Quaternary glaciations

Berenice Trovant, J. M.(Lobo) Orensanz, Daniel E. Ruzzante, Wolfgang Stotz, Néstor G. Basso

Medicine

Medicine

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

67 Citas (Scopus)

Resumen

This study addresses aspects of the phylogeny and phylogeography of scorched mussels (BIVALVIA: MYTILIDAE: BRACHIDONTINAE) from southern South America (Argentina and Chile), as well as their ecophylogenetic implications. Relationships were inferred from sequences of two nuclear (28S and 18S) and one mitochondrial (COI) genes, using Bayesian and maximum likelihood analyses. Our results indicate that the monophyletic BRACHIDONTINAE include three well supported clades: [i] Brachidontes Swainson (= Hormomya Mörch), [ii] Ischadium Jukes-Browne. +. Geukensia van de Poel, and [iii] Austromytilus Laseron. +. Mytilisepta Habe (usually considered a member of the SEPTIFERINAE). +. Perumytilus Olsson. Species of clade [iii] are distributed along the temperate coasts of the Pacific Ocean. Available evidence supports divergence between Austromytilus (Australia) and Perumytilus (South American) following the breakup of Australian, Antarctic and South American shelves. Four brachidontins occur in southern South America: Brachidontes rodriguezii (d'Orbigny), B. granulatus (Hanley), and two genetically distinct clades of Perumytilus. The latter are confined to the Chile-Peru (North Clade) and Magellanic (South Clade) Biogeographic Provinces, respectively warm- and cold-temperate. The South Clade is the only brachidontin restricted to cold-temperate waters. Biogeographic considerations and the fossil record prompted the hypothesis that the South Clade originated from the North Clade by incipient peripatric differentiation, followed by isolation during the Quaternary glaciations, genetic differentiation in the non-glaciated coasts of eastern Patagonia, back-expansion over southern Chile following post-LGM de-glaciation, and development of a secondary contact zone between the two clades in south-central Chile. Evidence of upper Pleistocene expansion of the South Clade parallels similar results on other organisms that have colonized coastal ecosystems from eastern Patagonia since the LGM, apparently occupying free ecological space. We emphasize that the assembly of communities cannot be explained solely in terms of environmental drivers, as history also matters.

Idioma original	English
Páginas (desde-hasta)	60-74
Número de páginas	15
Publicación	Molecular Phylogenetics and Evolution
Volumen	82
N.º	PA
DOI	https://doi.org/10.1016/j.ympev.2014.10.002
Estado	Published - ene. 1 2015

Nota bibliográfica

Funding Information:
We are grateful to Billy Ernst, Gustavo Lovrich, Simon Grove, Steve Gaines, Carolle Blanchette, Gray Williams, Craig Mundy and Hiroshi Wada for kindly assisting with the provision of samples for molecular analysis, and to Claudia del Río for access to the collections of the Invertebrate Paleontology Division, Museo Argentino de Ciencias Naturales, Buenos Aires. Noela Sanchez assisted with the retrieval of SST information. We deeply appreciate enlightening discussion with Enrique Lessa, Christian Ibañez and Ana Parma, the two latter in relation with Bayesian inference. We also thank Gregory McCracken and Ian Paterson (Marine Gene Probe Laboratory, Dalhousie University) for assistance in the laboratory. This study was funded by Project PICT/Raices 2012-0057, FONCYT, Argentina. This contribution is part of the doctoral thesis of BT. Finally we want to express our gratitude to two anonymous reviewers for thorough reading and thoughtful suggestions, which contributed to substantial improvement of the original MS.

Publisher Copyright:
© 2014 Elsevier Inc.

ASJC Scopus Subject Areas

Ecology, Evolution, Behavior and Systematics
Molecular Biology
Genetics

PubMed: MeSH publication types

Journal Article
Research Support, Non-U.S. Gov't

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10.1016/j.ympev.2014.10.002

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Trovant, B., Orensanz, J. M., Ruzzante, D. E., Stotz, W., & Basso, N. G. (2015). Scorched mussels (BIVALVIA: MYTILIDAE: BRACHIDONTINAE) from the temperate coasts of South America: Phylogenetic relationships, trans-Pacific connections and the footprints of Quaternary glaciations. Molecular Phylogenetics and Evolution, 82(PA), 60-74. https://doi.org/10.1016/j.ympev.2014.10.002

Scorched mussels (BIVALVIA: MYTILIDAE: BRACHIDONTINAE) from the temperate coasts of South America: Phylogenetic relationships, trans-Pacific connections and the footprints of Quaternary glaciations. / Trovant, Berenice; Orensanz, J. M.(Lobo); Ruzzante, Daniel E. et al.
En: Molecular Phylogenetics and Evolution, Vol. 82, N.º PA, 01.01.2015, p. 60-74.

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

Trovant, B, Orensanz, JM, Ruzzante, DE, Stotz, W & Basso, NG 2015, 'Scorched mussels (BIVALVIA: MYTILIDAE: BRACHIDONTINAE) from the temperate coasts of South America: Phylogenetic relationships, trans-Pacific connections and the footprints of Quaternary glaciations', Molecular Phylogenetics and Evolution, vol. 82, n.º PA, pp. 60-74. https://doi.org/10.1016/j.ympev.2014.10.002

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title = "Scorched mussels (BIVALVIA: MYTILIDAE: BRACHIDONTINAE) from the temperate coasts of South America: Phylogenetic relationships, trans-Pacific connections and the footprints of Quaternary glaciations",

abstract = "This study addresses aspects of the phylogeny and phylogeography of scorched mussels (BIVALVIA: MYTILIDAE: BRACHIDONTINAE) from southern South America (Argentina and Chile), as well as their ecophylogenetic implications. Relationships were inferred from sequences of two nuclear (28S and 18S) and one mitochondrial (COI) genes, using Bayesian and maximum likelihood analyses. Our results indicate that the monophyletic BRACHIDONTINAE include three well supported clades: [i] Brachidontes Swainson (= Hormomya M{\"o}rch), [ii] Ischadium Jukes-Browne. +. Geukensia van de Poel, and [iii] Austromytilus Laseron. +. Mytilisepta Habe (usually considered a member of the SEPTIFERINAE). +. Perumytilus Olsson. Species of clade [iii] are distributed along the temperate coasts of the Pacific Ocean. Available evidence supports divergence between Austromytilus (Australia) and Perumytilus (South American) following the breakup of Australian, Antarctic and South American shelves. Four brachidontins occur in southern South America: Brachidontes rodriguezii (d'Orbigny), B. granulatus (Hanley), and two genetically distinct clades of Perumytilus. The latter are confined to the Chile-Peru (North Clade) and Magellanic (South Clade) Biogeographic Provinces, respectively warm- and cold-temperate. The South Clade is the only brachidontin restricted to cold-temperate waters. Biogeographic considerations and the fossil record prompted the hypothesis that the South Clade originated from the North Clade by incipient peripatric differentiation, followed by isolation during the Quaternary glaciations, genetic differentiation in the non-glaciated coasts of eastern Patagonia, back-expansion over southern Chile following post-LGM de-glaciation, and development of a secondary contact zone between the two clades in south-central Chile. Evidence of upper Pleistocene expansion of the South Clade parallels similar results on other organisms that have colonized coastal ecosystems from eastern Patagonia since the LGM, apparently occupying free ecological space. We emphasize that the assembly of communities cannot be explained solely in terms of environmental drivers, as history also matters.",

author = "Berenice Trovant and Orensanz, {J. M.(Lobo)} and Ruzzante, {Daniel E.} and Wolfgang Stotz and Basso, {N{\'e}stor G.}",

note = "Funding Information: We are grateful to Billy Ernst, Gustavo Lovrich, Simon Grove, Steve Gaines, Carolle Blanchette, Gray Williams, Craig Mundy and Hiroshi Wada for kindly assisting with the provision of samples for molecular analysis, and to Claudia del R{\'i}o for access to the collections of the Invertebrate Paleontology Division, Museo Argentino de Ciencias Naturales, Buenos Aires. Noela Sanchez assisted with the retrieval of SST information. We deeply appreciate enlightening discussion with Enrique Lessa, Christian Iba{\~n}ez and Ana Parma, the two latter in relation with Bayesian inference. We also thank Gregory McCracken and Ian Paterson (Marine Gene Probe Laboratory, Dalhousie University) for assistance in the laboratory. This study was funded by Project PICT/Raices 2012-0057, FONCYT, Argentina. This contribution is part of the doctoral thesis of BT. Finally we want to express our gratitude to two anonymous reviewers for thorough reading and thoughtful suggestions, which contributed to substantial improvement of the original MS. Publisher Copyright: {\textcopyright} 2014 Elsevier Inc.",

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N2 - This study addresses aspects of the phylogeny and phylogeography of scorched mussels (BIVALVIA: MYTILIDAE: BRACHIDONTINAE) from southern South America (Argentina and Chile), as well as their ecophylogenetic implications. Relationships were inferred from sequences of two nuclear (28S and 18S) and one mitochondrial (COI) genes, using Bayesian and maximum likelihood analyses. Our results indicate that the monophyletic BRACHIDONTINAE include three well supported clades: [i] Brachidontes Swainson (= Hormomya Mörch), [ii] Ischadium Jukes-Browne. +. Geukensia van de Poel, and [iii] Austromytilus Laseron. +. Mytilisepta Habe (usually considered a member of the SEPTIFERINAE). +. Perumytilus Olsson. Species of clade [iii] are distributed along the temperate coasts of the Pacific Ocean. Available evidence supports divergence between Austromytilus (Australia) and Perumytilus (South American) following the breakup of Australian, Antarctic and South American shelves. Four brachidontins occur in southern South America: Brachidontes rodriguezii (d'Orbigny), B. granulatus (Hanley), and two genetically distinct clades of Perumytilus. The latter are confined to the Chile-Peru (North Clade) and Magellanic (South Clade) Biogeographic Provinces, respectively warm- and cold-temperate. The South Clade is the only brachidontin restricted to cold-temperate waters. Biogeographic considerations and the fossil record prompted the hypothesis that the South Clade originated from the North Clade by incipient peripatric differentiation, followed by isolation during the Quaternary glaciations, genetic differentiation in the non-glaciated coasts of eastern Patagonia, back-expansion over southern Chile following post-LGM de-glaciation, and development of a secondary contact zone between the two clades in south-central Chile. Evidence of upper Pleistocene expansion of the South Clade parallels similar results on other organisms that have colonized coastal ecosystems from eastern Patagonia since the LGM, apparently occupying free ecological space. We emphasize that the assembly of communities cannot be explained solely in terms of environmental drivers, as history also matters.

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Scorched mussels (BIVALVIA: MYTILIDAE: BRACHIDONTINAE) from the temperate coasts of South America: Phylogenetic relationships, trans-Pacific connections and the footprints of Quaternary glaciations

Resumen

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ASJC Scopus Subject Areas

PubMed: MeSH publication types

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