1. Genetic studies of hybrids between coliphage λ and Salmonella phage P22: Genetic analysis of the P22-λ hybrid class

   • Nobuto Yamamoto
   • N. Ushijima
   • L. S. Baron

   OriginalPaper Pages: 117 - 121

2. Somatic segregation and rate of greening after ultraviolet irradiation of Euglena gracilis

   • Paul Nicolas
   • Jean-Pierre Innocent
   • Victor Nigon

   OriginalPaper Pages: 123 - 129

3. Function of the tof gene product in modifying chemical stability of trp messenger RNA synthesized from the P _L promoter of λtrp phage

   • Tadashi Yamamoto
   • Fumio Imamoto

   OriginalPaper Pages: 131 - 138

4. Polarity effect on Φ80 late gene expression caused by insertion of su⁺3-transducing fragment

   • Akira Murakami
   • Hachiro Inokuchi
   • Hideo Yamagishi

   OriginalPaper Pages: 139 - 143

5. Genetic mapping of trxA, a gene affecting thioredoxin in Escherichia coli K12

   • David F. Mark
   • John W. Chase
   • Charles C. Richardson

   OriginalPaper Pages: 145 - 152

6. Directed integration of an F′ plasmid by integrative suppression

   • Shigeru Iida

   OriginalPaper Pages: 153 - 162

7. Phenotypic instability in a tif-1 mutant of Escherichia coli

   • Erela Ephrati-Elizur
   • Sheila Luther-Davies

   OriginalPaper Pages: 163 - 169

8. A further characterization of the cinnamon gene in Drosophila melanogaster

   • Hesed Maria Padilla
   • William G. Nash

   OriginalPaper Pages: 171 - 177

9. Selective enrichment for genetic markers in DNA released by competent cultures of Bacillus subtilis

   • W. Douglas Crabb
   • Uldis N. Streips
   • R. J. Doyle

   OriginalPaper Pages: 179 - 183

10. Relation between F, R1, R100 and R144 Escherichia coli K-12 donor strains in mating

    • Louis Havekes
    • Wiel Hoekstra
    • Han Kempen

    OriginalPaper Pages: 185 - 189

11. Multiple effects of an RNA polymerase β' mutation on in vitro transcription

    • Barbara S. Young
    • Andrew Wright

    OriginalPaper Pages: 191 - 196

12. The frequency of P1 transduction of the genes of Escherichia coli as a function of chromosomal position: Preferential transduction of the origin of replication

    • Millicent Masters

    OriginalPaper Pages: 197 - 202

13. In vivo transcription of E. coli genes coding for rRNA, ribosomal proteins and subunits of RNA polymerase: Influence of the stringent control system

    • Daniel L. Maher
    • Patrick P. Dennis

    OriginalPaper Pages: 203 - 211

14. Transformation of Escherichia coli by a specific DNA restriction fragment

    • Silvia M. Schweitzer
    • Hans Matzura

    OriginalPaper Pages: 213 - 217

15. Regulation of the dnaA product in Escherichia coli

    • Flemming G. Hansen
    • Knud V. Rasmussen

    OriginalPaper Pages: 219 - 225

16. Identification of the sid outer membrane receptor protein in Salmonella typhimurium SL1027

    • Volkmar Braun
    • Klaus Hantke
    • Wolfgang Stauder

    Short Communication Pages: 227 - 229

17. Kinetics of induction of error-prone repair of bacteriophage λ by temperature shift in an Escherichia coli dnaB mutat

    • Perrine Caillet-Fauquet
    • Martine Defais

    Short Communication Pages: 231 - 234