콩(Glycine max)에서 콩위축바이러스(Soybean dwarf virus)의 최초 발생보고

다국어 초록 (Multilingual Abstract)

In year 2003, a soybean (Glycine max) sample showing severe dwarfing symptom was collected from a farmers'
field in Cheongsong in Korea. The results from the diagnosis of the sample by RT-PCR revealed that it
was infected by Soybean dwarf virus (SbDV), SbDV-L81. This study could be the first report of the occurrence
of the virus in Korea. To further characterize the virus, the partial nucleotide sequence of the genomic RNA
of SbDV-L81 was determined by RT-PCR using species-specific primers. The sequences were analyzed and
subsequently compared to previously characterized strains of SbDV based on the pattern of symptom expression
and vector specificities. The intergenic region between ORF 2 and 3 and the coding regions of ORF 2, 3
and 4 were relatively similar to those of dwarfing strains (SbDV-DS and DP) rather than those of yellowing
strains (SbDV-YS and YP). Likewise, the result from the analysis of 5'-half of the coding region of ORF5 indicated
that SbDV-L81 was closely related to strains (SbDV-YP and DP) transmitted by Acyrthosiphon pisum.
These data from the natural symptom and the comparisons of five regions of nucleotide sequences of SbDV
suggested that SbDV-L81 might be closely related SbDV-DP.

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