DNA sequences homologous to the T DNA region of Agrobacterium tumefaciens are present in diverse Rhizobium species R. G. HadleyA. A. Szalay OriginalPaper Pages: 361 - 369
Structural variability in the genome of phage ϕH of Halobacterium halobium Heinke SchnabelEdgar SchrammWolfram Zillig OriginalPaper Pages: 370 - 377
Correction of nitrate reductase defect in auxotrophic plant cells through protoplast-mediated intergeneric gene transfers Prem P. GuptaManju GuptaOtto Schieder OriginalPaper Pages: 378 - 383
Ribosome structure, maturation of ribosomal RNA and drug sensitivity in temperature-sensitive mutants of Saccharomyces cerevisiae Linda R. GritzJudith A. MitlinJulian E. Davies OriginalPaper Pages: 384 - 391
Molecular cloning of the ribosomal RNA genes of the photosynthetic bacterium Rhodopseudomonas capsulata Pak-Lam YuBarbara HohnGerhart Drews OriginalPaper Pages: 392 - 398
Genetic studies on the β subunit of Escherichia coli RNA polymerase Vishvanath NeneRobert E. Glass OriginalPaper Pages: 399 - 404
Genetic studies on the β subunit of Escherichia coli RNA polymerase Vishvanath NeneRobert E. Glass OriginalPaper Pages: 405 - 409
Genome organization in Xiphophorus (Poeciliidae; Telostei) Manfred Schwab OriginalPaper Pages: 410 - 417
Units of genetic expression in the virulence region of a plant tumor-inducing plasmid of Agrobacterium tumefaciens V. N. IyerH. J. KleeE. W. Nester OriginalPaper Pages: 418 - 424
Indoleacetic acid complementation and its relation to host range specifying genes on the Ti plasmid of Agrobacterium tumefaciens J. C. KaoK. L. PerryC. I. Kado OriginalPaper Pages: 425 - 432
Mobilization of a Rhizobium meliloti megaplasmid carrying nodulation and nitrogen fixation genes into other rhizobia and Agrobacterium A. KondorosiE. KondorosiZ. Banfalvi OriginalPaper Pages: 433 - 439
Chromosomal location and cloning of the gene (trmD) responsible for the synthesis of tRNA (m1G) methyltransferase in Escherichia coli K-12 Anders S. ByströmGlenn R. Björk OriginalPaper Pages: 440 - 446
The structural gene (trmD) for the tRNA(m1G)methyltransferase is part of a four polypeptide operon in Escherichia coli K-12 Anders S. ByströmGlenn R. Björk OriginalPaper Pages: 447 - 454
DNA sequence change of a deletion mutation abolishing attenuation control of the threonine operon of E. coli K12 C. ParsotI. Saint-GironsP. Cossart OriginalPaper Pages: 455 - 458
A new activity in the Ftra operon which is required for F-pilin synthesis Deanna MooreBlair A. SowaKarin Ippen-Ihler OriginalPaper Pages: 459 - 464
The cya locus of escherichia coli K12: Organization and gene products A. RoyA. Danchin OriginalPaper Pages: 465 - 471
Characterisation of the promoters for the ompA gene which encodes a major outer membrane protein of Escherichia coli Stewart T. ColeErhard BremerUlf Henning OriginalPaper Pages: 472 - 479
Butyrate sensitive suppressor of position-effect variegation mutations in drosophila melanogaster G. ReuterR. DornH. J. Hoffmann OriginalPaper Pages: 480 - 485
Recombination between short direct repeats in a RecA host Ian M. JonesSandy B. PrimroseStanislav D. Ehrlich OriginalPaper Pages: 486 - 489
A near terminal pericentric inversion leads to nitrogen metabolite derepression in aspergillus nidulans Herbert N. Arst Jr. OriginalPaper Pages: 490 - 493
Decreased degradation of ββ′ RNA polymerase subunits and abnormal proteins in a mutant E. coli I. S. SeverE. S. KalyaevaZh. M. Gorlenko OriginalPaper Pages: 494 - 498
Initiation of recombination during transformation of Bacillus subtilis requires no extensive homologous sequences Jan van RandenKoos WiersmaGerard Venema OriginalPaper Pages: 499 - 507
A protease as a possible sensor of environmental conditions in E. coli outer membrane D. CavardJ. M. PagesC. J. Lazdunski OriginalPaper Pages: 508 - 512
Promoter mapping and DNA sequencing of the F plasmid transfer genes traM and traJ Russell ThompsonLinda Taylor OriginalPaper Pages: 513 - 518
