Regulatory Systems (U. Streips).Regulation of Gene Expression (R. Doi).DNA Replication in Bacteria (L. Parks).Physiology of DNA Segregation and Cell Division (W. Firshein & U. Streips).DNA Repair Mechanisms and Mutagenesis (R. Yasbin & R. Miehl-Lester).General Genetic Recombination (R. Fishel).Plasmids Other than F (M. Perlin).Conjugation (R. Porter).Transformation (U. Streips).Bacteriophage Genetics (B. Guttman & E. Kutter).Transduction in Gram Negative Bacteria (G. Weinstock).Single-Stranded DNA Phages (J. LeClerc).Restriction-Modification Systems: Genetic Sentries and Useful Systems in the Study of Molecular Genetics (T. Gingeras).Tools and Strategies for Cloning Studies (W. Crabb & E. Ferrari).Chromosomal Metabolism and Organization in Yeast: Genetic and Molecular Approaches (C. Bennett, et al.).The Essentials of Agrobacterium Genetics (W. Ream).Aspergillus Nidulans and Other Filamentous Fungi as Genetic Systems (M. Ward).Genetic Approaches in Bacteria with No Natural Genetic Systems (M. Lidstrom).Future Prospects (F. Young & H. Miller).Index.