Variants of Peach latent mosaic viroid inducing peach calico: uneven distribution in infected plants and requirements of the insertion containing the pathogenicity determinant.

Abstract excerpt

Previous characterization of Peach latent mosaic viroid (PLMVd) variants from a single peach calico (PC) isolate showed that PC symptoms are induced by variants with a 12-13 nt insertion at a specific position and folding into a hairpin with a U-rich loop. Here, this study was extended to two other PC isolates. PLMVd variants with insertions similar to those reported previously (type 1), predominated in one...

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