This new volume provides a comprehensive summary of the current status of research in plant-microbe interactions as presented at the 11th International Congress on Molecular Plant-Microbe Interactions. These papers include information on nearly all the major crops cultivated throughout the world and on the major trends in the modern research of plant-microbe interactions, including molecular dialogue of partners, integration of plant and microbial metabolic pathways, and development of novel cellular and tissue structures during interactions.