ArticleMolecular biology and evolution2024
Multiple Horizontal Mini-chromosome Transfers Drive Genome Evolution of Clonal Blast Fungus Lineages.
Article in Molecular biology and evolution, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Horizontal transfer of accessory chromosomes in fungi - a regulated process for exchange of genetic material?Heredity · 2026Review
- Accessory regions and horizontal gene transfer shape the evolution of clonal Colletotrichum nymphaeae infecting strawberry.The New phytologist · 2026Article
- Interspecies hybridization as a route of accessory chromosome origin in fungal pathogens.mBio · 2026Article
- Intraspecific Variations and Characteristics of Clinical, Physiological, and Antifungal Susceptibility Profiles of Trichophyton rubrum in Southwest China.Mycopathologia · 2026Article
- Polymorphism and evolutionary origins of accessory chromosomes in the basidiomycete Tremella fuciformis.Nature communications · 2026Article
- Transposable elements hitchhike on Starships across fungal genomes.Nature communications · 2026Article
- Accessory Chromosome Contributes to Virulence of Banana Infecting Fusarium oxysporum Tropical Race 4.Molecular plant pathology · 2025Article
- Reference-free identification and pangenome analysis of accessory chromosomes in a major fungal plant pathogen.NAR genomics and bioinformatics · 2025Article
- Gene transfer between fungal species triggers repeated coffee wilt disease outbreaks.PLoS biology · 2024Article
- Early Detection of BothInternational journal of molecular sciences · 2024Article
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
Crop disease pandemics are often driven by asexually reproducing clonal lineages of plant pathogens that reproduce asexually. How these clonal pathogens continuously adapt to their hosts despite harboring limited genetic variation, and in absence of sexual recombination remains elusive. Here, we reveal multiple instances of horizontal chromosome transfer within pandemic clonal lineages of the blast fungus Magnaporthe (Syn. Pyricularia) oryzae. We identified a horizontally transferred 1.2Mb accessory mini-chromosome which is remarkably conserved between M. oryzae isolates from both the rice blast fungus lineage and the lineage infecting Indian goosegrass (Eleusine indica), a wild grass that often grows in the proximity of cultivated cereal crops. Furthermore, we show that this mini-chromosome was horizontally acquired by clonal rice blast isolates through at least nine distinct transfer events over the past three centuries. These findings establish horizontal mini-chromosome transfer as a mechanism facilitating genetic exchange among different host-associated blast fungus lineages. We propose that blast fungus populations infecting wild grasses act as genetic reservoirs that drive genome evolution of pandemic clonal lineages that afflict cereal crops.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.