1. The mitochondrial genome of Chlamydomonas

   • Nancy J. Alexander
   • Nicholas W. Gillham
   • John E. Boynton

   OriginalPaper Pages: 275 - 290

2. Detection of pyrimidine dimers in hydrolysates of yeast DNA by high voltage paper electrophoresis

   • H. C. Birnboim
   • A. Nasim

   OriginalPaper Pages: 291 - 296

3. Mutations in the CI gene of lambda bacteriophage which retain immunity and confer a rex ^- phenotype

   • S. Nasi
   • L. Paolozzi
   • E. Calef

   OriginalPaper Pages: 297 - 305

4. Dominance relations between isovitexin: 7-0-glycosyltransferase alleles in Melandrium

   • J. van Brederode
   • G. H. van Wielink-Hillebrands
   • G. van Nigtevecht

   OriginalPaper Pages: 307 - 314

5. Reference mutations for the β subunit of RNA polymerase

   • D. H. Boyd
   • W. Zillig
   • F. J. G. Scaife

   OriginalPaper Pages: 315 - 320

6. Mapping of neamine resistance: Identification of two genetic loci, nea A and nea B

   • Michael Cannon
   • Teresa Cabezon
   • Alex Bollen

   OriginalPaper Pages: 321 - 326

7. Studies of mutator properties in amber alleles of gene 43 of bacteriophage T4B

   • S. I. Alikhanian
   • E. Piruzian
   • N. S. Kobets

   OriginalPaper Pages: 327 - 331

8. λ Site-specific recombination: Local transcription and an inhibitor specified by the b2 region

   • John F. Lehman

   OriginalPaper Pages: 333 - 344

9. Expression of T6 sensitivity in Escherichia coli K12 F^- bacteria after mating with HFR cells

   • J. Leal
   • H. Marcovich

   OriginalPaper Pages: 345 - 359

10. Mechanism of competence in the transformation of streptococci of serological group H

    • Piotr Cegłowski
    • Władysław T. Dobrzański

    OriginalPaper Pages: 361 - 372