Medical and Technical Publishing Co., Ltd.; Contents; Preface; Participants; DNA Polymerase I Activity in Polymerase I Mutants of Escherichia coli; Concerted Effect of Pancreatic DNase and the Large Fragment of DNA Polymerase I; Mechanisms of Excision-Repair; Nucleotide Sequencing of 3' Termini of Duplex DNA with the T4 DNA Polymerase; Exonuclease Activity of Wild Type and Mutant T4 DNA Polymerases: Hydrolysis during DNA Synthesis in Vitro; DNA Polymerases of Escherichia coli; Studies on DNA Polymerases IT and ill of Escherichia coli; The Discontinuous Replication of DNA. Genetics and Physiology of DNA Ligase Mutants of Escherichia coliTwo DNase-related A TPases of Escherichia coii·; Involvement of dna Gene Products in the Conversion of x-174 and fd DNA to Replicative Forms; Extracts of Escherichia coli*; Factors Stabilizing DNA Folding in Bacterial Chromosomes; Protein 00: A DNA Swivelase from Escherichia Coli?; Initiation of DNA Synthesis; In Vitro Studies on Escherichia coli DNA Replication Factors and on the Initiation of Phage A DNA Replication; Proteins of the T4 Bacteriophage Replication Apparatus. Discontinuous DNA Synthesis in Vitro: A Method for Defining the Role of Factors in Replication*Self-association of Gene 32 Protein; The DNA Polymerases of RNA Tumor Viruses and Their Relationship to Cellular DNA Polymerases; RNA-directed and -primed DNA Polymerase Activities in Tumor Viruses and Human Lymphocytes; RNA-dependent DNA Polymerase Activity of RNA Tumor Viruses; RNA-DNA Bonds Formed; Avian Myeloblastosis Virus DNA Polymerase; Characteristics of the Transcription of RNA by the DNA Polymerase of Rous Sarcoma Virus; DNA Polymerase in Association with Intracisternal A -type Particles. Inhibition of Leukemia Virus Replication by Vinyl Analogs of PolynucleotidesComplementation Analysis of Mutations at the dnaB, dnaC, and dnaD Loci; In Vivo and in Vitro Chromosome Replication in Bacillus subtilis; Bacillus subtilis; In Vitro DNA Synthesis and Function of DNA Polymerases in Bacillus subtilis·; D-Loops in Intracellular; Some Biochemical Elements in Bacteriophage T7 DNA Replication in Vitro; Autoradiographic Demonstration of Bidirectional Replication in Escherichia coli.