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      Differentiation within the genus Leptocarabus (excl. L. kurilensis) in the Japanese Islands as deduced from mitochondrial ND5 gene sequences (Coleoptera, Carabidae).

      1 , , ,
      Genes & genetic systems
      Genetics Society of Japan

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          Abstract

          The phylogenetic trees have been constructed for the mitochondrial ND5 gene sequences from the Japanese Leptocarabus ground beetles, which contain 101 specimens collected from nearly the complete distribution ranges of them consisting of five morphological species, i.e., Leptocarabus procerulus, L. kumagaii, L. hiurai, L. kyushuensis and L. arboreus. On the trees, there are recognized two major lineages, each of which is further divided into two or more sublineages. The phylogenetic lines are geographically linked. Two or more species occur in a single lineage, and the same species appear in different lines. We suggest that transformation from one type of morphology to another took place in parallel in various periods of evolution of the Japanese Leptocarabus. From the phylogenetic tree and the dating from the nucleotide substitution rate and the geohistorical data it is inferred that the ancestry of all the Japanese Leptocarabus species was derived from a protoform of L. kyushuensis inhabited the ancient Japan area, followed by separation into two lineages after split of the Japanese Islands from the Eurasian Continent. They then propagated distribution to occupy their own habitat ranges, during which the morphological transformation took place in some lineages.

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          Author and article information

          Journal
          Genes Genet Syst
          Genes & genetic systems
          Genetics Society of Japan
          1341-7568
          1341-7568
          Dec 2000
          : 75
          : 6
          Affiliations
          [1 ] Lab. of Evolutionary Genetics, National Institute of Genetics, Mishima, 411-8540, Japan.
          Article
          10.1266/ggs.75.335
          11280008
          dbc0aa70-c2fb-455b-a492-2c1e14e4d663
          History

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