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Abstract ▼ AI-Helper

A molecular phylogenetic relationship inferred from mitochondrial cytochrome b gene sequence was developed based on analysis of Zacco species distributed in Korea as well as China, Japan and Taiwan. A maximum parsimony (MP) tree showed that Korean Z. temminckii and Z. koreanus formed a monophyletic ...

A molecular phylogenetic relationship inferred from mitochondrial cytochrome b gene sequence was developed based on analysis of Zacco species distributed in Korea as well as China, Japan and Taiwan. A maximum parsimony (MP) tree showed that Korean Z. temminckii and Z. koreanus formed a monophyletic clade, but the populations of Z. temminckii and Z. koreanus in the 'South Korean Subdistrict' region had genetic similarity with Japanese Z. temminckii. Korean Z. platypus had a closer relationship with Japanese members of the clade than with Chinese Z. platypus, which was more closely related to Opsariichthys uncirostris amurensis. The analysis of neighbor joining (NJ) tree may support a hypothesis that the clade of Z. platypus had genetically diverged from the common ancestor of Zacco species comprising Z. koreanus, Z. temminckii, Z. sieboldii and other species; thereafter a cladogenesis of Z. koreanus and Z. temmminckii had occurred from the ancestor of Z. sieboldii. Moreover, the Chinese Z. platypus had diverged far from the Korean Z. platypus and formed a phylogenetic relationship with O. uncirostris amurensis. Therefore, a more detailed study of the taxonomy and systematics of Zacco species in regard to their zoogeographical distributions is needed.

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