1. Transposition and insertion of intact, deleted and enlarged ampicillin transposon Tn3 from mini-R1 (Rsc) plasmids into transfer factors

   • W. Goebel
   • W. Lindenmaier
   • B. Schelle

   OriginalPaper Pages: 119 - 129

2. Transduction of R plasmids by bacteriophages P1 and P22

   • Katsutoshi Mise
   • Rintaro Nakaya

   OriginalPaper Pages: 131 - 138

3. Purification and properties of a λ operator-binding protein which is expected to be autorepressor (tof protein) from E. coli carrying λdv plasmid

   • Tomoaki Murotsu
   • Hiroshi Tanaka
   • Tadao Horiuchi

   OriginalPaper Pages: 139 - 147

4. Amber mutations in Escherichia coli essential genes: Isolation of mutants affected in the ribosomes

   • Geneviève Delcuve
   • Teresa Cabezón
   • Alex Bollen

   OriginalPaper Pages: 149 - 153

5. Synthesis of the Escherichia coli K12 isoenzymes of ornithine transcarbamylase, performed in vitro

   • Michael L. Cleary
   • Robert T. Garvin
   • Eric James

   OriginalPaper Pages: 155 - 165

6. Detection and characterization of naturally occuring plasmids in Bacillus subtilis

   • J.-C. Le Hégarat
   • C. Anagnostopoulos

   OriginalPaper Pages: 167 - 174

7. Molecular cloning and in vitro transcription of Bacillus subtilis plasmid in Escherichia coli

   • Sueharu Horinouchi
   • Takeshi Uozumi
   • Kei Arima

   OriginalPaper Pages: 175 - 182

8. Deletion mapping of wildtype and mutant alleles at the B incompatibility factor of Schizophyllum

   • Judith Stamberg
   • Y. Koltin
   • Aviva Tamarkin

   OriginalPaper Pages: 183 - 187

9. Complementation analysis of Klebsiella pneumoniae mutants defective in nitrogen fixation

   • Ray Dixon
   • Christina Kennedy
   • Mike Merrick

   OriginalPaper Pages: 189 - 198

10. Linkage map of the nitrogen fixation (nif) genes in Klebsiella pneumoniae

    • Christina Kennedy

    OriginalPaper Pages: 199 - 204

11. Exchange of ribosomal proteins among the ribosomes of Escherichia coli

    • W. R. Robertson
    • S. J. Dowsett
    • S. J. S. Hardy

    OriginalPaper Pages: 205 - 214

12. Early and late transfer of F genes by Hfr donors of E. coli K-12

    • Mark S. Guyer
    • Alvin J. Clark

    OriginalPaper Pages: 215 - 222

13. Isolation of four phenotypic classes of transfer-proficient, pilus-specific-bacteriophage-resistant mutants of an F-like plasmid of Escherichia coli K12

    • László Orosz
    • John C. Wootton

    OriginalPaper Pages: 223 - 230