Front Cover; Mobilization and Reassembly of Genetic Information; Copyright Page; Table of Contents; Speakers, Chairmen, and Discussants; Preface; Chapter 1. A Review of the Eleventh Feodor Lynen Lecture Given by Fred Sanger; REFERENCES; Chapter 2. MODIFIED GENE EXPRESSIONS INDUCED BY TRANSPOSABLE ELEMENTS; I. INTRODUCTION; II. ORGANIZATION AND OPERATION OF TRÄNSP0SABLE GENE-CONTROL ELEMENTS IN MAIZE; III. SIMILARITIES BETWEEN MAIZE CEs AND TRANSPOSONS ON PLASMIDS; IV. CONCLUDING STATEMENTS; REFERENCES; Chapter 3. STUDIES WITH IS4; INTRODUCTION; A. The Structure Of IS4

B. Insertion Specificity of IS4C. The Transposition Of IS4; D. Bidirectional Deletions; REFERENCES; Chapter 4. DNA SEQUENCE REARRANGEMENTS WITHIN IS2 AND THEIR INFLUENCE ON GENE EXPRESSION; INTRODUCTION; INSERTIONS OF ONE INSERTION SEQUENCE INTO ANOTHER; DISCUSSION; REFERENCES; Chapter 5. A GENETIC ANALYSIS OF THE TRANSPOSON TN3: EVIDENCE FOR COINTEGRATES AS INTERMEDIATES IN TRANSPOSITION; I. ABSTRACT; II. INTRODUCTION; III. RESULTS; IV. DISCUSSION; REFERENCES; DISCUSSION; Chapter 6. REGULATION OF Tn3 TRANSPOSITION AND SPECIFICITY OF ITS INSERTION SITES; INTRODUCTION

USE OF LAC GENE FUSIONS TO IDENTIFY AND STUDY SIGNALS THAT REGULATE EXPRESSION OF TN3 GENESPROMOTION OF REPLICON FUSIONS BY A TRANS-ACTING GENE PRODUCT OF THE F PLASMID; TRANSLOCATION SPECIFITY OF THE Tn3 ELEMENT; ACKNOWLEDGMENTS; REFERENCES; DISCUSSION; Chapter 7. Transposable Genetic Elements: The Mu Paradigm; Construction of mini-Mu Plasmids; Replication and Transposition of mini -- MuSequences; Behaviour of Mu- and mini -- Mu -- Containing Plasmids During Transposition; Analysis of Cointegrates; The Mu Transposition Problem in 1980; REFERENCES

Chapter 8. THE FUSION OF DNA MOLECULES AND GENETIC RECOMBINATIONThe Prototype Holliday Model; Physical Evidence for the Existence of the Holliday Recombination Intermediate; Genome Fusion Enzymes; Purification of DNA Synaptase; The Rec A Protein; REFERENCES; ACKNOWLEDGMENTS; DISCUSSION; Chapter 9. EXCISION AND REPLICATION SEQUENCES IN THE MITOCHONDRIAL GENOME OF YEAST; I. INTRODUCTION; II. RESULTS; III. DISCUSSION; REFERENCES; DISCUSSION; Chapter 10. CONTROL OF CELL TYPE IN YEAST BY GENETIC CASSETTES; I. INTRODUCTION; II. IDENTIFICATION OF HO, HML, AND HMR LOCI

III. MODELS FOR MATING TYPE INTERCONVERSIONIV. ADDITIONAL OBSERVATIONS ON MATING TYPE INTERCONVERSION AND A TEST OF THE CASSETTE MODEL; V. THE MECHANISM OF MATING TYPE INTERCONVERSION; VI. EXTENSIONS AND EXTRAPOLATIONS OF THE CASSETTE MODEL; REFERENCES; Chapter 11.STRUCTURE AND EVOLUTION OF GROWTH HORMONE RELATED GENES; I. INTRODUCTION; II. MATERIALS AND METHODS; III. RESULTS; IV. CONCLUSIONS; REFERENCES; DISCUSSION; Chapter 12. STABLE AND UNSTABLE EXPRESSION OF GENES IN DNA TRANSFORMED CELLS; I. INTRODUCTION; II. RESULTS AND DISCUSSION; III. CONCLUSIONS; REFERENCES; DISCUSSION