Research in Plant Disease 2003;9(2):89-93.
Published online June 30, 2003.
감자 "추백"에 발생한 Tobacco mosaic virus의 특성
김정수, 김재현, 최국선, 채수영, 김현란, 정봉남, 최용문
 
Characterization of Tobacco mosaic virus Isolated from Solanum tuberosum "Chubak" in Korea
Joung Soo Kim, Jae Hyun Kim, Gug Seoun Choi, Soo Young Choi, Hyun Ran Kim, Bong Nam Joung, Yong Mun Choi
Abstract
An isolate of Tobacco mosaic virus (TMV) was isolated from potato cultivar ``Chubak`` showing vein clearing and mild mosaic at Namhae in Korea. This isolate, TMV-St, was differentiated from other tobamoviruses based on biological properties, serological relationships and nucleotide sequence analyses of coat protein genes. TMV-St caused typical symptoms on four indicator plants as compared to the tobamovirus of TMVU1, Pepper mild mottle virus (PMMoV), and Tomato mosaic virus (ToMV), which caused economic losses in Solanaceous vegetables, tomato, pepper, and eggplant. Remarkably, the TMV-St induced distinctly different symptom of systemic chlorotic spots on Chenophodium murale. On C. murale, Gomphorena globosa, and Nicotiana rustica, the four viruses were classed by the virulence of systemic or local infections. In serological test TMV-St antiserum showed a precipitation line with each other tabamovirus. The CP gene of TMV-St contain 477 nucleotides, and the nucleotides sequence was the most similar to that of TMV-U1.
Key Words: Solanum tuberosum "Chubak", Tobacco mosaic virus


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