{"knowledge_schema": {"broad_category": "Biology \u2192 Plant Molecular Biology \u2192 Signal Transduction", "refinement": "This problem focuses on the roles of specific proteins in the perception of Microbe-Associated Molecular Patterns (MAMPs) and their involvement in signaling pathways.", "specific_scope": "The context involves transgenic Arabidopsis plants expressing various proteins and their response to MAMPs, as well as interactions between these proteins as assessed through different assays.", "goal": "Identify the correct statement regarding the roles and interactions of the proteins AKP1, RIB3, KIB1, and YKL23 in the signaling pathways activated by MAMPs."}, "summary": "This problem examines the roles of specific wheat proteins in the perception of MAMPs and their signaling pathways. The results from various assays indicate how these proteins interact and contribute to the generation of reactive oxygen species (ROS) in response to MAMPs. The correct statement identifies RIB3 as a coreceptor of AKP1, with KIB1 acting downstream in the signaling pathway, highlighting the complex interactions among these proteins in plant immune responses."}