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J Gen Virol. 1992 May;73 ( Pt 5):1041-7.

The nucleotide sequence of an infectious insect-transmissible clone of the geminivirus Panicum streak virus.

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  • 1Department of Virus Research, John Innes Institute, John Innes Centre for Plant Science Research, Norwich, U.K.


The infectious genome of a Kenyan isolate of Panicum streak virus (PSV) has been cloned and sequenced. Infection of host plants was done using an Agrobacterium binary vector containing a partial repeat of the genome. Progeny virus from resultant infections proved to be transmissible by the leafhopper Cicadulina mbila (Naude). Comparisons of the amino acid sequences of PSV DNA-encoded proteins with those of previously characterized geminiviruses infecting monocotyledonous plants, including maize streak virus, revealed high levels of identity. The evolutionary relationship between PSV and other geminiviruses infecting monocotyledons is discussed.

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