Comparison of small RNA profiles in Nicotiana benthamiana and Solanum lycopersicum infected by polygonum ringspot tospovirus reveals host-specific responses to viral infection

•PolRSV vsRNA size profile is different between Nicotiana benthamiana and tomato.•Allocation of vsRNAs to the M and S genomic segments is host-specific.•NSs reads are over-represented in Nicotiana benthamiana.•NSs reads are enriched in the viral strand in both hosts.•PolRSV shares properties with si...

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