1. The nature of the genetic determinant for the SHV-1 β-lactamase

   • M. E. Nugent
   • R. W. Hedges

   OriginalPaper Pages: 239 - 243

2. Loss of rac locus DNA in merozygotes of Escherichia coli K12

   • Richard Evans
   • Neil R. Seeley
   • Peter L. Kuempel

   OriginalPaper Pages: 245 - 250

3. Altered chemical properties in three mutants of E. coli RNA polymerase sigma subunit

   • Richard R. Burgess
   • Carol A. Gross
   • Peter A. Lowe

   OriginalPaper Pages: 251 - 257

4. Abolition of the cyclic variations in radiosensitivity during meiosis in a sporulation mutant blocked in premeiotic DNA synthesis

   • H. Hottinguer-De Margerie
   • E. Moustacchi

   OriginalPaper Pages: 259 - 265

5. Dissection of the transposition process: A transposon-encoded site-specific recombination system

   • Avril Arthur
   • David Sherratt

   OriginalPaper Pages: 267 - 274

6. A novel priming system for conjugal synthesis of an IncIα plasmid in recipients

   • Graham J. Boulnois
   • Brian M. Wilkins

   OriginalPaper Pages: 275 - 279

7. Evidence for a common cytoplasmic determinant of longevity and senescence in the ascomycete Podospora anserina

   • Alain Raynal

   OriginalPaper Pages: 281 - 292

8. Unstable ascospore color mutants of Ascobolus immersus

   • G. Rizet
   • C. Lefort
   • A. Kouassi

   OriginalPaper Pages: 293 - 303

9. Natural premature protein synthesis termination can be reduced in Escherichia coli by decreased translation rates

   • Alan G. Atherly

   OriginalPaper Pages: 305 - 311

10. A cold-sensitive mutant of Saccharomyces cerevisiae defective in ribosome processing

    • Doris Ursic
    • Julian Davies

    OriginalPaper Pages: 313 - 323

11. Outer membrane protein a and other polypeptides regulate capsular polysaccharide synthesis in E. coli K-12

    • Randall C. Gayda
    • Hanna Avni
    • Alvin Markovitz

    OriginalPaper Pages: 325 - 332

12. Localization of the dihydrofolate reductase gene on the physical map of bacteriophage T5

    • Gabriele Peter
    • Urs J. Hänggi
    • Hans G. Zachau

    OriginalPaper Pages: 333 - 341

13. Plasmid cistrons controlling synthesis and excretion of the exotoxin α-haemolysin of Escherichia coli

    • A. Noegel
    • U. Rdest
    • W. Goebel

    OriginalPaper Pages: 343 - 350

14. The genome of B. subtilis phage SPP1

    • B. Behrens
    • G. Lüder
    • A. T. Ganesan

    OriginalPaper Pages: 351 - 357

15. Linkage group-chromosome correlation in Podospora anserina

    • Jean-Marc Simonet
    • Denise Zickler

    OriginalPaper Pages: 359 - 367

16. IS4 is found between eleven or twelve base pair duplications

    • P. Habermann
    • R. Klaer
    • P. Starlinger

    OriginalPaper Pages: 369 - 373