ArticleBMC plant biology2024
The genetic architecture of resistance to septoria tritici blotch in French wheat cultivars.
Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Integrating host-pathogen interaction genomics to boost wheat defense against septoria tritici blotch.BMC genomics · 2025Article
- Plant genotype-specific modulation of Clonostachys rosea-mediated biocontrol of septoria tritici blotch disease in wheat.BMC plant biology · 2025Article
- Diversification, loss, and virulence gains of the major effector AvrStb6 during continental spread of the wheat pathogen Zymoseptoria tritici.PLoS pathogens · 2025Article
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Authors and funding
7 authors.
Funding
Abstract
backgroundSeptoria tritici blotch (STB) is one of the most damaging wheat diseases worldwide, and the development of resistant cultivars is of paramount importance for sustainable crop management. However, the genetic basis of the resistance present in elite wheat cultivars remains largely unknown, which limits the implementation of this strategy. A collection of 285 wheat cultivars originating mostly from France was challenged with ten Zymoseptoria tritici isolates at the seedling stage. The collection was further evaluated in seven field trials across France using artificial inoculation.
resultsGenome-wide association study resulted in the detection of 57 wheat QTL, among which 40 were detected at the seedling stage. Three quarters of these QTL were in genomic regions previously reported for to confer resistance to Z. tritici, but 10 QTL are novel and may be of special interest as new sources of resistance. Some QTL colocalise with major Stb resistance genes, suggesting their presence in the French elite winter wheat germplasm. Among them, the three QTL with the strongest effect colocalize with Stb6, Stb9 and Stb18. There was minimal overlap between the QTL detected at the seedling and adult plant stages, with only 1 out of 20 seedling QTL also being detected in field trials inoculated with the same isolate. This suggests that different resistance genes are involved at the seedling and adult plant stages.
conclusionThis work reveals the highly complex genetic architecture of French wheat resistance to STB and provides relatively small QTL intervals, which will be valuable for identifying the underlying causative genes and for marker-assisted selection.
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