Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:1.6.99.3 (diaphorase)
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We have designed two polymerase chain reaction (PCR) primer sets (PEg9F1-PEg9R1 and PEg16F1-PEg16R1) and two PCR protocols (Eg9-PCR and Eg16-PCR) for discrimination of Echinococcus granulosus genotypes. The oligonucleotide sequences originate from two E. granulosus DNA multiplex-PCR amplification fragments, previously reported, that allows species-specific discrimination between Taenia saginata, Taenia solium, and E. granulosus. The Eg9-PCR, Eg16-PCR, and Eg9-PCR linked restriction fragment length polymorphism (RFLP) analysis was used to characterize 53 E. granulosus isolates from the central region of Spain, highly endemic for echinococcosis. The analysis resulted in: (i) the discrimination of E. granulosus from Echinococcus multilocularis; (ii) the characterisation and discrimination of discrete E. granulosus strains from Spain; and (iii) the identification of two distinct genotypes within E. granulosus Spanish pig isolates. To further characterize the genetic variants in pigs, fragments of the NADH dehydrogenase I (ND1) and the cytochrome c oxidase subunit I (CO1) genes were amplified from parasite DNA and sequenced. The results again revealed the presence of two distinct genotypes: the G1 (sheep-dog strain) and G7 (pig-dog strain) genotypes. This observation could have important consequences for human health in Spain. Furthermore, the Eg9-PCR, Eg16-PCR, and Eg9-PCR-RFLP protocols can be used as additional methods to discriminate various E. granulosus genotypes.
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PMID:Further molecular discrimination of Spanish strains of Echinococcus granulosus. 1261 66