(7)キュウリモザイクウイルスダイズ系統(SSV)の栽培ダイズ,野生ダイズへの適応

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Other Title
  • Adaptation of Cucumber mosaic virus Soybean Strains (SSVs) to Cultivated and Wild Soybeans

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Abstract

Cucumber mosaic virus soybean strains (SSVs) were inoculated onto 23 wild soybeans collected from 4 Asian countries to investigate their infectivity toward understanding of the co-evolution of SSV and soybean. SSV inoculation resulted in systemic infection in most of the wild soybeans used. However, a SSV strain (SSV-In), which was isolated in Indonesia, did not result in systemic infection of many of the wild soybeans distributed in southern Japan. In the present study, the nucleotide sequences of the 3a and CP genes of SSV were determined, and the data were used to classify^7 SSV isolates among known CMV strains. The phylogenetic analysis showed that the 7 SSVs formed a distinct cluster separated from the other CMV strains despite their different geographical origins ; SSV-In was the most divergent of the 7 isolates. Comparison of the rates of synonymous and nonsynonymous substitution revealed that the SSV group had evolved faster than the subgroup IA. The implications of the findings are discussed in relation to the so-called Red Queen Hypothesis.

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Details 詳細情報について

  • CRID
    1570291227205541760
  • NII Article ID
    110002716807
  • NII Book ID
    AN0019269X
  • ISSN
    00319473
  • Text Lang
    en
  • Data Source
    • CiNii Articles

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