In vitro modification and restriction of phage Φ105C DNA with Bacillus subtilis N cell-free extract Takehiko ShibataTadahiko Ando OriginalPaper Pages: 269 - 279
Accumulation of replicating bacterial plasmid DNA during thymine limitation or hydroxyurea treatment Dan PerlmanRobert H. Rownd OriginalPaper Pages: 281 - 291
The separation of viable rye microspores from mixed populations and their development in culture Gerhard WenzelFranz HoffmannEmrys Thomas OriginalPaper Pages: 293 - 297
Ribosomal proteins of Bacillus subtilis vegetative and sporulating cells Sibajyoti GuhaHans E. RothKnud Nierhaus OriginalPaper Pages: 299 - 307
A mammalian spot test: Induction of genetic alterations in pigment cells of mouse embryos with X-rays and chemical mutagens Rudolf Fahrig OriginalPaper Pages: 309 - 314
Non-enzymatic translocation in ribosomes from streptomycin-resistant mutants of Escherichia coli L. S. AsatryanA. S. Spirin OriginalPaper Pages: 315 - 321
Conjugational behaviour of N plasmids in Escherichia coli K12 Sheena DennisonS. Baumberg OriginalPaper Pages: 323 - 331
9-Aminoacridine mutagenesis of bacteriophage T4 intracellular DNA S. AltmanV. Warner OriginalPaper Pages: 333 - 343
Agrocin 84 sensitivity: A plasmid determined property in Agrobacterium tumefaciens G. EnglerM. HolstersR. Schilperoort OriginalPaper Pages: 345 - 349
Enhanced uptake of donor DNA by Ca2+ treated Escherichia coli cells A. G. SabelnikovA. V. AvdeevaB. N. Ilyashenko OriginalPaper Pages: 351 - 358
A method for isolating nonsense suppressors in enterobacteriaceae using an amber mutant of the drug resistance factor R1 Christina KennedyIan Crowlesmith Short Communication Pages: 359 - 362