A new virus, classifiable in the family Tombusviridae, found infecting Solanum tuberosum in the UK

Archives of Virology
Wendy Monger, Colin Jeffries

Abstract

A novel virus was discovered in a freeze-dried collection held at SASA, UK, originating from potato (Solanum tuberosum) cv. Nadine. The complete sequence of the viral RNA was determined to be 3674 nucleotides in length encoding five predicted proteins. Based on the deduced genome organization and phylogenetic analysis, this virus represents a putative new member of the genus Alphanecrovirus, family Tombusviridae, most closely related to isolates of Olive mild mosaic virus. The virus was easily transmitted to indicator plants with symptoms that were slower to develop and less severe than those of related viruses. To distinguish this virus, the clearest symptom differences occurred with Nicotiana debneyi, Chenopodium amaranticolor and Ch. quinoa. The virus was detected with antisera to the related viruses tobacco necrosis virus A and tobacco necrosis virus D. The close association to the tobacco necrosis viruses would suggest this virus is not a new introduction to potato but in the past has been misidentified as one of these viruses. The virus isolate has been named potato necrosis virus.

References

Dec 26, 2001·Nucleic Acids Research·Laurent FalquetAmos Bairoch
Apr 27, 2002·The Journal of Biological Chemistry·Marçal VilarIsmael Mingarro
Jan 1, 1996·Annual Review of Phytopathology·R N Campbell
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Dec 20, 2013·Archives of Virology·C M R VarandaM R Félix

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Citations

Jul 7, 2020·EFSA Journal·UNKNOWN EFSA Panel on Plant Health (PLH)Francesco Di Serio

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Datasets Mentioned

BETA
KP901095
AY616760
AF452884

Methods Mentioned

BETA
PCR
ELISA

Software Mentioned

MEGA
clustal
Megalign
DNASTAR
lasergene

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