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Pepino mosaic virus (PepMV) has emerged as an important pathogen of greenhouse tomato crops and is currently distributed worldwide. Population genetic studies have revealed a shift in the dominant PepMV genotype from European (EU) to Chilean 2 (CH2) in North America and several European countries. New genetic variants are constantly being created by mutation and recombination events. Single nucleotide...
In this study the effect of host changes and multiple passages on Pepino mosaic virus (PepMV) evolution was analysed. A population of a mild isolate of PepMV was used to generate five independent evolution lineages on three tomato cultivars, which differ in rate of appearance of symptoms and their severity during viral infection (Beta Lux, Moneymaker and Malinowy Ożarowski) and on Datura inoxia. Twenty...
Viral cross-protection in plants is a phenomenon, where a mild virus isolate can protect plants against damage caused by a severe challenge isolate of the same virus. It has been used on a large scale in cases where no resistant plants are available. We examined differences in cross-protection between pathotypes of Pepino mosaic virus representing Chilean 2 genotype. The potential of a mild PepMV-P22...
Pepino mosaic virus (PepMV) has the potential to cause serious tomato disease. Several isolates of PepMV were collected beetween 2003–2010 in the Department of Virology and Bacteriology, Institute of Plant Protection – National Research Institute, Poznań, Poland. The isolates were obtained from greenhouse tomato plants (Solanum lycopersicum) collected from different regions of Poland. Clear biological...
Genetic recombination plays an important role in the evolution of virus genomes. In this study we analyzed publicly; available genomic sequences of Pepino mosaic virus (PepMV) for recombination events using several bioinformatics tools. The genome-wide analyses not only confirm the presence of previously found recombination events in PepMV but also provide the first evidence for double recombinant...
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