1. Identification of several chloroplast DNA genes which code for the large subunit of Nicotiana Fraction I proteins

   • Katsuhiro Sakano
   • S. D. Kung
   • S. G. Wildman

   OriginalPaper Pages: 91 - 97

2. Genetic study of prophage excision with a temperature inducible mutant of Mu-1

   • Walter Schröder
   • Pieter van de Putte

   OriginalPaper Pages: 99 - 104

3. A colicin-tolerant mutant of Escherichia coli with reduced levels of cyclic AMP and the regulation of lambdoid phage lysogeny

   • Barry Rolfe
   • Ernest H. Creaser
   • Jozef Schell

   OriginalPaper Pages: 105 - 112

4. A nuclear mutation affecting structure and function of mitochondria in Paramecium

   • Annie Sainsard
   • Maurice Claisse
   • Monique Balméfrézol

   OriginalPaper Pages: 113 - 125

5. The selection for mutants in Drosophila melanogaster hypersensitive to α-methyl dopa, a dopa decarboxylase inhibitor

   • John C. Sparrow
   • Theodore R. F. Wright

   OriginalPaper Pages: 127 - 141

6. Phenotypic properties of Bacillus subtilis mutants defective in recombination and repair functions

   • Igor Samojlenko
   • Nigel Harford
   • Max Mergeay

   OriginalPaper Pages: 143 - 152

7. An Escherichia coli K12 mutant apparently carrying two autonomous F-prime factors

   • Felipe San Blas
   • Russell Thompson
   • Paul Broda

   OriginalPaper Pages: 153 - 163

8. Specific recognition in gene conversion

   • E. J. Schlaeger
   • H. Ch. Spatz

   OriginalPaper Pages: 165 - 175

9. Morphological mutants of Escherichia coli K12

   • Annie Rodolakis
   • Francine Casse
   • Jiri Starka

   Short Communication Pages: 177 - 181

10. Limitation of transcription by puromycin or chloramphenicol in DNA-coupled systems from Escherichia coli

    • K. Cremer
    • F. Imamoto
    • D. Schlessinger

    Short Communication Pages: 183 - 188