Gene Silencing in Higher Plants and Related Phenomena in Other Eukaryotes

List of Contents.- trans-Inactivation of Homologous Sequences in Nicotiana tabacum.- DNA Methylation and Transgene Silencing in Petunia hybrida.- Transgene Inactivation in Arabidopsis thaliana.- Developmental Regulation of Co-suppression in Petunia hybrida.- Suppression of Flavonoid Flower Pigmentation Genes in Petunia hybrida by the Introduction of Antisense and Sense Genes.- Sense and Antisense Inactivation of Fruit Ripening Genes in Tomato.- Co-suppression of ?-1 ,3-Glucanase Genes in Nicotiana tabacum.- Gene Silencing in Transgenic Plants: A Heuristic Autoregulation Model.- Paramutation in Maize and Related Allelic Interaction.- DNA Methylation and Activity of the Maize Spm Transposable Element.- Genetic and Epigenetic Inactivation of Repetitive Sequences in Neurospora crassa: RIP, DNA Methylation, and Quelling.- MIP: An Epigenetic Gene Silencing Process in Ascobolus immersus.- Gene Silencing in Drosophila.- Uptake of Foreign DNA by Mammalian Cells Via the Gastrointestinal Tract in Mice: Methylation of Foreign DNA-A Cellular Defense Mechanism.