That could be because that particular Plasmodium species does not cause malaria.
But those that did kill the parasites that cause malaria, he said, also killed cancer cells.
WASHINGTON, Sept. 15 — The World Health Organization on Friday forcefully endorsed wider use of the insecticide DDT across Africa to exterminate and repel the mosquitoes that cause malaria.
Besides the sterilization problem, he said, there was the risk that underirradiated parasites would cause malaria or that weakened parasites would not reach the liver.
Researchers have long known that bacteria evolve to evade antibiotics, and that parasites, like those that cause malaria, adapt to drugs used against the disease.
The variant form of DARC stops the growth of Plasmodium vivax, one of the four parasites that can cause malaria.
And then there is the casual mention of a parasite that used to cause malaria only in monkeys and is now showing up in sick people in Asia.
Birds and some other groups of animals carry their own species of Plasmodium, which is also transmitted by mosquitoes, but they do not cause malaria in humans.
In 1943, he enrolled in a special Navy medical training program, working at St . Albans Naval Hospitalin Queens, examining servicemen returning from war in the Pacific for parasites that cause malaria.
Using blood samples and epidemiological data collected from the children, the researchers pinpointed a protein, known as PfSEA-1, which the parasites need in order to escape from inside red blood cells they infect as they cause malaria.
This is an intestinal parasite of humans and other animals; it belongs to a group known as the apicomplexans, which includes a number of nasties such as Plasmodium, the bugs that cause malaria.
