Potato Wart Isolates from Europe and North America Form Distinct Clusters of Genetic Variation

authored by
Ina Röhrs, Marcus Linde, Jaroslaw Przetakiewicz, Avrelia Zelya, George Zelya, Anna Pucher, Hana Tlapák, Thomas Debener

We have extended previously published sets of simple sequence repeat markers for Synchytrium endobioticum, selected to be polymorphic for the German-standard isolates of pathotypes P1, P2, P6, P8, and P18. These markers also complement the extensive published information on DNA polymorphisms for the mitogenomes of Synchytrium endobioticum. This extended set of 35 markers representing 73 alleles differentiated 51 isolates from Europe and North America into three large, well-separated clusters and subclusters using dendrogram analysis, principal coordinates analysis (PCoA), and population substructure analysis using STRUCTURE 2.3.4 software. This suggests a limited number of introgressions of the wart disease pathogen into current potato growing areas, followed by recombination and admixture of populations through human activities. The new markers extend the published marker sets and are useful tools for future analyses of population structure and dynamics in Synchytrium endobioticum, which are necessary to understand the biology of the interaction between the pathogen and its potato host and to develop future control strategies.

Section Molecular Plant Breeding
Institute of Plant Genetics
External Organisation(s)
Plant Breeding and Acclimatization Institute (IHAR)
National Academy of Agrarian Sciences of Ukraine
Julius Kühn Institute - Federal Research Centre for Cultivated Plants (JKI)
Robert Koch Institute (RKI)
Publication date
Publication status
Peer reviewed
ASJC Scopus subject areas
Ecology, Evolution, Behavior and Systematics, Biochemistry, Genetics and Molecular Biology(all), Palaeontology, Space and Planetary Science
Sustainable Development Goals
SDG 3 - Good Health and Well-being
Electronic version(s)
https://doi.org/10.3390/life13091883 (Access: Open)