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Recombinant proteins based on APOL1 and APOL3 can kill pathogenic Trypanosoma brucei subspecies, including a variant (rPpMUT) that is effective against T.b. gambiense infection in mice, suggesting that it may serve as a therapy against sleeping sickness.
The role of O-glycosylation in the malaria life cycle is largely unknown. Here, the authors identify a Plasmodium protein O-fucosyltransferase and show that it is important for normal trafficking of a subset of surface proteins, particularly CSP and TRAP, and efficient infection of mosquito and vertebrate hosts.
Microbial pathogens secrete effector proteins into host cells to affect cellular functions. Here, the authors use a yeast-based screen to study around 200 effectors from six bacterial species, showing that over 30% of them interact with the eukaryotic plasma membrane or intracellular organelles.
A recent study by Silvester et al. found that a conserved quorum sensing signalling pathway regulates interspecies crosstalk in trypanosome co-infections and provided novel insights into trypanosome virulence and transmission.
Increasingly, the pathogens that pose the greatest threats to humans are those that evolve to escape prior immunity and pharmaceutical interventions. In response, we need to employ evolutionary thinking to manage infectious disease.
This study found a new role for chaperone–usher pathway (CUP) pili in the colonization of the gut by uropathogenic Escherichia coli (UPEC) and identified a mannoside compound that could be used to prevent their binding to host cells.