ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2009
Host-selective toxins produced by Stagonospora nodorum confer disease susceptibility in adult wheat plants under field conditions.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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Who cites it
34 citing papers in PubMed, 80 citations in OpenAlex.
- Identification of septoria nodorum blotch susceptibility genes in hard winter wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Genetic dissection of Septoria tritici blotch and Septoria nodorum blotch resistance in wheat using GWAS.Frontiers in plant science · 2025Article
- Identification of novel candidate genes for Ascochyta blight resistance in chickpea.Scientific reports · 2024Article
- Identification of WheatPlants (Basel, Switzerland) · 2024Article
- Genetics and breeding for resistance against four leaf spot diseases in wheat (Frontiers in plant science · 2023Review
- Genome-wide association mapping of septoria nodorum blotch resistance in Nordic winter and spring wheat collections.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Article
- Review
- Genome-wide association analysis permits characterization of Stagonospora nodorum blotch (SNB) resistance in hard winter wheat.Scientific reports · 2021Article
- Genes Associated with Foliar Resistance to Septoria Nodorum Blotch of Hexaploid Wheat (International journal of molecular sciences · 2021Article
- GWAS analysis reveals distinct pathogenicity profiles of Australian Parastagonospora nodorum isolates and identification of marker-trait-associations to septoria nodorum blotch.Scientific reports · 2021Article
- Evaluation of Septoria Nodorum Blotch (SNB) Resistance in Glumes of Wheat (Frontiers in genetics · 2021Article
- Identification and cross-validation of genetic loci conferring resistance to Septoria nodorum blotch using a German multi-founder winter wheat population.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Genetic mapping using a wheat multi-founder population reveals a locus on chromosome 2A controlling resistance to both leaf and glume blotch caused by the necrotrophic fungal pathogen Parastagonospora nodorum.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Genetic analysis of wheat sensitivity to the ToxB fungal effector from Pyrenophora tritici-repentis, the causal agent of tan spot.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Multi-Location Evaluation of Global Wheat Lines Reveal Multiple QTL for Adult Plant Resistance to Septoria Nodorum Blotch (SNB) Detected in Specific Environments and in Response to Different Isolates.Frontiers in plant science · 2020Article
- Genome-Wide Association Mapping of Resistance to Septoria Nodorum Leaf Blotch in a Nordic Spring Wheat Collection.The plant genome · 2019Article
- Genetics of Variable Disease Expression Conferred by Inverse Gene-For-Gene Interactions in the Wheat-Plant physiology · 2019Article
- Novel sources of resistance to Septoria nodorum blotch in the Vavilov wheat collection identified by genome-wide association studies.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2018Article
- A Review of the Interactions between Wheat and Wheat Pathogens: Zymoseptoria tritici, Fusarium spp. and Parastagonospora nodorum.International journal of molecular sciences · 2018Review
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Stagonospora nodorum, causal agent of Stagonospora nodorum blotch (SNB), is a destructive pathogen of wheat worldwide. As is true for many necrotrophic host-pathogen systems, the wheat-S. nodorum system is complex and resistance to SNB is usually quantitatively inherited. We recently showed that S. nodorum produces at least four proteinaceous host-selective toxins that interact with dominant host sensitivity/susceptibility gene products to induce SNB in seedlings. Here, we evaluated a population of wheat recombinant inbred lines that segregates for Tsn1, Snn2, and Snn3, which confer sensitivity to the toxins SnToxA, SnTox2, and SnTox3, respectively, to determine if compatible host-toxin interactions are associated with adult plant susceptibility to SNB foliar disease under field conditions. Artificial inoculation of the population in 2 years and two locations with a fungal isolate known to produce SnToxA and SnTox2 indicated that compatible SnToxA-Tsn1 and SnTox2-Snn2 interactions accounted for as much as 18 and 15% of the variation in disease severity on the flag leaf, respectively. As previously reported for seedlings, the effects of these two interactions in conferring adult plant susceptibility were largely additive. Additional adult plant resistance QTLs were identified on chromosomes 1B, 4B, and 5A, of which, the 1B and 5A QTLs were previously reported to be associated with seedling resistance to SNB. Therefore, in this population, some of the same QTLs are responsible for seedling and adult plant resistance/susceptibility. This is the first report showing that host-selective toxins confer susceptibility of adult plants to SNB, further substantiating the importance of compatible toxin-host interactions in the wheat-S. nodorum pathosystem.
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