Mutagenesis after exposure of bacteria to ultraviolet light and delayed photoreversal Bryn A. Bridges Mini-Review Pages: 331 - 336
CfT-I: an LTR-retrotransposon in Cladosporium fulvum, a fungal pathogen of tomato Mark T. McHaleIan N. RobertsRichard P. Oliver Original Articles Pages: 337 - 347
Survival of phage M13 with uracils on one or both DNA strands Stefan SchünemannDietrich Schulte-Frohlinde Original Articles Pages: 348 - 354
Identification of a site required for DNA replication fork blocking activity in the rRNA gene cluster in Saccharomyces cerevisiae Takehiko KobayashiMasumi HidakaTakashi Horiuchi Original Articles Pages: 355 - 362
A new member of the adenylate kinase family in yeast: PAK3 is highly homologous to mammalian AK3 and is targeted to mitochondria Roland SchrickerViktor MagdolenWolfhard Bandlow Original Articles Pages: 363 - 371
DNA sequence analysis of the lamB gene from Klebsiella pneumoniae: implications for the topology and the pore functions in maltoporin Catherine WertsAlain CharbitMaurice Hofnung Original Articles Pages: 372 - 378
Regulated transcription of the maize Bronze-2 promoter in electroporated protoplasts requires the C1 and R gene products John P. BodeauVirginia Walbot Original Articles Pages: 379 - 387
Mechanism of Ds1 excision from the genome of maize streak virus Wen-Hui ShenSampa DasBarbara Hohn Original Articles Pages: 388 - 394
Immunity and resistance to the KP6 toxin of Ustilago maydis Aliza FinklerTsafrira Peeryigal Koltin Original Articles Pages: 395 - 403
Cloning and expression of a member of the Aspergillus niger gene family encoding α-galactosidase Irma F. den HerderAna M. Mateo RosellCees A. M. J. J. van den Hondel Original Articles Pages: 404 - 410
A maize cryptic Ac-homologous sequence derived from an Activator transposable element does not transpose Jun-Yi LenY. Henry SunJychian Chen Original Articles Pages: 411 - 418
Analysis of an upstream regulatory sequence required for activation of the regulatory gene xylS in xylene metabolism directed by the TOL plasmid of Pseudomonas putida Manabu GomadaSachiye InouyeTeruko Nakazawa Original Articles Pages: 419 - 426
Herbicide resistance due to amplification of a mutant acetohydroxyacid synthase gene Christian T. HarmsSusan L. ArmourGeorge C. Jen Original Articles Pages: 427 - 435
The switching gene swi6 affects recombination and gene expression in the mating-type region of Schizosaccharomyces pombe Axel LorentzLutz HeimHenning Schmidt Original Articles Pages: 436 - 442
Escherichia coli umuDC mutants: DNA sequence alterations and UmuD cleavage Walter H. KochDon G. EnnisRoger Woodgate Original Articles Pages: 443 - 448
Development of an efficient two-element transposon tagging system in Arabidopsis thaliana Ian BancroftAnuj M. BhattCaroline Dean Original Articles Pages: 449 - 461
The integrated state of the rolling-circle plasmid pTB913 in the composite Bacillus plasmid pTB19 Linda OskamDirk J. HillengaSierd Bron Original Articles Pages: 462 - 468
Molecular characterisation of inter and intra-specific somatic hybrids of potato using randomly amplified polymorphic DNA (RAPD) markers Eileen BairdStephanie Cooper-BlandWayne Powell Original Articles Pages: 469 - 475
Nucleotide sequence of a carboxyphosphonoenolpyruvate phosphonomutase gene isolated from a bialaphos-producing organism, Streptomyces hygroscopicus, and its expression in Streptomyces lividans Tomomi HidakaMakoto HidakaHaruo Seto Short Communications Pages: 476 - 478
Transfer of defined numbers of chloroplasts into albino protoplasts by subprotoplast/protoplast microfusion: chloroplasts can be “cloned”, by using suitable plastome combinations or selective pressure Lutz EigelHans-Ulrich Koop Short Communications Pages: 479 - 482
Riboflavin operon of Bacillus subtilis: unusual symmetric arrangement of the regulatory region Yuri V. KilVladimir N. MironoviDaniel A. Perumov Short Communications Pages: 483 - 486
The two genes encoding protein synthesis initiation factor eIF-5A in Saccharomyces cerevisiae are members of a duplicated gene cluster Hyun Ah KangHubert G. SchwelbergerJohn W. B. Hershey Short Communications Pages: 487 - 490
A new oxygen-regulated operon in Escherichia coli comprises the genes for a putative third cytochrome oxidase and for pH 2.5 acid phosphatase (appA) Janie DassaHafida FsihiPaul L. Bouquet Erratum Pages: 491 - 491
Nuleotide sequence of the celA gene encoding a cellodextrinase of Ruminococcus flavefaciens FD-1 Wenyen WangJennifer A. Thomson Erratum Pages: 492 - 492