1. The effect of trimethylpsoralen — Crosslinks on entry of donor DNA in transformation and transfection of Bacillus subtilis

   • Gerard Venema
   • Umberto Canosi

   OriginalPaper Pages: 1 - 11

2. Cloned structural gene (ompA) for an integral outer membrane protein of Escherichia coli K-12

   • Erhard Bremer
   • Ewald Beck
   • Ulf Henning

   OriginalPaper Pages: 13 - 20

3. Kynurenine hydroxylase mutants of the nematode Caenorhabditis elegans

   • Shahid S. Siddiqui
   • P. Babu

   OriginalPaper Pages: 21 - 24

4. The role of glutamine synthetase and glutamine metabolism in nitrogen metabolite repression, a regulatory phenomenon in the lower eukaryote Neurospora crassa

   • Nigel S. Dunn-Coleman
   • Reginald H. Garrett

   OriginalPaper Pages: 25 - 32

5. Cat3, a third gene locus coding for a tissue-specific catalase in maize: Genetics, intracellular location, and some biochemical properties

   • John G. Scandalios
   • Wu-Fu Tong
   • Demetrios G. Roupakias

   OriginalPaper Pages: 33 - 41

6. Isolation of cell cycle mutants of Physarum polycephalum

   • Timothy G. Burland
   • Jennifer Dee

   OriginalPaper Pages: 43 - 48

7. Characterisation of mutants of Escherichia coli K12, selected by resistance to streptozotocin

   • J. Lengeler

   OriginalPaper Pages: 49 - 54

8. Studies on the E. coli groNB (nusB) gene which affects bacteriophage λ N gene function

   • C. P. Georgopoulos
   • J. Swindle
   • H. Eisen

   OriginalPaper Pages: 55 - 61

9. The ral gene of phage λ

   • Mare Zabeau
   • Steve Friedman
   • Jozef Schell

   OriginalPaper Pages: 63 - 73

10. The ral gene of phage λ

    • Lieve Debrouwere
    • Marc Zabeau
    • Jozef Schell

    OriginalPaper Pages: 75 - 80

11. The ral gene phage λ

    • Lieve Debrouwere
    • Marc Van Montagu
    • Jozef Schell

    OriginalPaper Pages: 81 - 88

12. Differences in electrophoretic behaviour of eight ribosomal proteins from rat and rabbit tissues and evidence for proteolytic action on liver proteins

    • Jean-Jacques Madjar
    • Robert R. Traut

    OriginalPaper Pages: 89 - 101

13. Restriction and modification in B. subtilis

    • Sierd Bron
    • Erik Luxen
    • Thomas A. Trautner

    OriginalPaper Pages: 103 - 110

14. Restriction and modification in B. subtilis

    • Sierd Bron
    • Erik Luxen
    • Thomas A. Trautner

    OriginalPaper Pages: 111 - 117

15. Mutations that overcome plasmid-mediated relaxation affect (p)ppGpp

    • Linda Breeden
    • Michael Yarus

    OriginalPaper Pages: 119 - 124

16. A cloned suppressor tRNA gene relaxes stringent control

    • Linda Breeden
    • Michael Yarus
    • Steven Cline

    OriginalPaper Pages: 125 - 133

17. Translational fidelity in Escherichia coli: Antagonistic effects of neaA and ramC gene products on the ribosome function

    • B. Matkovic
    • A. Herzog
    • L. Topisirović

    OriginalPaper Pages: 135 - 139

18. Localization of mucidin-resistant locus muc3 on mitochondrial DNA with respect to ubiquinol-cytochrome c reductase deficient box loci. Locus muc3 is allelic to box2

    • Gizela Takácsová
    • Július Šubík
    • Zbigniew Kotylak

    OriginalPaper Pages: 141 - 146

19. 30S subunit mutations relieving restriction of ribosomal misreading caused by L6 mutations

    • H. Hummel
    • W. Piepersberg
    • A. Böck

    OriginalPaper Pages: 147 - 153

20. Double mutants of Phycomyces with abnormal phototropism

    • E. D. Lipson
    • D. T. Terasaka
    • P. S. Silverstein

    OriginalPaper Pages: 155 - 162

21. Heterozygosis of phage 2-3 of Rhizobium meliloti: Moderate level of mismatch repair or gene conversion

    • László Orosz
    • Anikó Páy
    • Géza Dallmann

    OriginalPaper Pages: 163 - 167

22. A defect in carbon catabolite repression associated with uncontrollable and excessive maltose uptake

    • K.-D. Entian

    OriginalPaper Pages: 169 - 175

23. Transcription of bacteriophage Mu

    • Rian van Meeteren
    • Pieter van de Putte

    OriginalPaper Pages: 177 - 183

24. Transcription of bacteriophage Mu

    • Rian van Meeteren
    • Micheline Giphart-Gassler
    • Pieter van de Putte

    OriginalPaper Pages: 185 - 189

25. Defective excision repair in a mutant of Micrococcus radiodurans hypermutable by some monofunctional alkylating agents

    • Philip R. Tempest
    • Bevan E. B. Moseley

    OriginalPaper Pages: 191 - 199

26. Isolation and characterization of lambda transducing phages for the E. coli genes ksgA and pdxA

    • Ólafur S. Andrésson
    • Julian E. Davies

    OriginalPaper Pages: 201 - 209

27. Genetic organization and restriction enzyme cleavage map of the ksgA-pdxA region of the Escherichia coli chromosome

    • Ólafur S. Andresson
    • Julian E. Davies

    OriginalPaper Pages: 211 - 216

28. Some properties of the ribosomal RNA methyltransferase encoded by ksgA and the polarity of ksgA transcription

    • Ólafur S. Andrésson
    • Julian E. Davies

    OriginalPaper Pages: 217 - 222

29. Plasmid DNA of Agrobacterium tumefaciens detected in a presumed habituated tobacco cell line

    • Funmei Yang
    • Donald J. Merlo
    • Eugene W. Nester

    Short Communication Pages: 223 - 226