Toxoplasma gondii is a species of parasitic alveolate that causes toxoplasmosis. Found worldwide, T. gondii is capable of infecting virtually all warm-blooded animals, but members of the cat family ar
Dividing T. gondii parasites
T. gondii oocysts in a fecal flotation
T. gondii tissue cyst in a mouse brain. Individual bradyzoites can be seen within.
An unstained T. gondii tissue cyst. Bradyzoites can be seen within.
Behavior-altering parasites are parasites capable of causing changes in the behavior of their hosts species to enhance their transmission, sometimes directly affecting the hosts' decision-making and b
Toxoplasma gondii
…members of the cat family (Felidae) are the only known definitive hosts in which the parasite may undergo sexual reproduction. In rodents, T. gondii alters behavior in ways that increase the rodents' chances of being preyed upon by felids. Support for this "manipulation hypothesis" stems from studies showing that…
Toxoplasma gondii induces behavioral changes in rats by infecting central nervous system neurons.
Snail with its left eye stalk parasitized by Leucochloridium paradoxum.
A long horsehair worm shortly after emerging from its cricket host, now drowned
Emerald cockroach wasp "walking" a paralyzed cockroach to its burrow.