Comparison of various primer sets for detection of Toxoplasma gondii by polymerase chain reaction in fetal tissues from naturally aborted foxes |
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Authors: | Smielewska-Loś E |
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Institution: | Department of Epizootiology and Veterinary Administration with Clinic, Faculty of Veterinary Medicine, Agricultural University, pl. Grunwaldzki 45, 50-366 Wroc?aw, Poland. |
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Abstract: | Tissues from 4 aborted polar foxes (3 samples of brain and 4 samples of liver) were selected for Toxoplasma gondii PCR assay. Positive results of serological tests of mothers and immunofluorescence test (IFT) of fetal organ smears were the criteria of sample selection. Five sets of primers designed from B1 gene and ITS1 sequences of T. gondii were used for detection of the parasite in fetal fox tissues. All used primer sets successfully amplified T. gondii DNA in PCR from organs which were positive by IFT. Single tube nested PCR also showed positive result from a sample negative by IFT, but this product was not confirmed. The studies showed usefullness of PCR for routine diagnosis of toxoplasmosis in carnivores. |
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