Characterization of a member of a new Potyvirus species infecting arracacha in Brazil |
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Authors: | A F Orílio A N Dusi N R Madeira and Alice Kazuko Inoue-Nagata |
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Institution: | (1) University of Brasília, Campus Universitário, CEP 70.910-900 Brasilia, DF, Brazil;(2) Embrapa Vegetables, Caixa Postal 218, CEP 70.359-970 Brasilia, DF, Brazil |
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Abstract: | An arracacha (Arracacia xanthorrhiza) plant collected in Brazil was found to be infected by a new virus. This viral isolate (named C17) systemically infected
Nicotiana benthamiana and Apium graveolens. A polyclonal antibody was raised, and analysis of our arracacha germplasm collection showed a high infection rate of C17-like
viruses (93% infection). Sequencing of the ca. 1.7 kb 3′-terminal genomic region revealed a typical potyvirus genome organization.
It shared less than 70% nucleotide identity with any other potyvirus sequence, which thus indicated that it is possibly a
member of a new Potyvirus species tentatively named Arracacha mottle virus (AMoV). |
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