Regulation of Gene Activity During Conidiophore Development In Aspergillus Nidulans.- Regulation of Expression of Bacterial Genes for Bioluminescence.- Analysis of Genome Organization and Rearrangements by Pulse Field Gradient Gel Electrophoresis.- Structural Instability of Bacillus Subtilis Plasmids.- Geminiviruses, The Plant Viruses with Single-Stranded DNA Genomes.- The Use of Bacterial Plasmids in the Investigation of Genetic Recombination.- Shuttle Mutagenesis: A Method of Introducing Transposons into Transformable Organisms.- Genetic Advances in the Study of Rhizobium Nodulation.- Galactokinase Gene Fusion in the Study of Gene Regulation in E. Coli, Streptomyces, Yeast and Higher Cell Systems.- Structure and Function of the Signal Recognition Particle.- Alteration of the Structure and Catalytic Properties of Rubisco by Genetic Manipulation.- Electrophoresis of DNA in Denaturing Gradient Gels.- Caulimoviruses as Potential Gene Vectors for Higher Plants..- An Insect Baculovirus Host-Vector System for High-Level Expression of Foreign Genes.- Preparation of cDNA Libraries and The Detection of Specific Gene Sequences.- Construction of Human Chromosome Specific DNA Libraries: The National Laboratory Gene Library Project.- New Approaches to the Expression and Isolation of a Regulatory Protein.