Acknowledgment. Nuclear Plasmids of Dictyostelium; J.E. Hughes, D.L. Welker. The Translation Initiation Signal in E. coli and its Control; E. Fuchs. Direct Isolation of Specific Chromosomal Regions and Entire Genes by Tar Cloning; V. Larionov. Regulation of Lysine and Threonine Metabolism in Plants; R. Amir, G. Galili. Genetic Engineering of Plant Chilling Tolerance; J. Tokuhisa, J. Browse. Role of Bacterial Chaperones in DNA Replication; I. Konieczny, M. Zylicz. Transformation of Cereals; R. Bilang, et al. Mechanisms of Initiation of Linear DNA Replication of Prokaryotes; M. Salas. Diverse Regulatory Mechanisms of Amino Acid Biosynthesis in Plants; K.J. Denby, R.L. Last. Forage and Turf-Grass Biotechnology: Principles, Methods and Prospects; J.W. Forster, G.C. Spangenberg. Informatics Needs of Plant Molecular Biology; M. Polacco. Index.