Relationship among coelacanths, lungfishes, and tetrapods: A phylogenetic analysis based on mitochondrial cytochrome oxidase I gene sequences

Shin ichi Yokobori, Masami Hasegawa, Takuya Ueda, Norihiro Okada, Kazuya Nishikawa, Kimitsuna Watanabe

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

To clarify the relationship among coelacanths, lungfishes, and tetrapods, the amino acid sequences deduced from the nucleotide sequences of mitochondrial cytochrome oxidase subunit I (COI) genes were compared. The phylogenetic tree of these animals, including the coelacanth Latimeria chalumnae and the lungfish Lepidosiren paradoxa, was inferred by several methods. These analyses consistently indicate a coelacanth/lungfish clade, to which little attention has been paid by previous authors with the exception of some morphologists. Overall evidence of other mitochondrial genes reported previously and the results of this study equally support the coelacanth/lungfish and lungfish/tetrapod clades, ruling out the coelacanth/tetrapod clade.

Original languageEnglish
Pages (from-to)602-609
Number of pages8
JournalJournal of Molecular Evolution
Volume38
Issue number6
DOIs
Publication statusPublished - 1994 Jan 1
Externally publishedYes

Fingerprint

Mitochondrial Genes
tetrapod
Electron Transport Complex IV
cytochrome-c oxidase
cytochrome
Amino Acid Sequence
phylogenetics
nucleotide sequences
gene
phylogeny
Genes
genes
amino acid sequences
amino acid
animals
animal
analysis
Coelacanthiformes
methodology
Latimeria

Keywords

  • Coelacanth Latimeria chalumnae
  • Cytochrome oxidase subunit I (COI)
  • Lungfish Lepidosiren paradoxa
  • Maximum likelihood inference of protein phylogeny
  • Origin of tetrapods

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Molecular Biology
  • Genetics

Cite this

Relationship among coelacanths, lungfishes, and tetrapods : A phylogenetic analysis based on mitochondrial cytochrome oxidase I gene sequences. / Yokobori, Shin ichi; Hasegawa, Masami; Ueda, Takuya; Okada, Norihiro; Nishikawa, Kazuya; Watanabe, Kimitsuna.

In: Journal of Molecular Evolution, Vol. 38, No. 6, 01.01.1994, p. 602-609.

Research output: Contribution to journalArticle

Yokobori, Shin ichi ; Hasegawa, Masami ; Ueda, Takuya ; Okada, Norihiro ; Nishikawa, Kazuya ; Watanabe, Kimitsuna. / Relationship among coelacanths, lungfishes, and tetrapods : A phylogenetic analysis based on mitochondrial cytochrome oxidase I gene sequences. In: Journal of Molecular Evolution. 1994 ; Vol. 38, No. 6. pp. 602-609.
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