Genetic studies on site-specific endodeoxyribonucleases in Bacillus subtilis: Multiple modification and restriction systems in transformants of Bacillus subtilis 168 Shukuko IkawaTakehiko ShibataHiuga Saito OriginalPaper Pages: 359 - 368
Mechanism of homospecific DNA uptake in Haemophilus influenzae transformation Robert A. DeichHamilton O. Smith OriginalPaper Pages: 369 - 374
Mutations within an intron and its flanking sites: Patterns of novel polypeptides generated by mutants in one segment of the cob-box region of yeast mitochondrial DNA Maurice L. ClaissePiotr P. SlonimskiHenry R. Mahler OriginalPaper Pages: 375 - 387
Physical map of Aspergillus nidulans mitochondrial genes coding for ribosomal RNA: An intervening sequence in the large rRNA cistron Colin M. LazarusHeinrich LünsdorfHans Küntzel OriginalPaper Pages: 389 - 397
Genetic analysis of bacteriophage P4 using P4-plasmid ColE1 hybrids Michael KahnDavid OwRichard Calendar OriginalPaper Pages: 399 - 412
Site-specific deletion at the replication origin of the antibiotic resistance factor R1 Regine KollekWolfgang OertelWerner Goebel OriginalPaper Pages: 413 - 419
Characterization of nitrate reductase-deficient barley mutants A. KleinhofsT. KuoR. L. Warner OriginalPaper Pages: 421 - 425
The construction and characterisation of plasmid vectors suitable for the expression of all DNA phases under the control of the E. coli tryptophan promoter William TaconNorman CareySpencer Emtage OriginalPaper Pages: 427 - 438
“Two out of three” codon reading leading to mistranslation in vivo Jack ParkerJames D. Friesen OriginalPaper Pages: 439 - 445
Induction of mutations in specific genes of bacteriophage T4 using cloned restriction fragments and marker rescue T. A. VölkerM. K. Showe OriginalPaper Pages: 447 - 452
A jumping gene in Streptomyces coelicolor A3(2) Giuseppe SermontiLuisa LanfaloniMaria Rita Micheli OriginalPaper Pages: 453 - 458
Molecular cloning of heterologous chromosomal DNA by recombination between a plasmid vector and a homologous resident plasmid in Bacillus subtilis Thomas GryczanSara ContenteDavid Dubnau OriginalPaper Pages: 459 - 467
Developmental mutants of Anabaena doliolum defective in repair of UV-damage D. N. TiwariC. B. Singh OriginalPaper Pages: 469 - 475
Influence of plasmids carrying the lexA gene on DNA repair and related processes in Escherichia coli K-12 David W. MountJohn W. LittleSusan H. Edmiston OriginalPaper Pages: 477 - 483
Analysis of rpsD mutations in Escherichia coli Mats O. OlssonLeif A. Isaksson OriginalPaper Pages: 485 - 491
Control of plasmid R6K copy numbers in isogenic rep + and rep Escherichia coli strains Melanie R. OttenMiroslawa WlodarcyzkRalph Seelke OriginalPaper Pages: 493 - 499
Properties of the nonlethal recombinational repair deficient mutants of bacteriophage T4 Robert J. MelamedeSusan S. Wallace OriginalPaper Pages: 501 - 509
Physical mapping of Bacillus subtilis phage ρ14 cloning vehicles: Heteroduplex and restriction enzyme analyses James M. KroyerJohn B. PerkinsDonald H. Dean OriginalPaper Pages: 511 - 517
Single-stranded conjugation in Escherichia coli K-12 S. E. BreslerI. Yu. GoryshinV. A. Lanzov OriginalPaper Pages: 519 - 525
Cloning of DNA of the rpoBC operon from the chromosome of Escherichia coli K12 Andrew NewmanRichard S. Hayward OriginalPaper Pages: 527 - 533
Identification of a positive regulatory protein in Escherichia coli: the product of the cysB gene D. M. MascarenhasM. D. Yudkin OriginalPaper Pages: 535 - 539
A new mutant of the yeast Saccharomyces cerevisiae defective in excision of UV-damaged sites in DNA M. L. BekkerO. K. KaboevS. V. Koval'tsova Short Communication Pages: 541 - 544