Complex sentence: PfATP6 mutations clearly play no role in the reduced artemisinin susceptibility observed in southeast Asia and the consensus is that PfATP6 is not directly involved in artemisinin action or resistance.
Split into simpler sentences: PfATP6 mutations clearly play no role in the reduced artemisinin susceptibility observed in southeast Asia. The consensus is that PfATP6 is not directly involved in artemisinin action or resistance.