Contrasting evolutionary patterns of helper and sensor NRC NLRs in lettuce reflect functional divergence following subfunctionalization. - Pai, Hsuan; Sakai, Toshiyuki; Posbeyikian, Andres; Frijters, Raoul; Sugihara, Yu; Contreras, Mauricio P.; Kourelis, Jiorgos; Adachi, Hiroaki; Kamoun, Sophien; Toghani, AmirAli (PLoS Genetics, 2026)