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Daily Potato Research (2026-10-21)

Species-specific divergence in Phytophthora infestans resistance between Nicotiana benthamiana and potato mediated by 1-aminocyclopropane-1-carboxylic acid pretreatment.

BMC plant biology | 2026-Jul-23

This study investigates the divergent effects of 1-aminocyclopropane-1-carboxylic acid (ACC) pretreatment on late blight (Phytophthora infestans) resistance in potato and Nicotiana benthamiana. It demonstrates that ACC induces species-specific transcriptional reprogramming, showing that the failure to activate jasmonic acid (JA) signaling, ROS, and protease inhibitor defenses in potato underlies its distinct immune response compared to N. benthamiana.

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