Plant Pathol J > Volume 21(4); 2005 > Article
The Plant Pathology Journal 2005;21(4):361-368.
DOI:    Published online December 31, 2005.
Molecular Characterization and Infectious cDNA Clone of a Korean Isolate of Pepper mild mottle virus from Pepper
Ju Yeon Yoon, Jin Sung Hong, Min Jea Kim, Ju Hee Ha, Gug Seon Choi, Jang Kyung Choi, Ki Hyun Ryu
A Korean isolate of Pepper mild mottle virus (PMMoVKr) was isolated from a diseased hot pepper plant and its biological and molecular properties were compared to that of PMMoV-J and PMMoV-S. The genomic RNA of PMMoV-Kr consists of 6,356 nucleotides. The nucleotide and amino acid sequences identities of four viral proteins and two noncoding regions among PMMoV-Kr, PMMoV-S and PMMoV-J were 96.9% to 100.0% and 97.5% to 98.6%, respectively. Full-length cDNA amplicon of PMMoV-Kr was directly amplified by RT-PCR with a set of 5`-end primer anchoring T7 RNA promoter sequence and 3`-end virus-specific primer. Capped transcript RNAs from the full-length cDNA clone were highly infectious and caused characteristic symptoms of wild type PMMoV when mechanically inoculated to systemic host plants such as Nicotiana benthamiana and pepper plants.
Key Words: genome, infectious cDNA clone, pepper, Pepper mild mottle virus, sequence, Tobamovirus

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