ARS | Publication request: Genotyping and population genetic analysis of “Candidatus Liberibacter solanacearum”, bacterium associated with potato zebra chip disease

Submitted to: American Phytopathological Society Abstracts
Publication Type: Abstract Only
Publication Acceptance Date: May 4, 2012
Publication Date: August 3, 2012
Citation: Lin, H., Islam, M., Wen, A., Gudmestad, N.C. 2012. Genotyping and population genetic analysis of “Candidatus Liberibacter solanacearum”, bacterium associated with potato zebra chip disease. Phytopathology. 102:S4.71.

Technical Abstract: ‘Candidatus Liberibacter solanacearum’ (CLso) is associated with Zebra Chip disorder of potatoes. In this study, a panel of eight simple sequence repeat (SSR) markers was developed and used to characterize CLso isolates obtained from ZC-affected potato plants grown in the United States and Mexico. Multilocus SSR markers effectively detected genetic variation among CLso isolates. Genotypic assignment analysis identified two major lineages of CLso in North America. Structure analysis failed to identify haplotypic patterns associated with geographical proximity or host. This genetic marker typing system will advance knowledge of CLso epidemiology and facilitate management of ZC disease.