Recent studies found that isolates of Toxoplasma gondii from Brazil were biologically and
genetically different from those in North America and Europe. However, to date only a small
number of isolates have been analysed from different animal hosts in Brazil. In the present
study DNA samples of 46 T. gondii isolates from cats in 11 counties in São Paulo state,
Brazil were genetically characterised using 10 PCR restriction fragment length
polymorphism markers including SAG1, SAG2, SAG3, BTUB, GRA6, c22-8, c29-2, L358 …