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dc.contributor.authorLin, Min
dc.contributor.authorFicke, Andrea
dc.contributor.authorCockram, James
dc.contributor.authorLillemo, Morten
dc.identifier.citationFrontiers in Microbiology. 2020, 11 1-11.en_US
dc.description.abstractThe necrotrophic fungal pathogen Parastagonospora nodorum causes Septoria nodorum blotch (SNB), which is one of the dominating leaf blotch diseases of wheat in Norway. A total of 165 P. nodorum isolates were collected from three wheat growing regions in Norway from 2015 to 2017. These isolates, as well as nine isolates from other countries, were analyzed for genetic variation using 20 simple sequence repeat (SSR) markers. Genetic analysis of the isolate collection indicated that the P. nodorum pathogen population infecting Norwegian spring and winter wheat underwent regular sexual reproduction and exhibited a high level of genetic diversity, with no genetic subdivisions between sampled locations, years or host cultivars. A high frequency of the presence of necrotrophic effector (NE) gene SnToxA was found in Norwegian P. nodorum isolates compared to other parts of Europe, and we hypothesize that the SnToxA gene is the major virulence factor among the three known P. nodorum NE genes (SnToxA, SnTox1, and SnTox3) in the Norwegian pathogen population. While the importance of SNB has declined in much of Europe, Norway has remained as a P. nodorum hotspot, likely due at least in part to local adaptation of the pathogen population to ToxA sensitive Norwegian spring wheat cultivars.en_US
dc.publisherFrontiers Media S.A.en_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.titleGenetic Structure of the Norwegian Parastagonospora nodorum Populationen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.rights.holderCopyright © 2020 Lin, Ficke, Cockram and Lillemoen_US
dc.source.journalFrontiers in Microbiologyen_US
dc.relation.projectNorges forskningsråd: 251894en_US

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Except where otherwise noted, this item's license is described as Navngivelse 4.0 Internasjonal