1. Genetic analysis of UV mutagenesis of the Escherichia coli gly U gene

   • Zygmunt Ciesla
   • Philip O'Brien
   • Alvin J. Clark

   OriginalPaper Pages: 1 - 8

2. Biochemical genetics of resistance to MGBG in tobacco: Mutants that alter SAM decarboxylase or polyamine ratios, and floral morphology

   • Russell L. Malmberg
   • Debra J. Rose

   OriginalPaper Pages: 9 - 14

3. Transposon-induced symbiotic mutants of Bradyrhizobium japonicum: Isolation of two gene regions essential for nodulation

   • Jae-Seong So
   • L. M. Hodgson
   • Gary Stacey

   OriginalPaper Pages: 15 - 23

4. The use of operon fusions in studies of the heat-shock response: Effects of altered sigma 32 on heat-shock promoter function in Escherichia coli

   • Ryoji Yano
   • Mutsuo Imai
   • Takashi Yura

   OriginalPaper Pages: 24 - 28

5. Production of virus-like particles by the transposable genetic element, copia, of Drosophila melanogaster

   • Tadashi Miyake
   • Naomi Mae
   • Shunzo Kondo

   OriginalPaper Pages: 29 - 37

6. Genetic and molecular mapping of the pma1 mutation conferring vanadate resistance to the plasma membrane ATPase from Saccharomyces cerevisiae

   • Stanislaw Ulaszewski
   • Elisabetta Balzi
   • André Goffeau

   OriginalPaper Pages: 38 - 46

7. Interaction between the Tam1 and Tam2 transposable elements of Antirrhinum majus

   • Reinhard Hehl
   • Hans Sommer
   • Heinz Saedler

   OriginalPaper Pages: 47 - 53

8. De novo activation of the transposable element Tam2 of Antirrhinum majus

   • Andrew Hudson
   • Rosemary Carpenter
   • Enrico S. Coen

   OriginalPaper Pages: 54 - 59

9. The Inc3B determinant of plasmid pT181

   • Serban Iordanescu

   OriginalPaper Pages: 60 - 67

10. Catalase has only a minor role in protection against near-ultraviolet radiation damage in bacteria

    • A. Eisenstark
    • G. Perrot

    OriginalPaper Pages: 68 - 72

11. Expression of heterologous genes for wall teichoic acid in Bacillus subtilis 168

    • Dimitri Karamata
    • Harold M. Pooley
    • Michel Monod

    OriginalPaper Pages: 73 - 81

12. Comparison of genetic behaviour of the transposable element Tam3 at two unlinked pigment loci in Antirrhinum majus

    • Rosemary Carpenter
    • Cathie Martin
    • Enrico S. Coen

    OriginalPaper Pages: 82 - 89

13. Structural and transcriptional analysis of DNA sequences flanking genes that encode 19 kilodalton zeins

    • Alan L. Kriz
    • Rebecca S. Boston
    • Brian A. Larkins

    OriginalPaper Pages: 90 - 98

14. Transposon Tn5 mediated gene transfer into plants

    • Csaba Koncz
    • Zsuzsanna Koncz-Kalman
    • Jeff Schell

    OriginalPaper Pages: 99 - 105

15. Nuclear and mitochondrial revertants of a mitochondrial mutant with a defect in the ATP synthetase complex

    • Laura J. F. Hefta
    • Alfred S. Lewin
    • Monique Bolotin-Fukuhara

    OriginalPaper Pages: 106 - 113

16. Promoter switching during development and the termination site of the σ⁴³ operon of Bacillus subtilis

    • Lin-Fa Wang
    • Roy H. Doi

    OriginalPaper Pages: 114 - 119

17. OmpR and EnvZ are pleiotropic regulatory proteins: Positive regulation of the tripeptide permease (tppB) of Salmonella typhimurium

    • M. M. Gibson
    • E. M. Ellis
    • C. F. Higgins

    OriginalPaper Pages: 120 - 129

18. Unstable visible mutations induced in Drosophila melanogaster by injections of oncogenic virus DNA into the polar plasm of early embryos

    • Karlen G. Gazaryan
    • Sergei D. Nabirochkin
    • Victor A. Goltzoy

    OriginalPaper Pages: 130 - 141

19. Characterization of two genes, ARGRI and ARGRIII required for specific regulation of arginine metabolism in yeast

    • Evelyne Dubois
    • Josiane Bercy
    • Francine Messenguy

    OriginalPaper Pages: 142 - 148

20. Sequence of psi, a gene on the symbiotic plasmid of Rhizobium phaseoli which inhibits exopolysaccharide synthesis and nodulation and demonstration that its transcription is inhibited by psr, another gene on the symbiotic plasmid

    • D. Borthakur
    • A. W. B. Johnston

    OriginalPaper Pages: 149 - 154

21. Identification of two classes of Rhizobium phaseoli genes required for melanin synthesis, one of which is required for nitrogen fixation and activates the transcription of the other

    • D. Borthakur
    • J. W. Lamb
    • A. W. B. Johnston

    OriginalPaper Pages: 155 - 160

22. Characterisation of an autonomously replicating sequence from the fission yeast Schizosaccharomyces pombe

    • Leland H. Johnston
    • David G. Barker

    OriginalPaper Pages: 161 - 164

23. Molecular genetics of met17 and met25 mutants of Saccharomyces cerevisiae: Intragenic complementation between mutations of a single structural gene

    • Richard D'Andrea
    • Yolande Surdin-Kerjan
    • Hélène Cherest

    OriginalPaper Pages: 165 - 170

24. High meiotic stability of a foreign gene introduced into tobacco by Agrobacterium-mediated transformation

    • Andreas J. Müller
    • Ralf R. Mendel
    • Dirk Inzé

    OriginalPaper Pages: 171 - 175

25. Chromosomal mapping of tRNA genes from Dictyostelium discoideum

    • Theodor Dingermann
    • Elfriede Amon
    • Dennis L. Welker

    OriginalPaper Pages: 176 - 187

26. Erratum

    • M. Brombach
    • C. O. Gualerzi
    • C. L. Pon

    Erratum Pages: 188 - 188