What mechanisms do plants have to fight pathogens? In this seminar, Dr. Sheng-Yang He explores plant-pathogen interactions and provides an overview of a plant’s basic immunological responses. As He explains, plants have “resistant” genes, which trigger the immune response after pathogenic infections (effector-triggered immunity). Also, plants immune system can be activated by the recognition of general patterns in pathogens (pattern-triggered immunity). Understanding these interactions could aid in the prevention of disease in plants, which would be beneficial to the agricultural industry and global food security.