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  Genome-scale phylogenies reveal relationships among Parastagonospora species infecting domesticated and wild grasses

Croll, D., Crous, P., Pereira, D., Mordecai, E., McDonald, B., & Brunner, P. (2021). Genome-scale phylogenies reveal relationships among Parastagonospora species infecting domesticated and wild grasses. Persoonia, 46, 116-128. doi:0.3767/persoonia.2021.46.04.

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 Creators:
Croll, D., Author
Crous, P.W., Author
Pereira, Danilo1, Author              
Mordecai, E.A., Author
McDonald, B.A., Author
Brunner, P.C., Author
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1Max Planck Fellow Group Environmental Genomics, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_2068284              

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Free keywords: host range, leaf and glume blotch of wheat, new taxa, pathogen emergence, taxonomy
 Abstract: Several plant pathogenic Parastagonospora species have been identified infecting wheat and other cereals over the past 50 years. As new lineages were discovered, naming conventions grew unwieldy and the relationships with previously recognized species remained unclear. We used genome sequencing to clarify relation-ships among these species and provided new names for most of these species. Six of the nine described Parasta­gonospora species were recovered from wheat, with five of these species coming from Iran. Genome sequences revealed that three strains thought to be hybrids between P. nodorum and P. pseudonodorum were not actually hybrids, but rather represented rare gene introgressions between those species. Our data are consistent with the hypothesis that P. nodorum originated as a pathogen of wild grasses in the Fertile Crescent, then emerged as a wheat pathogen via host-tracking during the domestication of wheat in the same region. The discovery of a diverse array of Parastagonospora species infecting wheat in Iran suggests that new wheat pathogens could emerge from this region in the future.

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Language(s): eng - English
 Dates: 2020-12-012021-01-192021-02-14
 Publication Status: Published online
 Pages: -
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 Rev. Type: -
 Identifiers: DOI: 0.3767/persoonia.2021.46.04
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Title: Persoonia
Source Genre: Journal
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Publ. Info: Leiden : Univ. : Nationaal Herbarium Nederland and the Centraalbureau voor Schimmelcultures
Pages: - Volume / Issue: 46 Sequence Number: - Start / End Page: 116 - 128 Identifier: ISSN: 1878-9080
CoNE: https://pure.mpg.de/cone/journals/resource/1878-9080