Nucleotide sequences of two Korean isolates of Cucumber green mottle mosaic virus |
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Authors: | Kim Sang-Min Lee Jung-Myung Yim Kyu-Ock Oh Man-Ho Park Jin-Woo Kim Kook-Hyung |
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Institution: | School of Agricultural Biotechnology, Center for Plant Molecular Genetics and Breeding Research, Seoul National University, Seoul 151-742, Korea. |
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Abstract: | The nucleotide sequences of the genomic RNAs of Cucumber green mottle mosaic virus Korean watermelon isolate (CGMMV-KW) and Korean oriental melon isolate (CGMMV-KOM) were determined and compared to the sequences of other tobamoviruses including CGMMV strains W and SH. Each CGMMV isolate had a genome of 6,424 nucleotides. Each also had 60 and 176 nucleotides of 5' and 3' untranslated regions (UTRs), respectively, and four open reading frames (ORF1-4). ORFs 1 to 4 encode proteins of 129, 186, 29, and 17.4 kDa, respectively. The nucleotide and deduced amino acid sequences of CGMMV-KOM and CGMMV-KW were more than 98.3% identical. When compared to other CGMMV strains in a phylogenetic analysis they were found to form a distinct virus clade, and were more distantly related to other tobamoviruses (23.5-56.7% identity). |
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