Evolving genetic code

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概要

• 論文の詳細を見る

• In 1985, we reported that a bacterium, Mycoplasma capricolum, used a deviant genetic code, namely UGA, a “universal” stop codon, was read as tryptophan. This finding, together with the deviant nuclear genetic codes in not a few organisms and a number of mitochondria, shows that the genetic code is not universal, and is in a state of evolution. To account for the changes in codon meanings, we proposed the codon capture theory stating that all the code changes are non-disruptive without accompanied changes of amino acid sequences of proteins. Supporting evidence for the theory is presented in this review. A possible evolutionary process from the ancient to the present-day genetic code is also discussed.

• 日本学士院の論文

著者

• Osawa Syozo

  Nagoya Univ. And Hiroshima Univ.

• OHAMA Takeshi

  Kochi University of Technology, Department of Environmental System Engineering

• INAGAKI Yuji

  University of Tsukuba, Center for Computational Sciences, Institute of Biological Sciences

• BESSHO Yoshitaka

  Genomic Sciences Center, Yokohama Institute, RIKEN

• OSAWA Syozo

  Nagoya University and Hiroshima University

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• Mode of morphological differentiation in the Latitarsiground beetles (Coleoptera, Carabidae) of the world inferred from a phylogenetic tree of mitochondrial ND5 gene sequences
• Phylogenetic relationships in the division Lipastromorphi (Coleoptera, Carabidae) of the world as deduced from mitochondrial ND5 gene sequences
• Differentiation within the genus Leptocarabus (excl. L.kurilensis) in the Japanese Islands as deduced from mitochondrial ND5 gene sequences (Coleoptera, Carabidae)
• Damaster blaptoides (Coleoptera, Carabidae) from Brat Chirpoyev Island of the Kurils, Russia
• Evolving genetic code

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