ArticleMolecular plant pathology2019
Population genomics of an outbreak of the potato late blight pathogen, Phytophthora infestans, reveals both clonality and high genotypic diversity.
Article in Molecular plant pathology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed.
- High Genotypic Polymorphism and Extensive Gene Flow Drive the Population Dynamics of Potato Oomycete Pathogen,Journal of fungi (Basel, Switzerland) · 2026Article
- Deciphering the Molecular Interplay Between RXLR-EncodedInternational journal of molecular sciences · 2025Review
- Genetic Diversity and Reproduction Trends ofJournal of fungi (Basel, Switzerland) · 2024Article
- Genetic structure and population diversity of Phytophthora infestans strains in Pacific western Canada.Applied microbiology and biotechnology · 2024Article
- Attack of the clones: Population genetics reveals clonality of Colletotrichum lupini, the causal agent of lupin anthracnose.Molecular plant pathology · 2023Article
- Clonal Expansion in MultipleJournal of fungi (Basel, Switzerland) · 2023Article
- Genome resources and whole genome resequencing ofFrontiers in plant science · 2023Article
- Highly DiverseJournal of fungi (Basel, Switzerland) · 2022Article
- Review
- The Role of Genetic Factors in the Differential Invasion Success of TwoFrontiers in plant science · 2022Article
- Mixed-Mating Model of Reproduction Revealed in EuropeanMicroorganisms · 2021Article
- Genome-Wide Association Mapping of Late Blight Tolerance Trait in Potato (Frontiers in genetics · 2021Article
- Article
- Dominance of Mating Type A1 and Indication of Epigenetic Effects During Early Stages of Mating inFrontiers in microbiology · 2020Article
- Invasions of gladiolus rust in North America are caused by a widely-distributed clone ofPeerJ · 2019Article
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8 authors.
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Abstract
An outbreak of the potato late blight pathogen Phytophthora infestans in Denmark was characterized in order to resolve the population structure and determine to what extent sexual reproduction was occurring. A standard set of microsatellite simple sequence repeats (SSRs) and single nucleotide polymorphism (SNP) markers generated using restriction site-associated DNA sequencing (RAD-seq) were employed in parallel. A total of 83 individuals, isolated from seven different potato fields in 2014, were analysed together with five Danish whole-genome sequenced isolates, as well as two Mexican individuals used as an outgroup. From a filtered dataset of 55 288 SNPs, population genomics analyses revealed no sign of recombination, implying clonality. In spite of this, multilocus genotypes were unique to individual potato fields, with little evidence of gene flow between fields. Ploidy analysis performed on the SNPs dataset indicated that the majority of isolates were diploid. These contradictory results with clonality and high genotypic diversity may suggest that rare sexual events likely still contribute to the population. Comparison of the results generated by SSRs vs SNPs data indicated that large marker sets, generated by RAD-seq, may be advised going forward, as it provides a higher level of genetic discrimination than SSRs.
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