MAP2K4 and infection: These experiments revealed that the enhanced sensitivity of hlh-30 (Figures 6G, S6A, S6B) or lipl-1 (Figures 6H, S6C, S6D) RNAi-treated animals to PA14 infection was further enhanced by nsy-1 (Figures S6A, S6C), sek-1 (Figures S6B, S6D), or pmk-1 mutation (Figures 6G, H).