Mobile Genetic Elements

ContributorsGenomic Reorganization in Cell Lineages1. Controlling Elements in Maize I. Introduction II. Overview of Maize Controlling Elements III. The Ac-Ds Controlling Element Family IV. The Spm Controlling Element Family V. The Origin of Controlling Elements VI. Discussion References2. Bacteriophage ¿ I. The ¿ Life Cycle II. Mechanism of Insertion and Excision III. Regulation of Integration Genes V. Comparative Properties of Phages that Insert by Reciprocal Site-Specific Recombination V. Reciprocal Recombination as a Transposition Mechanism VI. Evolution of ¿ and Its Relation to Host Evolution References3. Phage Mu: Transposition as a Life-Style I. Introduction II. Mu as a Temperate Phage III. Mu as a Transposable Element IV. D108 V. Mu and Host Factors Involved in Transposition-Replication References4. Prokaryotic IS Elements I. Introduction II. Discussion of Knowledge and Concepts III. Interpretation of Available Data IV. DNA Rearrangements and Gene Transfer Attributable to IS Elements V. Conclusions, Speculations, and Open Questions References5. Tn3 and Its Relatives I. Introduction II. Element-Specific Recombination III. The Genetic Organization of Tn3 IV. Mechanism of Transposition V. IS 101 and Tn957: The Degenerate Transposons VI. The Tn507/Tn721 Subgroup VII. Transposition Immunity References6. Transposon Tn10 I. Introduction II. Transposition of Tn10 as a Discrete Unit III. Genetic Organization of Tn10 IV. Genetic Analysis of Tn10 Transposition V. Genetic Organization of Tn70-Right VI. Role of the Host in Tn10 Transposition VII. Mechanism of Tn10 Transposition VIII. Tn10-Associated Excision IX. Tn10 as a Substrate for Homologous Recombination References7. Transposable Elements in Yeast I. Introduction II. Transposition of Ty Elements III. Catalog of Ty Elements IV. Heterogeneity of Ty Elements V. Heterogeneity of d Sequences VI. Heterogeneity in the Distribution of Ty Elements VII. Recombination between Ty and d Sequences VIII. Ty Transcription IX. Ty Effects on Gene Expression X. Control of Tys XI. Summary and Conclusions References8. Dispersed Repetitive DNAs in Drosophila I. Introduction II. copia-Like Elements III. Foldback Elements IV. ¿ Elements V. Other Dispersed Repetitive Families VI. Evolution of Drosophila Transposable Elements and Their Relationship to the Rest of the Genome References9. Hybrid Dysgenesis Determinants I. Introduction II. Phenomenology of Hybrid Dysgenesis III. Inheritance of the Chromosomal Components IV. Inheritance of the Maternal Regulatory Components V. Interactions between the Two Components VI. Regulation of I and ¿ Elements VII. Hybrid Dysgenesis and Evolution References10. Retroviruses I. Introduction II. The Properties of Retroviruses III. Proviruses as Movable Genetic Elements IV. Prospects References11. Agrobacterium Tumor Induction I. Crown Gall: Agrobacterium-Plant-Cell Interaction II. Genetic and Functional Characteristics of Different Types of Ti Plasmids III. T-DNA Transfer from Plasmids to the Nucleus of Plant Cells IV. T-DNA as a New Chromosomal Locus in Transformed Plant Cells V. General Conclusions References12. Phase Variation and Related Systems I. Introduction II. The Genetics of Phase Variation III. The Molecular Basis of Phase Variation IV. Bacteriophage Mu V. Some Other Site-Specific Recombination Systems VI. Evolution of the Phase Variation System VII. Functional Significance References13. Mating-Type Genes of Saccharomyces cerevisiae I. Introduction II. The Mating-Type Locus III. Mating-Type Conversions IV. Expression of the Silent Genes without Transposition V.