| Sequence and Simple-Sequence Repeat Analyses of the Fungal Pathogen Seiridium cardinale Indicate California Is the Most Likely Source of the Cypress Canker Epidemic for the Mediterranean Region. | ABSTRACT Seiridium cardinale is the pathogenic fungus of unknown origin responsible for a world pandemic known as cypress canker affecting several species of Cupressaceae in both the Northern and Southern Hemisphere. In this study, a comparative genetic analysis of worldwide populations was performed using sequence analysis of a portion of the ?-tubulin locus and seven polymorphic simple-sequence repeat (SSR) loci on 96 isolates. Sequence analysis identified two distinct ?-tubulin alleles, bot ... | 2011 | 21879790 |