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Phylogenetic relationships among nine scallop species (Bivalvia : Pectinidae) inferred from nucleotide sequences of one mitochondrial and three nuclear gene regions

Mahidol, Chulabhorn, Na-Nakorn, Uthairat, Sukmanomon, Srijanya, Yoosuk, Wantana, Taniguchi, Nobuhiko and Nguyen, Thuy T. T. 2007, Phylogenetic relationships among nine scallop species (Bivalvia : Pectinidae) inferred from nucleotide sequences of one mitochondrial and three nuclear gene regions, Journal of shellfish research, vol. 26, no. 1, pp. 25-32.

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Title Phylogenetic relationships among nine scallop species (Bivalvia : Pectinidae) inferred from nucleotide sequences of one mitochondrial and three nuclear gene regions
Author(s) Mahidol, Chulabhorn
Na-Nakorn, Uthairat
Sukmanomon, Srijanya
Yoosuk, Wantana
Taniguchi, Nobuhiko
Nguyen, Thuy T. T.
Journal name Journal of shellfish research
Volume number 26
Issue number 1
Start page 25
End page 32
Publisher National Shellfisheries Association
Place of publication [Ocean Springs, Miss.]
Publication date 2007-04
ISSN 0730-8000
1943-6319
Keyword(s) pectinidae
scallops
phylogeny
nucleotide sequences
Summary Current knowledge of the evolutionary relationships among scallop species (Mollusca: Bivalvia: Pectinidae) in the Indo-Pacific region is rather scanty. To enhance the understanding of the relationships within this group, phylogenies of nine species of scallops with the majority from coastal regions of Thailand, were reconstructed by maximum parsimony, maximum likelihood, and Bayesian methods using sequences of the 16S rRNA of the mitochondrial genome, and a fragment containing the ITS1, 5.8S and ITS2 genes of the nuclear DNA. The trees that resulted from the three methods of analysis were topologically identical, however, gained different levels of support at some nodes. Nine species were clustered into two major clades, corresponding to two subfamilies (Pectininae and Chlamydinae) of the three currently recognized subfamilies within Pectinidae. Overall, the relationships reported herein are mostly in accordance with the previous molecular studies that used sequences of the mtDNA cytochrome oxidase subunit I, and the classification system based on microsculpture of shell features and morphological characteristics of juveniles. Levels of divergences were different among genes (i.e., the 5.8S gene showed the lowest levels of nucleotide divergence at all levels, whereas the 16S rRNA showed the highest level of variation within species, and ITS2 gene revealed the highest level of divergence at higher levels).
Language eng
Field of Research 070401 Aquaculture
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2007, National Shellfisheries Association
Persistent URL http://hdl.handle.net/10536/DRO/DU:30021366

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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Created: Mon, 14 Dec 2009, 20:38:38 EST by Thuy Nguyen

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