Advantages of Arabidopsis for cloning plant genes. Transgene expression and agronomic improvement of rice. Plastid engineering in land plants: a conservative genome is open to change. Transcriptional control of plant storage protein genes. Plant pre-mRNA splicing and splicing components. Control of photosynthetic carbon fixation and partitioning: how can use of genetically manipulated plants improve the nature and quality of information about regulation? Genetic engineering of oxidative stress resistance in higher plants. Control of ripening. Production of industrial materials in transgenic plants. Complementation and disruption of viral processes in transgenic plants. Chitinase gene expression in transgenic plants: a molecular approach to understanding plant defence responses. Virus and fungal resistance: from laboratory to field. Approaches in insect resistance using transgenic plants. Commercialization of genetically engineered crops. The production and uses of genetically transformed plants: concluding remarks.