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Haplotype-Resolved Genomes of Diverse Oat Crown Rust Isolates Reveal Global Dispersion of Long-Lived Clonal Haplotypes with Limited Recombination.

Molecular plant-microbe interactions : MPMI - 1 May 2026

Henningsen Eva C, Nazareno Eric S, Spanner Rebecca, Lewis David, Lubega Jibril, Moreau Erin P, Moscou Matthew J, Boesen Brendan, Stone Eric, Kanyuka Kostya, Kianian Shahryar F, Steffenson Brian J, Dodds Peter N, Sperschneider Jana, Figueroa Melania

Abstract excerpt

Puccinia coronata f. sp. avenae (Pca), a fungal pathogen causing crown rust of oat, demonstrates rapid virulence evolution and adaptation to newly released cultivars. To further capture the genetic variation of Pca, we generated nuclear haplotype-resolved genomes for 10 isolates from Europe, Africa, and the Middle East and compared these with existing references for U.S. and Australian isolates. Of the full...

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PMID: 41678344
DOI: 10.1094/MPMI-08-25-0111-R

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