1. Mutagenesis after exposure of bacteria to ultraviolet light and delayed photoreversal

   • Bryn A. Bridges

   Mini-Review Pages: 331 - 336

2. CfT-I: an LTR-retrotransposon in Cladosporium fulvum, a fungal pathogen of tomato

   • Mark T. McHale
   • Ian N. Roberts
   • Richard P. Oliver

   Original Articles Pages: 337 - 347

3. Survival of phage M13 with uracils on one or both DNA strands

   • Stefan Schünemann
   • Dietrich Schulte-Frohlinde

   Original Articles Pages: 348 - 354

4. Identification of a site required for DNA replication fork blocking activity in the rRNA gene cluster in Saccharomyces cerevisiae

   • Takehiko Kobayashi
   • Masumi Hidaka
   • Takashi Horiuchi

   Original Articles Pages: 355 - 362

5. A new member of the adenylate kinase family in yeast: PAK3 is highly homologous to mammalian AK3 and is targeted to mitochondria

   • Roland Schricker
   • Viktor Magdolen
   • Wolfhard Bandlow

   Original Articles Pages: 363 - 371

6. DNA sequence analysis of the lamB gene from Klebsiella pneumoniae: implications for the topology and the pore functions in maltoporin

   • Catherine Werts
   • Alain Charbit
   • Maurice Hofnung

   Original Articles Pages: 372 - 378

7. Regulated transcription of the maize Bronze-2 promoter in electroporated protoplasts requires the C1 and R gene products

   • John P. Bodeau
   • Virginia Walbot

   Original Articles Pages: 379 - 387

8. Mechanism of Ds1 excision from the genome of maize streak virus

   • Wen-Hui Shen
   • Sampa Das
   • Barbara Hohn

   Original Articles Pages: 388 - 394

9. Immunity and resistance to the KP6 toxin of Ustilago maydis

   • Aliza Finkler
   • Tsafrira Peery
   • igal Koltin

   Original Articles Pages: 395 - 403

10. Cloning and expression of a member of the Aspergillus niger gene family encoding α-galactosidase

    • Irma F. den Herder
    • Ana M. Mateo Rosell
    • Cees A. M. J. J. van den Hondel

    Original Articles Pages: 404 - 410

11. A maize cryptic Ac-homologous sequence derived from an Activator transposable element does not transpose

    • Jun-Yi Len
    • Y. Henry Sun
    • Jychian Chen

    Original Articles Pages: 411 - 418

12. Analysis of an upstream regulatory sequence required for activation of the regulatory gene xylS in xylene metabolism directed by the TOL plasmid of Pseudomonas putida

    • Manabu Gomada
    • Sachiye Inouye
    • Teruko Nakazawa

    Original Articles Pages: 419 - 426

13. Herbicide resistance due to amplification of a mutant acetohydroxyacid synthase gene

    • Christian T. Harms
    • Susan L. Armour
    • George C. Jen

    Original Articles Pages: 427 - 435

14. The switching gene swi6 affects recombination and gene expression in the mating-type region of Schizosaccharomyces pombe

    • Axel Lorentz
    • Lutz Heim
    • Henning Schmidt

    Original Articles Pages: 436 - 442

15. Escherichia coli umuDC mutants: DNA sequence alterations and UmuD cleavage

    • Walter H. Koch
    • Don G. Ennis
    • Roger Woodgate

    Original Articles Pages: 443 - 448

16. Development of an efficient two-element transposon tagging system in Arabidopsis thaliana

    • Ian Bancroft
    • Anuj M. Bhatt
    • Caroline Dean

    Original Articles Pages: 449 - 461

17. The integrated state of the rolling-circle plasmid pTB913 in the composite Bacillus plasmid pTB19

    • Linda Oskam
    • Dirk J. Hillenga
    • Sierd Bron

    Original Articles Pages: 462 - 468

18. Molecular characterisation of inter and intra-specific somatic hybrids of potato using randomly amplified polymorphic DNA (RAPD) markers

    • Eileen Baird
    • Stephanie Cooper-Bland
    • Wayne Powell

    Original Articles Pages: 469 - 475

19. Nucleotide sequence of a carboxyphosphonoenolpyruvate phosphonomutase gene isolated from a bialaphos-producing organism, Streptomyces hygroscopicus, and its expression in Streptomyces lividans

    • Tomomi Hidaka
    • Makoto Hidaka
    • Haruo Seto

    Short Communications Pages: 476 - 478

20. Transfer of defined numbers of chloroplasts into albino protoplasts by subprotoplast/protoplast microfusion: chloroplasts can be “cloned”, by using suitable plastome combinations or selective pressure

    • Lutz Eigel
    • Hans-Ulrich Koop

    Short Communications Pages: 479 - 482

21. Riboflavin operon of Bacillus subtilis: unusual symmetric arrangement of the regulatory region

    • Yuri V. Kil
    • Vladimir N. Mironovi
    • Daniel A. Perumov

    Short Communications Pages: 483 - 486

22. The two genes encoding protein synthesis initiation factor eIF-5A in Saccharomyces cerevisiae are members of a duplicated gene cluster

    • Hyun Ah Kang
    • Hubert G. Schwelberger
    • John W. B. Hershey

    Short Communications Pages: 487 - 490

23. A new oxygen-regulated operon in Escherichia coli comprises the genes for a putative third cytochrome oxidase and for pH 2.5 acid phosphatase (appA)

    • Janie Dassa
    • Hafida Fsihi
    • Paul L. Bouquet

    Erratum Pages: 491 - 491

24. Nuleotide sequence of the celA gene encoding a cellodextrinase of Ruminococcus flavefaciens FD-1

    • Wenyen Wang
    • Jennifer A. Thomson

    Erratum Pages: 492 - 492