Toxoplasma gondii is a global protozoan pathogen. Clonal lineages predominate in Europe,
North America, Africa, and China, whereas highly recombinant parasites are endemic in …

The Toxoplasma gondii genome contains two aromatic amino acid hydroxylase genes,
AAH1 and AAH2 encode proteins that produce L-DOPA, which can serve as a precursor of …

Toxoplasma gondii oocysts, which are shed in large quantities in the feces from infected
felines, are very stable in the environment, resistant to most inactivation procedures, and …

Giardia duodenalis (syn. G. intestinalis, G. lamblia) is a widespread gastrointestinal
protozoan parasite with debated taxonomic status. Currently, eight distinct genetic sub …

Through international trades, Europe, Africa and South America share a long history of
exchanges, potentially of pathogens. We used the worldwide parasite Toxoplasma gondii to …

Lipid flipping in the membrane bilayers is a widespread eukaryotic phenomenon that is
catalyzed by assorted P4-ATPases. Its occurrence, mechanism, and importance in …

From February 2020 to March 2022, four southern sea otters (Enhydra lutris nereis) stranded
in California with severe protozoal steatitis and systemic toxoplasmosis. Three of the …

Background: Toxoplasma gondii (T. gondii) is a protozoan parasite with high prevalence
worldwide. More than 40 million individuals in the United States carry this parasite. T. gondii …

Toxoplasma gondii is a zoonotic protozoan with a worldwide occurrence, but the
determinants of the current pattern in the geographical distribution of T. gondii lineages and …

Histidine kinases (HKs) are primary sensor proteins that act in cell signaling pathways
generically referred to as “two-component systems”(TCSs). TCSs are among the most widely …