Pear scab resistance gene Rvn1 from Ussurian pear is located in a cluster of receptor-like protein ethylene-inducing Xylanase (EIX) genes
We identified a receptor-like EIX gene as a strong candidate for Rvn1, a resistance gene against V. nashicola in Asian pear. Its expression pattern-being significantly upregulated in the resistant cultivar and induced upon inoculation-strongly supports its role in scab resistance. Molecular markers tightly linked to this locus were developed and are applicable to breeding programs. These findings provide a foundation for durable resistance breeding and future identification of additional resistance genes.
Authors
- Sogo Nishio
- Miho Tatsuki
- Yukie Takeuchi (ORCID: https://orcid.org/0000-0002-5874-1042)
- Kenta Shirasawa (ORCID: https://orcid.org/0000-0001-7880-6221)
- Shingo Terakami (ORCID: https://orcid.org/0000-0003-3604-6441)
- Keigo Miyata
- Norio Takada (ORCID: https://orcid.org/0000-0003-3561-4865)
- T. Yoshida (ORCID: https://orcid.org/0009-0000-7405-4114)
Institutions
- Fujimoto Dental and Oral Surgery Clinic (JP)
- Institute of Fruit Tree and Tea Science (JP)
- Kazusa DNA Research Institute (JP)
Publication Details
- Journal
- BMC Plant Biology
- Published
- 2025-09-02
- DOI
- https://doi.org/10.1186/s12870-025-07209-y
- Primary Topic
- Fungal Plant Pathogen Control
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- National Agriculture and Food Research Organization
- Japan Society for the Promotion of Science