1. Nitrate reductase of the ascomycetous fungus, Leptosphaeria maculans: gene sequence and chromosomal location

   • Robin S. B. Williams
   • Meryl A. Davis
   • Barbara J. Howlett

   Original Paper Pages: 1 - 8

2. Interplasmid transposition of Drasopbila hobo elements in non-drosophilid insects

   • David A. O'Brochta
   • William D. Warren
   • Peter W. Atkinson

   Original Paper Pages: 9 - 14

3. The rolC promoter of Agrobacterium rhizogenes Ri plasmid is activated by sucrose in transgenic tobacco plants

   • Ryusuke Yokoyama
   • Tetsuro Hirose
   • Hirofumi Uchimiya

   Original Paper Pages: 15 - 22

4. Heterospecific cloning of Arabidopsis thaliana cDNAs by direct complementation of pyrimidine auxotrophic mutants of Saccharomyces cerevisiae. I. Cloning and sequence analysis of two cDNAs catalysing the second, fifth and sixth steps of the de novo pyrimidine biosynthesis pathway

   • Fahd Nasr
   • Nathalie Bertauche
   • François Lacroute

   Original Paper Pages: 23 - 32

5. The 42.5 kDa subunit of the NADH: ubiquinone oxidoreductase (complex I) in higher plants is encoded by the mitochondrial nad7 gene

   • L. Gäbler
   • U. Herz
   • W. Schröder

   Original Paper Pages: 33 - 40

6. Control of Co1E2 plasmid replication: negative regulation of the expression of the plasmid-specified initiator protein, Rep, at a posttranscriptional step

   • H. Yasueda
   • S. Takechi
   • T. Itoh

   Original Paper Pages: 41 - 48

7. Control of Co1E2 plasmid replication: regulation of rep expression by a plasmid-coded antisense RNA

   • S. Takechi
   • H. Yasueda
   • T. Itoh

   Original Paper Pages: 49 - 56

8. Molecular cloning of a cysteine synthase cDNA from Citrullus vulgaris (watermelon) by genetic complementation in an Escherichia coli Cys⁻ auxotroph

   • M. Noji
   • I. Murakoshi
   • K. Saito

   Original Paper Pages: 57 - 66

9. RNA editing of tRNA^Phe and tRNA^Cys in mitochondria of Oenothera berteriana is initiated in precursor molecules

   • Stefan Binder
   • Anita Marchfelder
   • Axel Brennicke

   Original Paper Pages: 67 - 74

10. The complete karyotype of Aspergilius niger: the use of introduced electrophoretic mobility variation of chromosomes for gene assignment studies

    • Jan C. Verdoes
    • M. Regina Calil
    • Cees A. M. J. J. van den Hondel

    Original Paper Pages: 75 - 80

11. The NADH dehydrogenase subunit 7 gene is interrupted by four group II introns in the wheat mitochondrial genome

    • Linda Bonen
    • Karen Williams
    • Caroline Wood

    Original Paper Pages: 81 - 89

12. Cerulenin-resistant mutants of Saccharomyces cerevisiae with an altered fatty acid synthase gene

    • Junji Inokoshi
    • Hiroshi Tomoda
    • Satoshi Ōmura

    Original Paper Pages: 90 - 96

13. Molecular characterization of thirteen gyrA mutations conferring nalidixic acid resistance in Bacillus subtilis

    • N. Munakata
    • F. Morohoshi
    • K. Hayashi

    Original Paper Pages: 97 - 103

14. Sequence variability of the 40-kDa outer membrane proteins of Fusobacterium nucleatum strains and a model for the topology of the proteins

    • A. I. Bolstad
    • H. B. Jensen
    • J. Tommassen

    Short Communication Pages: 104 - 110