Restriction alleviation and enhancement of mutagenesis of the bacteriophage T4 chromosome in recBCsbcA strains of Escherichia coli P. R. KannanK. Dharmalingam OriginalPaper Pages: 413 - 418
The ntrC gene of Agrobacterium tumefaciens C58 controls glutamine synthetase (GSII) activity, growth on nitrate and chromosomal but not Ti-encoded arginine catabolism pathways S. RossbachJ. SchellF. J. de Bruijn OriginalPaper Pages: 419 - 426
Rapid splicing and stepwise processing of a transcript from the psbB operon in tobacco chloroplasts: Determination of the intron sites in petB and petD Minoru TanakaJunichi ObokataMasahiro Sugiura OriginalPaper Pages: 427 - 431
Pleiotropic soybean mutants defective in both urease isozymes L. Elise Meyer-BothlingJoseph C. PolaccoSilvia R. Cianzio OriginalPaper Pages: 432 - 438
Mutational analysis of the embryo-specific urease locus of soybean L. Elise Meyer-BothlingJoseph C. Polacco OriginalPaper Pages: 439 - 444
Selective and accurate initiation of transcription at the T-DNA promoter in a soluble chromatin extract from wheat germ Ken-ichi YamazakiFumio Imamoto OriginalPaper Pages: 445 - 452
Role of replication in IS 102-mediated deletion formation Françoise BernardiAlberto Bernardi OriginalPaper Pages: 453 - 457
The RAD3 gene of Saccharomyces cerevisiae: Isolation and characterization of a temperature-sensitive mutant in the essential function and of extragenic suppressors of this mutant Louie NaumovskiErrol C. Friedberg OriginalPaper Pages: 458 - 466
Mutations of the Escherichia coli lacUV5 promoter resulting in increased expression in Bacillus subtilis Tina M. HenkinAbraham L. Sonenshein OriginalPaper Pages: 467 - 474
Agrobacterium rhizogenes T-DNA genes capable of inducing hairy root phenotype M. CardarelliD. MariottiP. Costantino OriginalPaper Pages: 475 - 480
Cloning and nucleotide sequencing of the genes rimI and rimJ which encode enzymes acetylating ribosomal proteins S18 and S5 of Escherichia coli K12 Akikazu YoshikawaSetsuko IsonoKatsumi Isono OriginalPaper Pages: 481 - 488
Nucleotide sequences from the colicin E8 operon: Homology with plasmid ColE2-P9 Tai UchimuraPeter C.K. Lau OriginalPaper Pages: 489 - 493
Effects of modulation of RNase H production on the recovery of DNA synthesis following UV-irradiation in Escherichia coli Serge CasaregolaMohammed KhidhirI. Barry Holland OriginalPaper Pages: 494 - 498
Molecular analysis of paramutant plants of Antirrhinum majus and the involvement of transposable elements Enno KrebbersReinhard HehlHeinz Saedler OriginalPaper Pages: 499 - 507
Regulation of MAL gene expression in yeast: Gene dosage effects Michael J. GoldenthalMarco VanoniJulius Marmur OriginalPaper Pages: 508 - 517
Transcriptional repression of the dnaA gene of Escherichia coli by dnaA protein Qingping WangJon M. Kaguni OriginalPaper Pages: 518 - 525
DNA base changes induced following in vivo exposure of unadapted, adapted or Ada− Escherichia coli to N-methyl-N′-nitro-N-nitrosoguanidine Katherine K. RichardsonRenae M. CrosbyThomas R. Skopek OriginalPaper Pages: 526 - 532
Transcript analysis of the plasmid R100 traJ and finP genes Walter B. Dempsey OriginalPaper Pages: 533 - 544
Genetic control of cell proliferation in female germ line cells of Drosophila: Mosaic analysis of five discless mutations Helge TaubertJános Szabad OriginalPaper Pages: 545 - 551
Cloning of DNA fragments complementary to tobacco nitrate reductase mRNA and encoding epitopes common to the nitrate reductases from higher plants Roger CalzaEric HuttnerMichel Caboche OriginalPaper Pages: 552 - 562
The molecular organization of the lysostaphin gene and its sequences repeated in tandem Peter HeinrichRalf RosensteinFriedrich Götz OriginalPaper Pages: 563 - 569
Cloning of two type II methylase genes that recognise asymmetric nucleotide sequences: FokI and HgaI Donald NwankwoGeoffrey Wilson OriginalPaper Pages: 570 - 574
Thermostability and superhelicity of plasmid DNA in Bacillus stearothermophilus Erwin Soutschek-BauerWinfried ScholzWalter L. Staudenbauer OriginalPaper Pages: 575 - 579
A plasmid sequence from Rhizobium leguminosarum 300 contains homology to sequences near the octopine TL-DNA right border Allen C. YunR. G. HadleyAladar A. Szalay OriginalPaper Pages: 580 - 584
Analysis of structure-function relationships in Escherichia coli K12 outer membrane porins with the aid of ompC-phoE and phoE-ompC hybrid genes Peter van der LeyPatrick BurmJan Tommassen OriginalPaper Pages: 585 - 591
Collagen and fibronectin synthesis by trisomic and triploid fibroblasts from human spontaneous abortuses A. A. DelvigV. I. KukharenkoS. S. Debov OriginalPaper Pages: 592 - 595
Isolation and characterization of Nicotiana plumbaginifolia nitrate reductase-deficient mutants: genetic and biochemical analysis of the NIA complementation group Jérôme GabardAnnie Marion-PollMichel Caboche OriginalPaper Pages: 596 - 606
Use of λ vehicles to isolate ompC-lacZ gene fusions in Salmonella typhimurium LT2 Anu HarkkiHanna KarkkuE. Tapio Palva OriginalPaper Pages: 607 - 611
The relative rate of synthesis and levels of single-stranded DNA binding protein during induction of SOS repair in Escherichia coli Fred W. PerrinoDiane C. ReinRalph R. Meyer OriginalPaper Pages: 612 - 614
Genetic analysis of the pelA-pelE cluster encoding the acidic and basic pectate lyases in Erwinia chrysanthemi EC16 Frederic BarrasArun K. Chatterjee Short Communications Pages: 615 - 617
Organisation of the Escherichia coli chromosome between genes glnS and glnU, V Jacqueline Plumbridge Short Communications Pages: 618 - 620
Direct response of Bradyrhizobium japonicum nifA-mediated nif gene regulation to cellular oxygen status Hans-Martin FischerHauke Hennecke Short Communications Pages: 621 - 626
Mapping of the ras1 gene of Schizosaccharomyces pombe Patricia M. LundYoshiko HasegawaMasayuki Yamamoto Short Communications Pages: 627 - 629
Insertion of short poly d(A) d(T) sequences at recombination junctions in mitochondrial DNA of Podospora France KollOdile BegelLeon Belcour Short Communications Pages: 630 - 632
A mutant of Chlamydomonas reinhardtii altered in the transfort of ammonium and methylammonium A. R. FrancoJ. CárdenasE. Fernández Erratum Pages: 633 - 633
The expression of a chimeric soybean beta-tubulin gene in tobacco Mark J. GuiltinanJeff VeltenDonald E. Fosket Erratum Pages: 633 - 633