Claim · model-written summary
A distinct k-mer association peak on chromosome 10B corresponded to avirulence against Lr20 across eleven Lr loci.
- Taxon
- Puccinia triticina
Puccinia triticinat0 - Gene
- Lr20e0
- Outcome
- avirulence against Lr20e0
Not reportedMaterialCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Analysis of k-mers linked to avirulence phenotypes of Pt isolates across eleven leaf rust resistance (Lr) loci, revealed a distinct association peak on chromosome 10B corresponding to avirulence against Lr20”
t0“Puccinia triticina”
Title
Ayako Tsushima; Césarée Morier-Gxoyiya; Loizos Savva; et al. BMC Genomics 2025. doi:10.1186/s12864-025-12230-4
Other claims from this paper (5)
- Observation The assembled associated k-mers formed a 50 bp sequence located near two candidate effector genes.
- Observation Candidate effector gene Pt76_024702 showed high expression during both early and later stages of infection.
- Observation The genomic region harbouring Pt76_024702 showed large-scale deletions in certain Pt lineages virulent to Lr20, particularly those infecting durum wheat.
- Observation The authors conclude that Pt76_024702 is a compelling candidate for AvrLr20.
- Recommendation The authors conclude the k-mer-based GWAS approach has significant potential to enhance the Avr gene catalogue.