[FLASH-PCR diagnostics of toxigenic fungi of the genus Fusarium]. 2008

D Iu Riazantsev, and S L Abramova, and S V Evstratova, and T Iu Gagkaeva, and S K Zavriev
Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, ul. Miklukho-Maklaya 16/10, Moscow, 117997 Russia.

A test system for the diagnostics and identification of seven toxigenic fungi causing fusarioses of cereals (Fusarium graminearum, F. culmorum, F. poae, F. sporotrichioides, F. langsethiae, F. avenaceum, and F. tricinctum) was developed using PCR. The identification of pathogen is based on the specific amplification of a DNA fragment of the gene of translation elongation factor 1 alpha (tef-1alpha) and subsequent detection of the results by the fluorescent amplification-based specific hybridization method. The system was tested on 38 isolates of different fungi of the genus Fusarium.

UI MeSH Term Description Entries
D010935 Plant Diseases Diseases of plants. Disease, Plant,Diseases, Plant,Plant Disease
D004271 DNA, Fungal Deoxyribonucleic acid that makes up the genetic material of fungi. Fungal DNA
D005670 Fusarium A mitosporic Hypocreales fungal genus, various species of which are important parasitic pathogens of plants and a variety of vertebrates. Teleomorphs include GIBBERELLA. Fusariums
D012680 Sensitivity and Specificity Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed) Specificity,Sensitivity,Specificity and Sensitivity
D016133 Polymerase Chain Reaction In vitro method for producing large amounts of specific DNA or RNA fragments of defined length and sequence from small amounts of short oligonucleotide flanking sequences (primers). The essential steps include thermal denaturation of the double-stranded target molecules, annealing of the primers to their complementary sequences, and extension of the annealed primers by enzymatic synthesis with DNA polymerase. The reaction is efficient, specific, and extremely sensitive. Uses for the reaction include disease diagnosis, detection of difficult-to-isolate pathogens, mutation analysis, genetic testing, DNA sequencing, and analyzing evolutionary relationships. Anchored PCR,Inverse PCR,Nested PCR,PCR,Anchored Polymerase Chain Reaction,Inverse Polymerase Chain Reaction,Nested Polymerase Chain Reaction,PCR, Anchored,PCR, Inverse,PCR, Nested,Polymerase Chain Reactions,Reaction, Polymerase Chain,Reactions, Polymerase Chain

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