Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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Cytochrome Oxidase Subunit II (COII) Sequence Analysis of Root-knot Nematode, Meloidogyne sp. HSC, Infesting Yam (Dioscorea bulbifera)

둥근마(Dioscorea bulbifera)를 가해하는 뿌리혹선충(Meloidogyne sp. HSC)의 Cytochrome Oxidase Subunit II (COII) 염기서열 분석

  • Han, Sang-Chan (Department of Agricultural Biology, Andong National University) ;
  • Kang, Sang-Jin (Department of Agricultural Biology, Andong National University) ;
  • Kim, Yong-Gyun (Department of Agricultural Biology, Andong National University)
  • Published : 2007.04.30
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Abstract

Root-knot nematode damage was found on yam, Dioscorea bulbifera in Andong Korea. From the root-knots, female nematodes were isolated and subjected to DNA sequence analysis. Sequence of cytochrome oxidase subunit II (COII) was analyzed from the genomic DNA of the isolate. COII locus size and sequence of the nematode isolate were similar to those of Meloidogyne javanica or M. incognita. However, an analysis of HinfI restriction site, a species-specific character between these two species, showed that the isolate did not match to either M. javanica or M. incognita.

경북 안동에서 재배하는 둥근마(Dioscorea bulbifera)에서 뿌리혹선충 피해가 발견되었다. 피해 괴경에서 다수의 암컷 선충을 분리하였고, 이들의 cytochrome oxidase subunit II (COII) DNA 서열을 분석하였다. 둥근마의 뿌리혹 형성을 유도하는 식물 선충의 COII 유전자위 크기와 염기서열은 Meloidogyne javanica 또는 M. incognita의 해당 영역과 높은 유사도를 보였다. 그러나 이들 두 종을 구분하는데 이용되는 제한효소(HinfI)위치에 있어서 본 둥근마로부터 분리된 뿌리혹선충은 이들 두 종과 뚜렷한 차이를 보였다.

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References

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