The Molecular Biology of Systemic Acquired Resistance (S. Uknes, K. Lawton, E. Ward, T. Gaffney, L. Friedrich, D. Alexander, R. Goodman, J.-P. Metraux, H. Kessmann, P.A. Goy, M.G. Rella, and J. Ryals). Alcohol dehydrogenases (Adh) Genes and Their Expression in Higher Plants: Maize and Petunia (J. Strommer, R.G. Gregerson, E. Foster, and S. Huang). Soybean Transformation to Study Molecular Physiology (J.E. Bond and P.M. Gresshoff). Rhizobium Lipo-Oligosaccharides; Novel Plant Growth Regulators (G. Stacey, J. Sanjuan, H. Spaink, T. van Brussel, B.J.J. Lugtenberg, J. Glushka, and R.W. Carlson). Plant Response to the Microgravity Environment of Space (R.L. Schaefer, G.C. Jahns, and D. Reiss-Bubenheim). Air Pollution and Plant Gene Expression (A. Bahl, S.M. Loitsch, and G. Kahl). Lotus japonicus: A Model Plant for Structure-Function Analysis in Nodulation and Nitrogen Fixation (Q. Jiang and P.M. Gresshoff). Developmental Biology of the Thermophilic Cyanobacterium Mastigocladus laminosus (S.E. Stevens and W. Hernandez-Muniz). Mechanisms of Salt Tolerance in Cyanobacteria (R. Gabbey-Azaria and E. Tel-Or). Field Testing Transgenic Crops (J.E. Brandle). Role of Abscisic Acid in Plant Responses to the Environment (M. Luo, R.D. Hill, and S.S. Mohapatra). Glossary. Index.