Identification of DNA topoisomerases involved in immediate and transient DNA relaxation induced by heat shock inEscherichia coli Yasuyuki OgataTohru MizushimaKazuhisa Sekimizu Original Paper Pages: 451 - 455
Theste13 + gene encoding a putative RNA helicase is essential for nitrogen starvation-induced G1 arrest and initiation of sexual development in the fission yeastSchizosaccharomyces pombe Hiromi MaekawaTomoko NakagawaChikashi Shimoda Original Paper Pages: 456 - 464
bHLH proteins encoded by theEnhancer of split complex ofDrosophila negatively interfere with transcriptional activation mediated by proneural genes Nadja OellersMichaela DehioElisabeth Knust Original Paper Pages: 465 - 473
Mutations in somePolycomb group genes ofDrosophila interfere with regulation of segmentation genes Joanie McKeonEric SladeHugh W. Brock Original Paper Pages: 474 - 483
Preferential transposition of aDrosophila P element to the corresponding region of the homologous chromosome John TowerRaj Kurapati Original Paper Pages: 484 - 490
Enhanced frequency of transposition of the maize transposable elementActivator following excision from T-DNA inPetunia hybrida Timothy P. RobbinsMatthew JenkinNeal Courtney-Gutterson Original Paper Pages: 491 - 500
PDR3, a new yeast regulatory gene, is homologous toPDR1 and controls the multidrug resistance phenomenon Thierry DelaveauAgnès DelahoddeClaude Jacq Original Paper Pages: 501 - 511
Linkage analysis of sex determination in the honey bee (Apis mellifera) Greg J. HuntRobert E. Page Jr. Original Paper Pages: 512 - 518
The vacuolar compartment is required for sulfur amino acid homeostasis inSaccharomyces cerevisiae Irène Jacquemin-FaureDominique ThomasYolande Surdin-Kerjan Original Paper Pages: 519 - 529
The antidote and autoregulatory functions of the F plasmid CcdA protein: a genetic and biochemical survey Michel André SalmonLaurence Van MelderenMartine Couturier Original Paper Pages: 530 - 538
ThePenicillium chrysogenum andAspergillus nidulans wetA developmental regulatory genes are functionally equivalent Rolf A. PradeWilliam E. Timberlake Original Paper Pages: 539 - 547
Differential expression of several E2-type ubiquitin carrier protein genes at different developmental stages inArabidopsis thaliana andNicotiana sylvestris Pascal GenschikAndrée DurrJacqueline Fleck Original Paper Pages: 548 - 556
RecA, Tus protein and constitutive stable DNA replication inEscherichia coli rnhA mutants Tokio KogomaKathryn G. BarnardXiankang Hong Original Paper Pages: 557 - 562