Rolf A. Prade is Associate Professor at the Department of Microbiology and Molecular Genetics, Oklahoma State University, Stillwater. The author or coauthor of numerous professional publications, he is a member of the Mycological Society of America, the American Association for the Advancement of Science and the Brazilian Society of Biochemistry. Dr. Prade received the B.S. and Ph.D. degrees from the University of Sao Paulo, Brazil. Hans J. Bohnert is Professor at the Department of Plant Biology, University of Illinois at Urbana-Champaign. The author or coauthor of more than 200 professional publications and the holder of four patents, he is a member of the American Society of Plant Physiologists, the Deutcsche Botanische Gesllschaft and the American Society of Microbiology, among other organizations. Dr. Bohnert received the B.A., M.A. and Ph.D. degrees from the University of Heidelberg, Germany, and the Habilitation degree from the University of Dusseldorf, Germany.