Novel Approaches to Engineering Disease Resistance in Crops; K.M.M. Swords. The Structure of Plant Gene Promoters; T.J. Guilfoyle. Plasmid Stabilization by Post-Segregational Killing; K. Gerdes, et al. Pathways and Genes Involved in Cellulose Synthesis; Y. Kawagoe, D.P. Delmer. Conjugative Transposons; A.A. Salyers, N.B. Shoemaker. Termination of DNA Replication in Prokaryotic Chromosomes; D. Bastia, et al. Regulation of Protein Degradation in Plants; J. Callis. Genetic Engineering of Oilseeds for Desired Traits; A.J. Kinney. Specificity of Receptor Tyrosine Kinase Signaling Pathways: Lessons from Drosophila; W. Li, N. Perrimon. Switching on Gene Expression: Analysis of the Factors that Spatially and Temporally Regulate Plant Gene Expression; L. Meisel, E. Lam. Nucleic Acid Transport in Plant-Pathogen Interactions; R. Lartey, V. Citovsky. Leaf Senescence: Gene Expression and Regulation; L.M. Weaver, et al. Production and Analysis of Transgenic Mice Containing Yeast Artificial Chromosomes; K.R. Peterson. Comparative Molecular Analysis of Genes for Polycyclic Aromatic Hydrocarbon Degradation; G.J. Zylstra, et al. Recognition and Signaling in Plant-Pathogen Interactions: Implications for Genetic Engineering; M. Lawton. Index.