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Pfs47 midgut receptor

Not Open Access | Plasmodium falciparum evades immunity of anopheline mosquitoes by interacting with a Pfs47 midgut receptor

February 14, 2020 - 17:06 -- NOT Open Access
Author(s): 
Molina-Cruz A, Canepa GE, Barillas-Mury C, et al.
Reference: 
PNAS February 4, 2020 117 (5) 2597-2605

The surface protein Pfs47 allows Plasmodium falciparum parasites to survive and be transmitted by making them “undetectable” to the mosquito immune system. P. falciparum parasites express Pfs47 haplotypes compatible with their sympatric vectors, while those with incompatible haplotypes are eliminated by the mosquito. We proposed that Pfs47 serves as a “key” that mediates immune evasion by interacting with a mosquito receptor “the lock,” which differs in evolutionarily divergent anopheline mosquitoes. Recombinant Pfs47 (rPfs47) was used to identify the mosquito Pfs47 receptor protein (P47Rec) using far-Western analysis.

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