1. Far-red light-insensitive, phytochrome A-deficient mutants of tomato

   • A. van Tuinen
   • L. H. J. Kerckhoffs
   • M. Koornneef

   Original Paper Pages: 133 - 141

2. Structure and expression of the gene encoding ribosomal protein S1 from the cyanobacterium Synechococcus sp. strain PCC 6301: striking sequence similarity to the chloroplast ribosomal protein CS1

   • Mamoru Sugita
   • Chieko Sugita
   • Masahiro Sugiura

   Original Paper Pages: 142 - 147

3. Molecular cloning of mei-41, a gene that influences both somatic and germline chromosome metabolism of Drosophila melanogaster

   • Satnam S. Banga
   • Akihiko H. Yamamoto
   • James B. Boyd

   Original Paper Pages: 148 - 155

4. Biosynthesis of cytochrome f in Chiamydomonas reinhardtii: analysis of the pathway in gabaculine-treated cells and in the heme attachment mutant B6

   • Gregg Howe
   • Laurens Mets
   • Sabeeha Merchant

   Original Paper Pages: 156 - 165

5. orf250 encodes a second subunit of an ABC-type heme transporter in Oenothera mitochondria

   • Waltraut Jekabsons
   • Wolfgang Schuster

   Original Paper Pages: 166 - 173

6. Altered SOS induction associated with mutations in recF, recO and recR

   • Matthew C. Whitby
   • Robert G. Lloyd

   Original Paper Pages: 174 - 179

7. The possible roles of residues 79 and 80 of the Trp repressor from Escherichia coli K-12 in trp operator recognition

   • Qagatay Günes
   • Detlev Staacke
   • Benno Müller-Hill

   Original Paper Pages: 180 - 195

8. Gene inactivation in the plant pathogen Glomerella cingulata: three strategies for the disruption of the pectin lyase gene pnIA

   • Joanna K. Bowen
   • Matthew D. Templeton
   • Erik H. A. Rikkerink

   Original Paper Pages: 196 - 205

9. Changes in the chromosomal insertion pattern of the copia element during the process of making chromosomes homozygous in Drosophila melanogaster

   • Maria P. Garcia Guerreiro
   • Christian Biémont

   Original Paper Pages: 206 - 211

10. Suppressors of thermosensitive mutations in the DNA polymerase δ gene of Saccharomyces cerevisiae

    • Loic Giot
    • Michel Simon
    • Gerard Faye

    Original Paper Pages: 212 - 222

11. Yeast proteins can activate expression through regulatory sequences of the amdS gene of Aspergillus nidulans

    • Nathalie Bonnefoy
    • Jane Copsey
    • Mervl A. Davis

    Original Paper Pages: 223 - 227

12. Binding of integration host factor (IHF) to the Escherichia coli sodA gene and its role in the regulation of a sodA-lacZ fusion gene

    • David G. Presutti
    • Hosni M. Hassan

    Original Paper Pages: 228 - 235

13. Cloning and expression of a cDNA copy of the viral K₂₈ killer toxin gene in yeast

    • Manfred J. Schmitt

    Original Paper Pages: 236 - 246

14. Evidence that two zinc fingers in the methionine aminopeptidase from Saccharomyces cerevisiae are important for normal growth

    • Songlan Zuo
    • Qi Guo
    • Yie-Hwa Chang

    Original Paper Pages: 247 - 253

15. recO and recR mutations delay induction of the SOS response in Escherichia coli

    • Shrikanth Hegde
    • Steven J. Sandler
    • Murty V. V. S. Madiraju

    Original Paper Pages: 254 - 258

16. Effects of N-terminal deletions of the Escherichia coli protein Fis on growth rate, tRNA ₂ ^Ser expression and cell morphology

    • Liesbeth Spaeny-Dekking
    • Lars Nilsson
    • Nora Goosen

    Original Paper Pages: 259 - 265

17. Tissue-specific and developmental regulation of a gene encoding a low molecular weight sulfur-rich protein in soybean seeds

    • Yeonhee Choi
    • Ji Hoon Ahn
    • Jong Seob Lee

    Short Communication Pages: 266 - 268