This monograph is written by the world's leading experts in the field of PR-proteins and fills a void in the literature of plant improvement. Pathogenesis-Related Proteins in Plants is the first comprehensive book on plant pathogenesis-related proteins. It summarizes the results from efforts to obtain transgenic plants expressing these transgenes on disease resistance. Sample chapters include plant chitinases, expression and function of PR-Proteins in transgenic rice, and the role of thionins in the resistance of plants.