ArticleNature microbiology2023
Nuclear exchange generates population diversity in the wheat leaf rust pathogen Puccinia triticina.
Article in Nature microbiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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19 citing papers in PubMed, 35 citations in OpenAlex.
- A pseudo-phased genome assembly for Hemileia vastatrix reveals an isolate-specific chromosomal haploid trisomy.G3 (Bethesda, Md.) · 2026Article
- Haplotype-phased genomes of the barley leaf rust pathogen reveal evidence of repeat element expansion and somatic hybridization.G3 (Bethesda, Md.) · 2026Article
- Long-term surveillance reveals hybridization by nuclear reassortment and intercontinental spread as major evolutionary drivers in wheat yellow rust.The New phytologist · 2026Article
- Genetic Analysis Reveals Relationships Among Populations ofJournal of fungi (Basel, Switzerland) · 2026Article
- Two divergent haploid nuclei shaped the landscape of population diversity in wheat stripe rust Puccinia striiformis f. sp. tritici.Communications biology · 2026Article
- Allelic variation of Avr genes in highly virulent strains explains severe wheat stem rust epidemics.Nature communications · 2026Article
- Improved reannotations of Aegilops umbellulata (PI 554389) genome and transcriptomics data provide candidates for leaf rust resistance for wheat improvement.Scientific reports · 2025Article
- k-mer-based GWAS reveals a candidate avirulence gene and structural variation in Puccinia triticina linked to gain of Lr20 virulence.BMC genomics · 2025Article
- Biosurveillance of Invasive Southern Corn Rust: Insights Into Recent Migration Patterns and Virulence Variation.Molecular plant pathology · 2025Article
- Population Genomics Reveals Distinct Lineage of the Asian Soybean Rust Fungus Phakopsora pachyrhizi in the United States of America Unrelated to Brazilian Populations.Molecular plant pathology · 2025Article
- Long-read genomics reveal extensive nuclear-specific evolution and allele-specific expression in a dikaryotic fungus.Genome research · 2025Article
- Genomics Research on the Road of Studying Biology and Virulence of Cereal Rust Fungi.Molecular plant pathology · 2025Review
- Differentiation of European yellow rust subraces within the 'Warrior(-)' genetic group.PloS one · 2025Article
- A high-resolution haplotype collection uncovers somatic hybridization, recombination and intercontinental movement in oat crown rust.PLoS genetics · 2024Article
- Genome-wide atlas of rust resistance loci in wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Review
- Evasion of wheat resistance gene Lr15 recognition by the leaf rust fungus is attributed to the coincidence of natural mutations and deletion in AvrLr15 gene.Molecular plant pathology · 2024Article
- High-throughput fabrication of antimicrobial phage microgels and example applications in food decontamination.Nature protocols · 2024Review
- Pooled effector library screening in protoplasts rapidly identifies novel Avr genes.Nature plants · 2024Article
- Genome biology and evolution of mating-type loci in four cereal rust fungi.PLoS genetics · 2024Article
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In clonally reproducing dikaryotic rust fungi, non-sexual processes such as somatic nuclear exchange are postulated to play a role in diversity but have been difficult to detect due to the lack of genome resolution between the two haploid nuclei. We examined three nuclear-phased genome assemblies of Puccinia triticina, which causes wheat leaf rust disease. We found that the most recently emerged Australian lineage was derived by nuclear exchange between two pre-existing lineages, which originated in Europe and North America. Haplotype-specific phylogenetic analysis reveals that repeated somatic exchange events have shuffled haploid nuclei between long-term clonal lineages, leading to a global P. triticina population representing different combinations of a limited number of haploid genomes. Thus, nuclear exchange seems to be the predominant mechanism generating diversity and the emergence of new strains in this otherwise clonal pathogen. Such genomics-accelerated surveillance of pathogen evolution paves the way for more accurate global disease monitoring.
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