Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Complete Nucleotide Sequence of Tobacco Mosaic Virus Isolated from Wasabi(Eutrema wasabi Maxim.)

고추냉이에서 분리한 담배 모자이크 바이러스(TMV-W)의 전체 유전자 염기서열 분석

  • 이귀재 (전북대학교 농과대하 생물자원과학부)
  • Published : 2003.02.01
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Abstract

Genomic RNA sequence of a tobamovirus infecting Eutrema wasabi plant(TMV-W) was determined. The RNA is composed 6,298 nucleotide and contains four OREs encoding the protein of 180KD(OREI), 130KD(ORE2),30KD(ORF3) and 18KD(coat protein, ORF4). ORE4, ORF 3, ORF 2 and ORF 1 are overlaped by 130, 20 and 40 nucleotides, and the overapping region can be folded into a stable hairpin styucture. This includes the 3'non-coding region of 238 nucleotides, coat protein gene(537 nucleotides,179 amino acid), 30KD movement protein gene(825 nucleotides, 275 amino acid), 13(IKD protein gene(1,896 nucleotides, 632 amino acid) and 180KD protein gene(2,958 nucleotides, 986 amino acid). The genomic RNA sequence was compared with homologous regions of eleven other tobamoviruses. TMV-WTE was similar to TMV-WSF(98.6%) in nucleotide sequence.

고추냉이에 모자이크 병징을 나타내는 이병주로부터 고추냉이 모자이크 바이러스를 분리하였다. 고추냉이 모자이크 바이러스의 genomic RNA를 추출하여 전체 유전자 구조를 결정하였다. 유전자 전체길이는 6,298 염기를 가지고 있었으며, 4개 ORF로 구성 되어 있었다. ORF 1은 180KD 단백질, ORF 2는 130KD 단백질 , ORF 3은 30KD 단백질, ORF4는 18KD로 외피단백질로 구성되어 있었다. ORF 유전자간에는 ORF4와 ORF 3 유전자간 130개의 염기, ORF 2와 ORF 3 유전자갈 20개 염기 그리고 ORF 1 과 ORF2 유전자간에는 40개의 염기로 overlaps되어 있었다 3'NCR부분은 238개 염기, 외피단백질은 537개 염기, 30KD 이동단백질은 825개 염기, 130KD 단백질은 1,896개 염기와 180k단백질의 2,958개의 염기로 구성되어 있었다. TMV-WTF전체 염기 서열의 유전자 상동성에서는 비교 유전자에서 미보고된 일본의 TMV-WSF와 러시아의 TMV-crucifer와 각각 98.6%와 82.4%로 매우 높았다.

Keywords

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