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Molecular diversity of tobacco vein banding mosaic virus

Molecular diversity of tobacco vein banding mosaic virus,10.1007/s00705-007-1020-3,Archives of Virology,Y.-P. Tian,J.-L. Liu,X.-Q. Yu,L.-P. Lei,X.-P.

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Molecular diversity of tobacco vein banding mosaic virus   (Citations: 2)
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Summary  Tobacco vein banding mosaic virus (TVBMV) is of increasing importance in tobacco production on the Chinese mainland. The 3′-terminal genomic sequences (1624 nucleotides) of 12 TVBMV isolates from China were determined and compared to the sequences of only four TVBMV isolates available in databanks. The results revealed that TVBMV consists of several phylogenetically distinguishable strains that show a degree of correlation with the geographical origin. Two isolates from Yunnan had a unique putative NIb/CP proteolytic cleavage site of Q/N that is uncommon for potyviruses, whereas other TVBMV isolates had the more typical Q/G amino acids at that site. One isolate (ZB6) from Zibo, Shandong Province, was predicted to have experienced recombination within the characterized genomic region.
Journal: Archives of Virology - ARCH VIROL , vol. 152, no. 10, pp. 1911-1915, 2007
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    • ...Tobacco vein banding mosaic virus (TVBMV) is a distinct species of the largest plant virus genus Potyvirus, family Potyviridae [1, 9]. It has flexuous filamentous particles and can be transmitted by aphids in a non-persistent manner [4]...
    • ...TVBMV was first discovered in Taiwan in 1964 and was once a major threat to tobacco production in some regions including Taiwan and the northern USA [3, 5, 8]. The incidence of TVBMV has been increasing in major tobacco-growing areas of China in recent years [9]...
    • ...According to the coat protein-encoding sequences, TVBMV isolates form three groups that correspond to their geographical origins [9]...
    • ...based on coat-protein sequences [9], is considered a representative isolate of the prevalent TVBMV strain in...
    • ...TVBMV isolate HN39 was collected from a tobacco plant showing mild mosaic and vein banding in Henan Province [9]...

    H.-Y. Wang, et al. Complete genome sequence of a tobacco isolate of the tobacco vein band...

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