Hyaloperonospora parasitica | |
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Hyaloperonospora arabidopsidis on Arabidopsis thaliana | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Clade: | Diaphoretickes |
Clade: | SAR |
Clade: | Stramenopiles |
Phylum: | Oomycota |
Order: | Peronosporales |
Family: | Peronosporaceae |
Genus: | Hyaloperonospora |
Species: | H. parasitica
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Binomial name | |
Hyaloperonospora parasitica (Pers.) Constant., 2002
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Hyaloperonospora parasitica is an oomycete from the family Peronosporaceae.[1] It has been considered for a long time to cause downy mildew of a variety of species within the Brassicaceae, on which the disease can cause economically important damage by killing seedlings or affecting the quality of produce intended for freezing.[2] Hyaloperonospora parasitica[3] causes downy mildew on a wide range of many different plants. It belongs to the Kingdom Chromista, the phylum Oomycota, and the family Peronosporaceae. The former name for H. parasitica was Peronospora parasitica until it was reclassified and put in the genus Hyaloperonospora. It is an especially vicious disease on crops of the family Brassicaceae. It is most famous for being a model pathogen of Arabidopsis thaliana which is a model organism used for experimental purposes.[4][5][6] Accordingly, the former Hyaloperonospora parasitica has been split into a large number of species. For instance, the taxonomically correct name of the parasite of the well-known model organism Arabidopsis thaliana is Hyaloperonospora arabidopsidis, not H. parasitica, whereas the pathogen of Brassica has to be called Hyaloperonospora brassicae.[7][8]