Rapid identification of virulent type I strains of the protozoan pathogen Toxoplasma gondii by PCR-restriction fragment length polymorphism analysis at the B1 gene
Me. Grigg et Jc. Boothroyd, Rapid identification of virulent type I strains of the protozoan pathogen Toxoplasma gondii by PCR-restriction fragment length polymorphism analysis at the B1 gene, J CLIN MICR, 39(1), 2001, pp. 398-400
Sequence analysis at the 35-fold-repetitive B1 locus identified three restr
iction sites capable of discriminating type I (mouse-virulent) from type II
or III (mouse-avirulent) strains of Toxoplasma gondii. B1 PCR-restriction
fragment length polymorphism analysis of 8 type I, 17 type II, and 8 type I
II strains confirms the specificity of the assay. It should now be possible
to ask whether strain genotype affects the severity and type of clinical d
isease in humans.