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Beet western yellows virus infects the carnivorous plant Nepenthes mirabilis

Abstract : Although poleroviruses are known to infect a broad range of higher plants, carnivorous plants have not yet been reported as hosts. Here, we describe the first polerovirus naturally infecting the pitcher plant Nepenthes mirabilis. The virus was identified through bioinformatic analysis of NGS transcriptome data. The complete viral genome sequence was assembled from overlapping PCR fragments and shown to share 91.1 % nucleotide sequence identity with the US isolate of beet western yellows virus (BWYV). Further analysis of other N. mirabilis plants revealed the presence of additional BWYV isolates differing by several insertion/deletion mutations in ORF5.
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Sissi Miguel, Flore Biteau, Benoit Mignard, Armelle Marais, Thierry Candresse, et al.. Beet western yellows virus infects the carnivorous plant Nepenthes mirabilis. Archives of Virology, Springer Verlag, 2016, 161 (8), pp.2273-2278. ⟨10.1007/s00705-016-2891-y⟩. ⟨hal-01477464⟩



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