1. The positive and negative cis-acting elements for methanol regulation in the Pichia pastoris AOX2 gene

   • Hideyuki Ohi
   • Masami Miura
   • Takao Ohmura

   Original Paper Pages: 489 - 499

2. Hydrogen peroxide induces G:C to TA and G:C to C:G transversions in the supF gene of Escherichia coli

   • Susumu Akasaka
   • Kazuo Yamamoto

   Original Paper Pages: 500 - 505

3. A gene from the fungal plant pathogen Nectria haematococca that encodes the phytoalexin-detoxifying enzyme pisatin demethylase defines a new cytochrome P450 family

   • Alan P. Maloney
   • Hans D. VanEtten

   Original Paper Pages: 506 - 514

4. Isolation of a gene (pbsC) required for siderophore biosynthesis in fluorescent Pseudomonas sp. strain M114

   • Claire Adams
   • David N. Dowling
   • Fergal O'Gara

   Original Paper Pages: 515 - 524

5. Structure of the 5′ upstream region and the regulation of the rpoS gene of Escherichia coli

   • Y. Takayanagi
   • K. Tanaka
   • H. Takahashi

   Original Paper Pages: 525 - 531

6. Prevalence and distribution of introns in non-ribosomal protein genes of yeast

   • Jose R. Rodriguez-Medina
   • Brian C. Rymond

   Original Paper Pages: 532 - 539

7. Ogura cytoplasmic male-sterility (CMS)-associated orf138 is translated into a mitochondrial membrane polypeptide in male-sterile Brassica cybrids

   • Mathilde Grelon
   • Françoise Budar
   • Georges Pelletier

   Original Paper Pages: 540 - 547

8. Transcriptional activation of a cycloheximide-inducible gene encoding laccase is mediated by cpc-1, the cross-pathway control gene, in Neurospora crassa

   • Hisashi Tamaru
   • Takashi Nishida
   • Hirokazu Inoue

   Original Paper Pages: 548 - 554

9. Drosophila GABAergic systems II. Mutational analysis of chromosomal segment 64AB, a region containing the glutamic acid decarboxylase gene

   • Shankar J. Kulkarni
   • Laurel M. Newby
   • F. Rob Jackson

   Original Paper Pages: 555 - 564

10. Identification and characterization of PilS, an essential regulator of pilin expression in Pseudomonas aeruginosa

    • Jessica M. Boyd
    • Tetsuro Koga
    • Stephen Lory

    Original Paper Pages: 565 - 574

11. MBR1 and MBR3, two related yeast genes that can suppress the growth defect of hap2, hap3 and hap4 mutants

    • Bertrand Daignan-Fornier
    • Cam Chi Nguyen
    • Monique Bolotin-Fukuhara

    Original Paper Pages: 575 - 583

12. Different UmuC requirements for generation of different kinds of UV-induced mutations in Escherichia coli

    • Adrianna Nowicka
    • Magdalena Kanabus
    • Zygmunt Ciesla

    Original Paper Pages: 584 - 592

13. Cloning and analysis of DNA sequences from Streptomyces hygroscopicus encoding geldanamycin biosynthesis

    • I. W. Allen
    • D. A. Ritchie

    Original Paper Pages: 593 - 599

14. The smallest known eukaryotic genomes encode a protein gene: towards an understanding of nucleomorph functions

    • C. J. B. Hofmann
    • S. A. Rensing
    • U. -G. Maier

    Short Communication Pages: 600 - 604