NDLI: Phylogenetic differentiation between Atlantic Scomber colias and Pacific Scomber japonicus based on nuclear DNA sequences

Content Provider	Springer Nature Link
Author	Infante, Carlos Blanco, Enrique Zuasti, Eugenia Crespo, Aniela Manchado, Manuel
Copyright Year	2006
Abstract	In the classical taxonomy, three Scomber species are distinguished: S. scombrus, S. australasicus, and S. japonicus. Yet, some fish taxonomists have recently recognized Scomber colias, inhabiting the Atlantic Ocean, as a separate species from S. japonicus, distributed in the Pacific Ocean. Such proposal was based on significant mitochondrial DNA divergence as well as great phenotypic variation among individuals from these two ocean basins. However, in the absence of nuclear DNA data this issue remains still controversial. In this study, a phylogenetic analysis of nuclear 5S rDNA sequences was performed. A total of 30 individuals of S. colias collected in the Atlantic and 34␣specimens of S. japonicus from the Pacific were characterized. Moreover, nine individuals of Pacific S.␣australasicus and eight of Atlantic S. scombrus were included. Maximum likelihood, maximum parsimony, and neighbor-joining analyses revealed the presence of␣two well-supported distinct clades corresponding to S. colias and S. japonicus, respectively. Altogether, morphologic and genetic data are in agreement with the recognition of two different species, S. colias in the Atlantic, and S. japonicus in the Pacific.
Starting Page	1
Ending Page	8
Page Count	8
File Format	PDF
ISSN	00166707
Journal	Genetica
Volume Number	130
Issue Number	1
e-ISSN	15736857
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-08-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	5S rDNA Mackerels Phylogeny Scomber colias Scomber japonicus Microbial Genetics and Genomics Human Genetics Plant Genetics & Genomics Animal Genetics and Genomics Life Sciences
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science Medicine Animal Science and Zoology Insect Science

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