Sentence examples for off the parasite from inspiring English sources
The vaccine aims to trigger the immune system to fight off the parasite at two crossroads: when it first enters the human's bloodstream and after it infects the liver.
Women with fewer antibodies--and hence a weaker immune response--against VAR2CSA were four times more likely than women with high levels of antibody to give birth to seriously underweight infants, suggesting that they didn't fight off the parasite as well, according to the team's report in the 1 November issue of The Journal of Experimental Medicine.
Thus, fish-induced defences may be less costly than inducible defences against small invertebrate predators like Triops; the latter defences could no longer be expressed when the host had already invested in fighting off the parasite.
However, since our study did not aim to measure the immune response it remains speculative if fighting off the parasite under different predator regimes results in a variable amount of resources available for the expression of defensive traits.
Extracellular proteins are defined as parasite proteins, which are localized either on the surface or secreted off the parasite.
Moreover, since immune systems are highly plastic we cannot rule out that the investment into fighting off the parasite differed between the two predators the Daphnia were exposed to.
The pay-off of the parasite is not only decided by other parasites but also by the predator strategy and vice-versa.
Scientists had been attempting to kill off the parasites injected by malarial mosquitoes as soon as they entered the bloodstream.
They will be raised in captivity before being released back into the wild once they are big enough to fend off the parasites.
Ten years ago, scientists found that large populations of the parasite died off between 3000 and 5000 years ago, creating a "bottleneck" that reduced the species's genetic variability.
Consequently, virulence will result in trade-offs between different components of the parasite's fitness.
