ArticleThe ISME journal2018
Population genomic analysis of the rice blast fungus reveals specific events associated with expansion of three main clades.
Article in The ISME journal, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.
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Who cites it
44 citing papers in PubMed, 102 citations in OpenAlex.
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- Deciphering mating type and population genetic landscape of Magnaporthe population adapted to millets and rice in blast hotspots of India.Archives of microbiology · 2025Article
- Host-Adaptive Divergence Shapes the Genetic Architecture ofJournal of fungi (Basel, Switzerland) · 2025Article
- Development of novel InDel markers by whole-genome sequence comparison and genetic diversity assessment of Thailand rice blast fungus populations.Stress biology · 2025Article
- The Geographic Distribution and Natural Variation of the Rice Blast Fungus Avirulence GenePlants (Basel, Switzerland) · 2025Article
- Genome-wide Evidence of Host Specialization in Wild and Farmland Populations of the Fungal Leaf Spot Pathogen, Cercospora beticola.Genome biology and evolution · 2025Article
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- Near complete assembly of Pyricularia penniseti infecting Cenchrus grass identified its eight core chromosomes.Scientific data · 2024Article
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- Beyond morphogenesis and secondary metabolism: function of Velvet proteins and LaeA in fungal pathogenesis.Applied and environmental microbiology · 2024Review
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- Distinct genomic contexts predict gene presence-absence variation in different pathotypes of Magnaporthe oryzae.Genetics · 2024Article
- Pyricularia oryzae: Lab star and field scourge.Molecular plant pathology · 2024Review
- A fungal core effector exploits the OsPUX8B.2-OsCDC48-6 module to suppress plant immunity.Nature communications · 2024Article
- The roles ofFrontiers in plant science · 2024Review
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Authors and funding
20 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We examined the genomes of 100 isolates of Magnaporthe oryzae (Pyricularia oryzae), the causal agent of rice blast disease. We grouped current field populations of M. oryzae into three major globally distributed groups. A genetically diverse group, clade 1, which may represent a group of closely related lineages, contains isolates of both mating types. Two well-separated clades, clades 2 and 3, appear to have arisen as clonal lineages distinct from the genetically diverse clade. Examination of genes involved in mating pathways identified clade-specific diversification of several genes with orthologs involved in mating behavior in other fungi. All isolates within each clonal lineage are of the same mating type. Clade 2 is distinguished by a unique deletion allele of a gene encoding a small cysteine-rich protein that we determined to be a virulence factor. Clade 3 isolates have a small deletion within the MFA2 pheromone precursor gene, and this allele is shared with an unusual group of isolates we placed within clade 1 that contain AVR1-CO39 alleles. These markers could be used for rapid screening of isolates and suggest specific events in evolution that shaped these populations. Our findings are consistent with the view that M. oryzae populations in Asia generate diversity through recombination and may have served as the source of the clades 2 and 3 isolates that comprise a large fraction of the global population.
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