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Rediscovery of Seven Long-Forgotten Species of Peronospora and Plasmopara (Oomycota)

Authors
Lee, Jae SungShin, Hyeon-DongChoi, Young-Joon
Issue Date
2-9월-2020
Publisher
TAYLOR & FRANCIS LTD
Keywords
Barcoding; downy mildew; morphology; Peronosporaceae; phylogenetic analysis
Citation
MYCOBIOLOGY, v.48, no.5, pp.331 - 340
Indexed
SCIE
SCOPUS
KCI
Journal Title
MYCOBIOLOGY
Volume
48
Number
5
Start Page
331
End Page
340
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/53193
DOI
10.1080/12298093.2020.1798863
ISSN
1229-8093
Abstract
The family Peronosporaceae, an obligate biotrophic group of Oomycota, causes downy mildew disease on many cultivated and ornamental plants such as beet, cucumber, grape, onion, rose, spinach, and sunflower. To investigate the diversity of Peronosporaceae species in Korea, we performed morphological analysis for dried plant herbariums with downy mildew infections by two largest genera,PeronosporaandPlasmopara. As a result, it was confirmed that there are five species ofPeronosporaand two species ofPlasmopara, which have been so far unrecorded in Korea, as well as rarely known in the world;Pl. angustiterminalis(exXanthium strumarium),Pl. siegesbeckiae(exSiegesbeckia glabrescens),P. chenopodii-ambrosioidis(exChenopodium ambrosioides),P. chenopodii-ficifolii(exChenopodium ficifolium),P. clinopodii(exClinopodiumcf.vulgare),P. elsholtziae(exElsholtzia ciliata), andP. lathyrina(exLathyrus japonicus). In addition, their phylogenetic relationship was inferred by molecular sequence analysis of ITS, LSU rDNA, andcox2mtDNA. By rediscovering the seven missing species and barcoding their DNA sequences, this study provides valuable insights into the diversity and evolutionary studies of downy mildew pathogens.
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