Maliogka, Varvara I.; Salvador, Beatriz; CARBONELL, ALBERTO; Saenz, Pilar; San Leon, David; Oliveros, Juan Carlos; Delgadillo, Ma Otilia; García, Juan Antonio; Simon-Mateo, Carmen(Blackwell Publishing, 2012-10)
[EN] Subisolates segregated from an M-type Plum pox virus (PPV) isolate, PPV-PS, differ widely in pathogenicity despite their high degree of sequence similarity. A single amino acid substitution, K109E, in the helper ...