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New Sicydiinae phylogeny (Teleostei: Gobioidei) inferred from mitochondrial and nuclear genes: Insights on systematics and ancestral areas

Taillebois, Laura, Castelin, Magalie, Lord, Clara, Chabarria, Ryan, Dettai, Agnes and Keith, P (2014). New Sicydiinae phylogeny (Teleostei: Gobioidei) inferred from mitochondrial and nuclear genes: Insights on systematics and ancestral areas. Molecular Phylogenetics and Evolution,70:260-271.

Document type: Journal Article
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IRMA ID 82057923xPUB569
Title New Sicydiinae phylogeny (Teleostei: Gobioidei) inferred from mitochondrial and nuclear genes: Insights on systematics and ancestral areas
Author Taillebois, Laura
Castelin, Magalie
Lord, Clara
Chabarria, Ryan
Dettai, Agnes
Keith, P
Journal Name Molecular Phylogenetics and Evolution
Publication Date 2014
Volume Number 70
ISSN 1055-7903   (check CDU catalogue  open catalogue search in new window)
Scopus ID 2-s2.0-84886228725
Start Page 260
End Page 271
Total Pages 12
Place of Publication United States
Publisher Academic Press
HERDC Category C1 - Journal Article (DIISR)
Abstract The Sicydiinae subfamily (Teleostei: Gobioidei) is the biggest contributor to the diversity of fish communities in river systems of tropical islands. These species are found in the Indo-Pacific area, the Caribbean region and West Africa. They spawn in freshwater, their planktotrophic larvae drift downstream to the sea where they develop, before returning to the rivers to grow and reproduce. Hence, they are called amphidromous. Their phylogeny has been explored using a total of 3545 sites from 5 molecular markers (mitochondrial DNA: 16S rDNA, cytochrome oxidase I, cytochrome b; nuclear DNA: rhodopsin gene and a nuclear marker specially developed for this study, the interferon regulatory factor 2 binding protein 1-IRF2PB1). Sequences were obtained for 59 Sicydiinae specimens of 9 known genera. The Bayesian and maximum likelihood analyses support the monophyly of the subfamily as well as the monophylyof all genera except Sicydium, which is paraphyletic. Five major clades were identified within this subfamily. One clade contained the genus Stiphodon. Another clade contained Sicyopterus, Sicydium and Parasicydium with Sicyopterus as sister genus of Sicydium. The non-monophyly of Sicydium subclade, because it includes the monotypic genus Parasicydium, challenged the validity of Parasicydium genus. Ancestral area reconstruction showed that the subfamily emerged in the Central West Pacific region implying that previous hypotheses proposing a dispersal route for Sicydiinae into the Atlantic Ocean are unsupported by the present analysis. Our results suggest that the hypotheses for the dispersal route of the genus Sicydium should be reconsidered.
Keywords Molecular phylogeny
Sicydiinae
Dispersal
Amphidromy
Ancestral areas
DOI http://dx.doi.org/10.1016/j.ympev.2013.09.026   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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