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A mitochondrial genome phylogeny of Mytilidae (Bivalvia: Mytilida)

Title
A mitochondrial genome phylogeny of Mytilidae (Bivalvia: Mytilida)
Authors
Lee Y.Kwak H.Shin J.Kim S.-C.Kim T.Park J.-K.
Ewha Authors
박중기
SCOPUS Author ID
박중기scopus
Issue Date
2019
Journal Title
Molecular Phylogenetics and Evolution
ISSN
1055-7903JCR Link
Citation
Molecular Phylogenetics and Evolution vol. 139
Keywords
BivalviaMitochondrial genomeMolecular phylogenyMolluscaMytilidae
Publisher
Academic Press Inc.
Indexed
SCI; SCIE; SCOPUS scopus
Document Type
Article
Abstract
The family Mytilidae is a family of bivalve mussels that are distributed worldwide in diverse marine habitats. Within the family, classification systems and phylogenetic relationships among subfamilies remain not yet fully resolved. In this study, we newly determined 9 mitochondrial genome sequences from 7 subfamilies: Bathymodiolus thermophilus (Bathymodiolinae), Modiolus nipponicus (Modiolinae), Lithophaga curta (the first representative of Lithophaginae), Brachidontes mutabilis (Brachidontinae), Mytilisepta virgata (Brachidontinae), Mytilisepta keenae (Brachidontinae), Crenomytilus grayanus (Mytilinae), Gregariella coralliophaga (Crenellinae), and Septifer bilocularis (the first representative of Septiferinae). Phylogenetic trees using maximum likelihood and Bayesian inference methods for 28 mitochondrial genomes (including 19 previously published sequences) showed two major clades with high support values: Clade 1 ((Bathymodiolinae + Modiolinae) + (Lithophaginae + Limnoperninae)) and Clade 2 (((Mytilinae + Crenellinae) + Septiferinae) + Brachidontinae). The position of the genus Lithophaga (representing Lithophaginae) differed from a previously published molecular phylogeny. Divergence time analysis with a molecular clock indicated that lineage splitting among the major subfamilies of Mytilidae (including the habitat transition from marine to freshwater environments by ancestral Limnoperninae) occurred in the Mesozoic period, coinciding with high diversification rates of marine fauna during that time. This is the first mitochondrial genome-based phylogenetic study of the Mytilidae that covers nearly all subfamily members, excluding the subfamily Dacrydiinae. © 2019 Elsevier Inc.
DOI
10.1016/j.ympev.2019.106533
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일반대학원 > 에코과학부 > Journal papers
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