Cloned nodulation genes of Rhizobium leguminosarum determine host-range specificity J. Allan DownieGerd HombrecherAndrew W. B. Johnston OriginalPaper Pages: 359 - 365
A genetic approach to the study of mitomycin-induced lysis of Escherichia coli K-12 strains which produce colicin E2 Anthony P. PugsleyMaxime Schwartz OriginalPaper Pages: 366 - 372
Location of nitrogen fixation (nif) genes on indigenous plasmids of Enterobacter agglomerans Mahavir SinghA. KleebergerW. Klingmüller OriginalPaper Pages: 373 - 378
Expression of antibiotic resistance genes from Escherichia coli in Bacillus subtilis Jürgen KreftKlaus J. BurgerWerner Goebel OriginalPaper Pages: 384 - 389
Superunstable alleles at the cut locus in Drosophila melanogaster T. I. Gerasimova OriginalPaper Pages: 390 - 393
Cloning of a Streptomyces gene for an O-methyltransferase involved in antibiotic biosynthesis Jerald S. FeitelsonDavid A. Hopwood OriginalPaper Pages: 394 - 398
Two-dimensional separation of polypeptides from wild-type and photosystem deficient mutants of Chlamydomonas reinhardii István GyurjánGéza ErdösGyula Paless OriginalPaper Pages: 399 - 402
Cloning of the structural gene for orotidine 5′-phosphate carboxylase of Neurospora crassa by expression in Escherichia coli F. P. BuxtonA. Radford OriginalPaper Pages: 403 - 405
Analysis of mutagenic DNA repair in a thermoconditional repair mutant of Saccharomyces cerevisiae Wolfram SiedeFriederike EckardtMartin Brendel OriginalPaper Pages: 406 - 412
Analysis of mutagenic DNA repair in a thermoconditional repair mutant of Saccharomyces cerevisiae Wolfram SiedeFriederike EckardtMartin Brendel OriginalPaper Pages: 413 - 416
Effect of ptsI and ptsH mutations on initiation of transcription of the Escherichia coli lactose operon Marina L. GlesynaTatyana N. BolshakovaVladimir N. Gershanovitch OriginalPaper Pages: 417 - 420
Isolation and analysis of a genomic clone encoding sucrose synthetase in maize: Evidence for two introns in Sh Edward SheldonRobert FerlL. Curtis Hannah OriginalPaper Pages: 421 - 426
P22 antirepressor protein prevents in vivo recA-dependent proteolysis of P22 repressor H. H. PrellA. M Harvey OriginalPaper Pages: 427 - 431
Further evidence that aberrant segragation and crossing over in sordaria brevicollis may be discrete, though associated, events K. TheivendirarajahH. L. K. Whitehouse OriginalPaper Pages: 432 - 437
X chromosome nucleolus organizer mutants which alter major type I repeat multiplicity in Drosophila melanogaster Zelton D. SharpVarsha V. GandhiJames D. Procunier OriginalPaper Pages: 438 - 443
The finO gene of antibiotic resistance plasmid R100 Walter B. DempseySarah A. McIntire OriginalPaper Pages: 444 - 451
2-ketobutyrate: A putative alarmone of Escherichia coli Jacques DanielLiliane DondonAntoine Danchin OriginalPaper Pages: 452 - 458
Novel composition of mitochondrial genomes in Petunia somatic hybrids derived from cytoplasmic male sterile and fertile plants Maury L. BoeshoreIrit LifshitzShamay Izhar OriginalPaper Pages: 459 - 467
Sorting out of cytoplasmic elements in somatic hybrids of Petunia and the prevalence of the heteroplasmon through several meiotic cycles Shamay IzharMiriam SchlicterDvora Swartzberg OriginalPaper Pages: 468 - 474
DNA repair in B. subtilis: An inducible dimer specific W-reactivation system Patricia I. FieldsRonald E. Yasbin OriginalPaper Pages: 475 - 480
The genetics and specificity of the constutive excision repair system of Bacillus subtilis Bradford M. FriedmanRonald E. Yasbin OriginalPaper Pages: 481 - 486
Expression of rDNA insertions during rDNA magnification in D. melanogaster T. LabellaL. VicariF. Graziani OriginalPaper Pages: 487 - 493
Agrobacterium tumefaciens T-DNA integrates into multiple sites of the sunflower crown gall genome Doris UrsicJerry L. SlightomJohn D. Kemp OriginalPaper Pages: 494 - 503
The role of the nuclear gene “mitochondrial mutability control” (MMC1) in the process of mutability of the mitochondrial genome by different mutagens in Saccharomyces cerevisiae Claudia DonniniPier Paolo PuglisiNelson Marmiroli OriginalPaper Pages: 504 - 510
Amelioration of the ultraviolet sensitivity of an Escherichia coli recA mutant in the dark by photoreactivating enzyme Kazuo YamamotoMitsunobu SatakeYoshisada Fujiwara OriginalPaper Pages: 511 - 515
Nopaline T-DNA is maintained during regeneration and generative propagation of transformed tobacco plants Johan MemelinkGeorge J. WullemsRob A. Schilperoort OriginalPaper Pages: 516 - 522
Genetic studies on the β subunit of Escherichia coli RNA polymerase Clare M. BoothroydRosemary M. MaletRobert E. Glass Short Communication Pages: 523 - 526
Plaque assay for lambda transducing phage carrying the E. coli metB gene James R. JohnsonCheryl A. Liljestrand Short Communication Pages: 527 - 530
