ArticleScientific reports2021
Global historic pandemics caused by the FAM-1 genotype of Phytophthora infestans on six continents.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 30 citations in OpenAlex.
- A pangenome analysis reveals the center of origin and evolutionary history of Phytophthora infestans and 1c clade species.PloS one · 2025Article
- Evolution of Phytophthora infestans on its potato host since the Irish potato famine.Nature communications · 2024Article
- Genetic structure and population diversity of Phytophthora infestans strains in Pacific western Canada.Applied microbiology and biotechnology · 2024Article
- Reconstructing historic and modern potato late blight outbreaks using text analytics.Scientific reports · 2024Article
- Population Dynamics ofJournal of fungi (Basel, Switzerland) · 2023Article
- Article
- Current status ofPersoonia · 2021Article
- The persistent threat of emerging plant disease pandemics to global food security.Proceedings of the National Academy of Sciences of the United States of America · 2021Review
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2 authors at 1 institution in 1 country.
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Abstract
The FAM-1 genotype of Phytophthora infestans caused late blight in the 1840s in the US and Europe and was responsible for the Irish famine. We sampled 140 herbarium specimens collected between 1845 and 1991 from six continents and used 12-plex microsatellite genotyping (SSR) to identify FAM-1 and the mtDNA lineage (Herb-1/Ia) present in historic samples. FAM-1 was detected in approximately 73% of the historic specimens and was found on six continents. The US-1 genotype was found later than FAM-1 on all continents except Australia/Oceania and in only 27% of the samples. FAM-1 was the first genotype detected in almost all the former British colonies from which samples were available. The data from historic outbreak samples suggest the FAM-1 genotype was widespread, diverse, and spread to Asia and Africa from European sources. The famine lineage spread to six continents over 144 years, remained widespread and likely spread during global colonization from Europe. In contrast, modern lineages of P. infestans are rapidly displaced and sexual recombination occurs in some regions.
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