1. Conjugation in Escherichia coli: A study of recombination and the fate of donor DNA at the level of the zygote

   • Hans E. N. Bergmans
   • Wiel P. M. Hoekstra
   • Ellen M. Zuidweg

   OriginalPaper Pages: 1 - 10

2. The regulatory nature of the phoB gene for alkaline phosphatase synthesis in Escherichia coli

   • Ezra Yagil
   • Moshe Bracha
   • Yael Lifshitz

   OriginalPaper Pages: 11 - 16

3. IS1 is involved in deletion formation in the gal region of E. coli K12

   • H. J. Reif
   • H. Saedler

   OriginalPaper Pages: 17 - 28

4. Mitochondrial genetics X: Effects of UV irradiation on transmission and recombination of mitochondrial genes in Saccharomyces cerevisiae

   • B. Dujon
   • A. Kruszewska
   • L. Weill

   OriginalPaper Pages: 29 - 72

5. A new gene for ribosomal restriction in Escherichia coli

   • Robert T. Garvin
   • Luigi Gorini

   Short Communication Pages: 73 - 78

6. Indirect induction of a Staphylococcus aureus prophage by pllde a plasmid phage hybrid

   • Peter Smith
   • Anet Duffy
   • L. Kieran Dunican

   Short Communication Pages: 79 - 83

7. Tetracycline-sensitive mutants of the F-like R factors R 100 and R 100-1

   • T. J. Foster

   Short Communication Pages: 85 - 88