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Journal Article

Global genomic analyses of wheat powdery mildew reveal association of pathogen spread with historical human migration and trade

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Barbieri,  Chiara       
Department of Linguistic and Cultural Evolution, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;

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Fulltext (public)

Sotiropoulos_Global_NatComm_2022.pdf
(Publisher version), 4MB

Supplementary Material (public)

Sotiropoulos_Global_NatComm_Suppl1_2022.pdf
(Supplementary material), 7MB

Sotiropoulos_Global_NatComm_Suppl2_2022.pdf
(Supplementary material), 491KB

Sotiropoulos_Global_NatComm_Suppl3_2022.xlsx
(Supplementary material), 47KB

Sotiropoulos_Global_NatComm_Suppl4_2022.xlsx
(Supplementary material), 13KB

Sotiropoulos_Global_NatComm_Suppl5_2022.xlsx
(Supplementary material), 11KB

Citation

Sotiropoulos, A. G., Arango-Isaza, E., Ban, T., Barbieri, C., Bourras, S., Cowger, C., et al. (2022). Global genomic analyses of wheat powdery mildew reveal association of pathogen spread with historical human migration and trade. Nature Communications, 13. doi:10.1038/s41467-022-31975-0.


Cite as: https://hdl.handle.net/21.11116/0000-000A-E01F-7
Abstract
The fungus Blumeria graminis f. sp. tritici causes wheat powdery mildew disease. Here, we study its spread and evolution by analyzing a global sample of 172 mildew genomes. Our analyses show that B.g. tritici emerged in the Fertile Crescent during wheat domestication. After it spread throughout Eurasia, colonization brought it to America, where it hybridized with unknown grass mildew species. Recent trade brought USA strains to Japan, and European strains to China. In both places, they hybridized with local ancestral strains. Thus, although mildew spreads by wind regionally, our results indicate that humans drove its global spread throughout history and that mildew rapidly evolved through hybridization.