Spiny-cheek crayfish Orconectes limosus carry a novel genotype of the crayfish plague pathogen Aphanomyces astaci
Language English Country United States Media print-electronic
Document type Journal Article, Research Support, Non-U.S. Gov't
PubMed
21856310
DOI
10.1016/j.jip.2011.08.002
PII: S0022-2011(11)00176-5
Knihovny.cz E-resources
- MeSH
- Aphanomyces classification genetics pathogenicity MeSH
- DNA, Fungal analysis MeSH
- Species Specificity MeSH
- Phylogeny MeSH
- Genetic Variation MeSH
- Genotype MeSH
- Infections veterinary MeSH
- Host-Pathogen Interactions MeSH
- Astacoidea microbiology physiology MeSH
- Random Amplified Polymorphic DNA Technique MeSH
- Animals MeSH
- Check Tag
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- DNA, Fungal MeSH
The oomycete Aphanomyces astaci causes mass mortalities of European crayfish. Different species of North American crayfish, original hosts of this parasite, seem to carry different strains of A. astaci. So far, four distinct genotype groups have been recognised using Random Amplification of Polymorphic DNA (RAPD-PCR). We succeeded in isolating A. astaci from the spiny-cheek crayfish Orconectes limosus, a widespread invader in Europe, and confirmed that this species carries a novel A. astaci genotype. Improving knowledge on the diversity of this parasite may facilitate identification of genotypes in mass mortalities of European crayfish, thus tracing the sources of infection.
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