1. The secY-rpmJ region of the spc ribosomal protein operon in Escherichia coli: Structural alterations affecting secY expression

   • Chiharu Ueguchi
   • Michael Wittekind
   • Koreaki Ito

   OriginalPaper Pages: 1 - 5

2. Efficient transformation of Arabidopsis thaliana using direct gene transfer to protoplasts

   • Brigitte Damm
   • Renate Schmidt
   • Lothar Willmitzer

   OriginalPaper Pages: 6 - 12

3. Ribonucleotide reductase: A determinant of 5-bromodeoxyuridine mutagenesis in phage T4

   • R. Geoffrey Sargent
   • Jiuping Ji
   • Christopher K. Mathews

   OriginalPaper Pages: 13 - 19

4. Mutagenesis by aflatoxin in M13 DNA: Base-substitution mechanisms and the origin of strand bias

   • Sudhir Sahasrabudhe
   • Kumar Sambamurti
   • M. Zafri Humayun

   OriginalPaper Pages: 20 - 25

5. Cloning of a gene involved in cellulose biosynthesis in Acetobacter xylinum: Complementation of cellulose-negative mutants by the UDPG pyrophosphorylase structural gene

   • Svein Valla
   • Dag Hugo Coucheron
   • Moshe Benziman

   OriginalPaper Pages: 26 - 30

6. Mode of expression of the positive regulatory genes PHO2 and PHO4 of the phosphatase regulon in Saccharomyces cerevisiae

   • Kazuya Yoshida
   • Zyunrou Kuromitsu
   • Yasuji Oshima

   OriginalPaper Pages: 31 - 39

7. Function of the PHO regulatory genes for repressible acid phosphatase synthesis in Saccharomyces cerevisiae

   • Kazuva Yoshida
   • Nobuo Ogawa
   • Yasuji Oshima

   OriginalPaper Pages: 40 - 46

8. Isolation of Hem3 mutants from Candida albicans by sequential gene disruption

   • Myra B. Kurtz
   • Jean Marrinan

   OriginalPaper Pages: 47 - 52

9. Induced transposition of Ds by a stable Ac in crosses of transgenic tobacco plants

   • Reinhard Hehl
   • Barbara Baker

   OriginalPaper Pages: 53 - 59

10. Structure of the multigene family of MAL loci in Saccharomyces

    • Thomas H. C. Chow
    • Paul Sollitti
    • Julius Marmur

    OriginalPaper Pages: 60 - 69

11. Nucleotide sequence of the Clostridium thermocellum bglB gene encoding thermostable β-glucosidase B: Homology to fungal β-glucosidases

    • Folke Gräbnitz
    • Karl P. Rücknagel
    • Walter L. Staudenhauer

    OriginalPaper Pages: 70 - 76

12. The plastid rpoA gene encoding a protein homologous to the bacterial RNA polymerase alpha subunit is expressed in pea chloroplasts

    • Saul Purton
    • John C. Gray

    OriginalPaper Pages: 77 - 84

13. The Escherichia coli dam gene is expressed as a distal gene of a new operon

    • Piotr Jonczyk
    • Russell Hines
    • Douglas W. Smith

    OriginalPaper Pages: 85 - 96

14. Characterization of the str operon genes from Spirulina platensis and their evolutionary relationship to those of other prokaryotes

    • F. R. Buttarelli
    • R. A. Calogero
    • C. L. Pon

    OriginalPaper Pages: 97 - 104

15. Identification and characterization of the genes encoding three structural proteins of the Thermoproteus tenax virus TTV1

    • Horst Neumann
    • Volker Schwass
    • Wolfram Zillig

    OriginalPaper Pages: 105 - 110

16. Isolation and characterization of a conditional replication mutant of the antibiotic resistance factor R1 affected in the gene of the replication protein RepA

    • Sagrario Ortega
    • Gertrudis de Torrontegui
    • Ramón Díaz

    OriginalPaper Pages: 111 - 117

17. Cloning and molecular characterisation of the amdR controlled gatA gene of Aspergillus nidulans

    • Imogen B. Richardson
    • Susan K. Hurley
    • Michael J. Hynes

    OriginalPaper Pages: 118 - 125

18. Isolation and characterization of the phosphoglucose isomerase gene from Escherichia coli

    • Byron E. Froman
    • Robert C. Tait
    • L. D. Gottlieb

    OriginalPaper Pages: 126 - 131

19. The linear mitochondrial plasmid pClK1 of the phytopathogenic fungus Claviceps purpurea may code for a DNA polymerase and an RNA polymerase

    • Birgitt Oeser
    • Paul Tudzynski

    OriginalPaper Pages: 132 - 140

20. Isolation and characterisation of transposon-induced mutants of Erwinia carotovora subsp. atroseptica exhibiting reduced virulence

    • Jay C. D. Hinton
    • Julie M. Sidebotham
    • George P. C. Salmond

    OriginalPaper Pages: 141 - 148

21. Structure of the HOM2 gene of Saccharomyces cerevisiae and regulation of its expression

    • Dominique Thomas
    • Yolande Surdin-Kerjan

    OriginalPaper Pages: 149 - 154

22. The amyloplast-targeting transit peptide of the waxy protein of maize also mediates protein transport in vitro into chloroplasts

    • Ralf Bernd Klösgen
    • Heinz Saedler
    • Jacques-Henry Weil

    OriginalPaper Pages: 155 - 161

23. In vitro and in vivo studies on the mitochondrial import of CBS1, a translational activator of cytochrome b in yeast

    • Andreas Körte
    • Vera Forsbach
    • Gerhard Rödel

    OriginalPaper Pages: 162 - 167

24. Mitochondrial introns aI1 and/or aI2 are needed for the in vivo deletion of intervening sequences

    • Estelle Levra-Juillet
    • Annick Boulet
    • Gérard Faye

    OriginalPaper Pages: 168 - 171

25. The maize En-1/Spm element transposes in potato

    • Monika Frey
    • Stylianos M. Tavantzis
    • Heinz Saedler

    OriginalPaper Pages: 172 - 177

26. Escherichia coli parA is an allele of the gyrB gene

    • Jun-ichi Kato
    • Yukinobu Nishimura
    • Hideho Suzuki

    Short Communications Pages: 178 - 181

27. Cloning and nucleotide sequence of the Salmonella typhimurium LT2 gnd gene and its homology with the corresponding sequence of Escherichia coli K12

    • Peter Reeves
    • Gordon Stevenson

    Short Communications Pages: 182 - 184