ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2021
Identification of three closely linked loci conferring broad-spectrum Phytophthora sojae resistance in soybean variety Tosan-231.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 7 citations in OpenAlex.
- The current state of Japanese soybean breeding using DNA marker technology.Breeding science · 2026Article
- Biocontrol of Phytophthora Root and Stem Rot and Growth Promotion of Soybean Plants by the Rhizobacterium Enterobacter pseudoroggenkampii Strain GVv1 Isolated from Vicia villosa Roth.Microbes and environments · 2025Article
- Identification and genetic analysis of candidate genes for resistance againstFrontiers in plant science · 2025Article
- Soybean Variety Saedanbaek Confers a New Resistance Allele toPlants (Basel, Switzerland) · 2023Article
- Soybean ZINC FINGER PROTEIN03 targets two SUPEROXIDE DISMUTASE1s and confers resistance to Phytophthora sojae.Plant physiology · 2023Article
- Breeding for disease resistance in soybean: a global perspective.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Review
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8 authors at 4 institutions in 1 country.
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Abstract
key messageA variable genomic region containing two Harosoy-derived loci related to Rps7 and one Nemashirazu-derived locus confers broad-spectrum Phytophthora sojae resistance in Tosan-231 and is useful for developing resistant cultivars. We investigated resistance to pathotypically variable Phytophthora sojae isolates in the soybean variety Tosan-231, which has broad-spectrum resistance. Mapping analysis using descendent lines from a cross between Shuurei and Tosan-231 demonstrated that a genomic region between SSR markers BARCSOYSSR_03_0209 and BARCSOYSSR_03_0385 (termed "Region T"), confers broad-spectrum resistance in Tosan-231 and contains three closely linked resistance loci. Inoculation tests with 20 P. sojae isolates of different pathotypes and simple sequence repeat (SSR) analysis of progenitors of Tosan-231 facilitated identification and characterization of Rps genes at the three resistance loci. Two resistance genes, RpsT1 and RpsT2, were found to be derived from Harosoy carrying Rps7. This result suggested two mutually exclusive possibilities: (1) either RpsT1 or RpsT2 is Rps7, and the other is a locally functional novel gene; (2) Rps7 is not a single gene but in fact comprises RpsT1 and RpsT2. The resistance locus containing RpsT3 is derived from Nemashirazu, in which Rps genes have remained poorly defined. Moreover, we identified two genomic regions with relatively high recombination frequencies on the basis of mapping information and proposed a strategy to readily assemble useful resistance genes in or around Region T.
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