The anthelmintic praziquantel (PZQ) is an essential tool in controlling schistosomiasis, so reports of reduced PZQ efficacy are of great public health concern. Le Clec'h et al. recently identified a gene responsible for PZQ resistance in experimentally selected resistant Schistosoma mansoni. The importance of this locus in natural infections remains to be established.
Keywords: Schistosoma mansoni; praziquantel; resistance; transient receptor potential channel.
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