Volume 12, Number 6, June 2006

Genetic Divergence of Toxoplasma gondii Strains Associated with Ocular Toxoplasmosis, Brazil

Asis Khan,* Catherine Jordan,* Cristina Muccioli,† Adriana L. Vallochi,‡ Luiz V. Rizzo,‡ Rubens Belfort Jr,† Ricardo W.A. Vitor,§ Claudio Silveira,¶ and L. David Sibley*
*Washington University School of Medicine, St. Louis, Missouri, USA; †Paulista School of Medicine, São Paulo, Brazil; ‡University of São Paulo, São Paulo, Brazil; §Federal University of Minas Gerais, Belo Horizonte, Brazil; and ¶Clinica Silveira, Erechim, Brazil

Figure 2. Polymerase chain reaction–restriction fragment length polymorphism (PCR-RFLP) analyses of clinical isolates from Brazil compared to analyses of clonal strains. Shown are the PCR markers SAG3 and BTUB, with their respective restriction digests. Alleles are designated below each figure panel and match those given in the Table. Agarose gel electrophoresis of undigested and restriction digested products for type stained (type I RH, type II Me49, type III CTG). Products were resolved on 3% agarose gels strains with ethidium bromide. Mr refers to size markers from φX174 digested with HaeIII.

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This page last reviewed May 17, 2006

Emerging Infectious Diseases Journal
National Center for Infectious Diseases
Centers for Disease Control and Prevention