Deciphering the biology of Cryptophyllachora eurasiatica gen. et sp. nov., an often cryptic pathogen of an allergenic weed, Ambrosia artemisiifolia
Article
Article Title | Deciphering the biology of Cryptophyllachora eurasiatica |
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ERA Journal ID | 201487 |
Article Category | Article |
Authors | Kiss, Levente (Author), Kovacs, Gabor M. (Author), Boka, Karoly (Author), Bohar, Gyula (Author), Boharne, Krisztina Varga (Author), Nemeth, Mark Z. (Author), Takamatsu, Susumu (Author), Shin, Hyeon-Dong (Author), Hayova, Vera (Author), Nischwitz, Claudia (Author), Seier, Marion K. (Author), Evans, Harry C. (Author), Cannon, Paul F. (Author), Ash, Gavin James (Author), Shivas, Roger G. (Author) and Muller-Scharer, Heinz (Author) |
Journal Title | Scientific Reports |
Journal Citation | 8, pp. 1-14 |
Article Number | 10806 |
Number of Pages | 14 |
Year | 2018 |
Publisher | Nature Publishing Group |
Place of Publication | United Kingdom |
ISSN | 2045-2322 |
Digital Object Identifier (DOI) | https://doi.org/10.1038/s41598-018-29102-5 |
Web Address (URL) | https://www.nature.com/articles/s41598-018-29102-5 |
Abstract | A little known, unculturable ascomycete, referred to as Phyllachora ambrosiae, can destroy the inflorescences of Ambrosia artemisiifolia, an invasive agricultural weed and producer of highly allergenic pollen. The fungus often remains undetectable in ragweed populations. This work was conducted to understand its origin and pathogenesis, a prerequisite to consider its potential as a biocontrol agent. The methods used included light and transmission electron microscopy, nrDNA sequencing, phylogenetic analyses, artificial inoculations, and the examination of old herbarium and recent field specimens from Hungary, Korea, Ukraine and USA. The Eurasian and the North American specimens of this fungus were to represent two distinct, although closely related lineages that were only distantly related to other lineages within the Ascomycota. Consequently, we describe a new genus that includes Cryptophyllachora eurasiatica gen. et sp. nov. and C. ambrosiae comb. nov., respectively. The pathogenesis of C. eurasiatica was shown in A. artemisiifolia. No evidence was found for either seed-borne transmission or systemic infection. Two hypotheses were developed to explain the interaction between C. eurasiatica and A. artemisiifolia: (i) as yet undetected seed-borne transmissions and latent, systemic infections; or (ii) alternative hosts. |
Keywords | plant disease, pollen allergy, plant pathogenic fungi, molecular phylogeny, taxonomy, transmission electron microscopy |
ANZSRC Field of Research 2020 | 310705. Mycology |
Byline Affiliations | Centre for Crop Health |
Hungarian Academy of Sciences, Hungary | |
Eotvos Lorand University (ELTE), Hungary | |
Bioved 2005, Hungary | |
Mie University, Japan | |
Korea University | |
National Academy of Sciences of Ukraine | |
Utah State University, United States | |
Centre for Agriculture and Biosciences International (CABI), United Kingdom | |
Royal Botanic Gardens Kew, United Kingdom | |
University of Fribourg, Switzerland | |
Institution of Origin | University of Southern Queensland |
Funding source | Grant ID EU COST Action FA1203 |
Funding source | Grant ID Hungarian Scientific Research Fund (OTKA T046841) |
https://research.usq.edu.au/item/q4w85/deciphering-the-biology-of-cryptophyllachora-eurasiatica-gen-et-sp-nov-an-often-cryptic-pathogen-of-an-allergenic-weed-ambrosia-artemisiifolia
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