1. Replication of plasmid pSC101 inEscherichia coli K12: Requirement fordnaA function

   • Kohji Hasunuma
   • Mutsuo Sekiguchi

   OriginalPaper Pages: 225 - 230

2. Mapping of restriction sites in the attachment site region of bacteriophage lambda

   • D. Kamp
   • R. Kahmann
   • R. J. Roberts

   OriginalPaper Pages: 231 - 248

3. Evidence for an excess of rDNA in the testis ofDrosophila melanogaster during rDNA magnification

   • D. Locker
   • M. Marrakechi

   OriginalPaper Pages: 249 - 254

4. Fine structure physical mapping of 4S RNA genes on mitochondrial DNA ofSaccharomyces cerevisiae

   • Gert-Jan B. Van Ommen
   • Gert S. P. Groot
   • Piet Borst

   OriginalPaper Pages: 255 - 262

5. RNA-linked nascent DNA pieces in T7 phage-infectedEscherichia coli cells

   • Kazuo Shinozaki
   • Tuneko Okazaki

   OriginalPaper Pages: 263 - 267

6. Ergosterol biosynthesis inSaccharomyces cerevisiae

   • Francis Karst
   • François Lacroute

   OriginalPaper Pages: 269 - 277

7. Gene affecting longevity of messenger RNA: A mutant ofEscherichia coli with altered mRNA stability

   • Michihiko Kuwano
   • Mayumi Ono
   • Yoshinari Ohnishi

   OriginalPaper Pages: 279 - 285

8. Prophage induction inEscherichia coli K12 cells deficient in DNA polymerase I

   • Manuel Blanco
   • Lina Pomes

   OriginalPaper Pages: 287 - 292

9. Major proteins of the outer cell envelope membrane ofEscherichia coli K-12: Multiple species of protein I

   • Ulf Henning
   • Waltraud Schmidmayr
   • Ingrid Hindennach

   OriginalPaper Pages: 293 - 298

10. Electron microscopy of DNA: Determination of Absolute molecular weights and linear density

    • Dietrich Stüber
    • Hermann Bujard

    OriginalPaper Pages: 299 - 303

11. Insertion of the tetracycline resistance translocation unit Tn10 in thelac operon ofEscherichia coli K12

    • T. J. Foster

    OriginalPaper Pages: 305 - 309

12. Nuclear-extranuclear interactions affecting oligomycin resistance inAspergillus nidulans

    • R. T. Rowlands
    • G. Turner

    OriginalPaper Pages: 311 - 318

13. Genetic identification of cloned fragments of bacteriophage T4 DNA and complementation by some clones containing early T4 genes

    • Tom Mattson
    • Griet Van Houwe
    • Richard Epstein

    OriginalPaper Pages: 319 - 326

14. Synthesis of ribosomal proteins in merodiploid strains and in minicells ofEscherichia coli

    • Dieter Geyl
    • August Böck

    OriginalPaper Pages: 327 - 334

15. Antimutagens againstmutT

    • Colin H. Clarke
    • Delbert M. Shankel

    Short Communication Pages: 335 - 336

16. Erratum

    • Ewa Chlebowicz
    • Witold J. Jachymczyk

    Erratum Pages: 337 - 337