WEE1 and malaria: Key roles for protein kinases as regulators of parasite development in the mosquito have recently begun to emerge from studies in P. falciparum, the most lethal malaria parasite of humans, and P. berghei, a species that infects rodents and in which mosquito stages are particularly accessible to experimentation (Billker et al., 2009; Doerig et al., 2008).