Genomic structure of three phenotypically different isolates of peach latent mosaic viroid: implications of the existence of constraints limiting the heterogeneity of viroid quasispecies.

Abstract excerpt

The peach latent mosaic viroid (PLMVd) is used to study the interactions between a viroid containing hammerhead ribozymes and its natural host, peach. To gain insight into the molecular basis of the phenotypic effects observed upon viroid infection, sequence variants from three PLMVd isolates that differ in symptom expression on the peach indicator GF-305 have been characterized. Analysis of the primary...

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