Ocular toxoplasmosis is a retinitis–almost always accompanied by vitritis and choroiditis–
caused by intraocular infection with Toxoplasma gondii. Depending on retinal location, this …

Background With approximately 30% of the world population infected, Toxoplasma gondii is
one of the most widespread pathogenic parasites in both humans and animals and a major …

Infections with the protozoan parasite Toxoplasma gondii are frequent, but one of its main
consequences, ocular toxoplasmosis (OT), remains poorly understood. While its clinical …

Toxoplasma gondii is an obligate intracellular parasite belonging to the phylum
Apicomplexa. It has a worldwide distribution and can infect a wide variety of intermediate …

Immunoglobulin genes are rarely considered as disease susceptibility genes despite their
obvious and central contributions to immune function. This appears to be a consequence of …

Toxoplasma gondii is a widespread protozoan parasite infecting approximately one third of
the world population. After proliferation of tachyzoites during the acute stage, the parasite …

Abstract Background Whereas in Europe most of Toxoplasma gondii genotypes belong to
the type II lineage, in Latin America, type II is rare and atypical strains predominate. In North …

Toxoplasma gondii ROP16 and ROP18 proteins have been identified as important virulence
factors for this parasite. Here, we describe the effect of ROP16 and ROP18 proteins on …

Objectives To determine the frequency of retinochoroidal lesions by ocular toxoplasmosis
and their relationships with risk factors, in residents of two districts with high exposure to …

In human ocular toxoplasmosis, serotype is related with greater severity. We analyzed
Toxoplasma GRA6 serotype in 23 patients with ocular toxoplasmosis (13 confirmed, two co …