Bremia polycephala and bremia sawadae spp. Nov. (peronosporaceae; oomycota), parasitic to northeast Asian asteraceae

Ji Hoon Park, Marco Thines, Hyang Burm Lee, Hyeon Dong Shin, Young Joon Choi

    Research output: Contribution to journalArticlepeer-review

    5 Citations (Scopus)

    Abstract

    All confirmed members of the genus Bremia (Peronosporales; Oomycetes) parasitise diverse plants of the family Asteraceae. For more than one hundred years, Bremia was considered a monotypic genus, with a well-known species, B. lactucae. However, studies since the turn of the century have revealed that Bremia contains many specialised species. During an investigation of the diversity of Bremia species, we found two so far undescribed species of Bremia in Korea, each of which is parasitic to Crepidiastrum denticulatum and Ixeris polycephala, both native to Northeast Asia. Through multigene phylogenies (based on ITS, LSU D1-3 rDNA, cox1, cox2, cox2-1 spacer mtDNA, and BrRxLR11) and the morphological characteristics, we introduce them as new species, Bremia polycephala (ex Ixeris polycephala) and Bremia sawadae (ex Crepidiastrum denticulatum).

    Original languageEnglish
    Pages (from-to)303-314
    Number of pages12
    JournalNova Hedwigia
    Volume107
    Issue number3-4
    DOIs
    Publication statusPublished - 2018

    Bibliographical note

    Funding Information:
    YJC was supported by a grant from the National Institute of Biological Resources (NIBR), funded by of the Ministry of Environment (MOE), and the National Research Foundation of Korea (NRF), funded by the Ministry of Science, ICT & Future Planning (2016R1C1B2008013), Republic of Korea. In addition, funding by the Alexander von Humboldt Foundation and the LOEWE excellence cluster for Integrative Fungal Research (IPF) is gratefully acknowledged.

    Publisher Copyright:
    © 2018 J. Cramer in Gebr. Borntraeger Verlagsbuchhandlung, Stuttgart, Germany.

    Keywords

    • Barcoding
    • Crepidiastrum
    • Downy mildew
    • Ixeris
    • Youngia

    ASJC Scopus subject areas

    • Ecology, Evolution, Behavior and Systematics
    • Plant Science

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