Free-radical-induced mutation vs redox regulation: Costs and benefits of genes in organelles John F. AllenJohn A. Raven Focus Pages: 482 - 492
De Novo synthesis of DNA-like molecules by polynucleotide phosphorylase in vitro Mirko Beljanski Articles Pages: 493 - 499
Sequence divergence in a family of variant surface glycoprotein genes from trypanosomes: Coding region hypervariability and downstream recombinogenic repeats Mark C. FieldJohn C. Boothroyd Articles Pages: 500 - 511
The amplification of oligonucleotide themes in the evolution of themyc protooncogene family Jiří Doskočil Articles Pages: 512 - 524
Codon usage and base composition inRickettsia prowazekii Siv G. E. AnderssonPaul M. Sharp Articles Pages: 525 - 536
Phylogenetic analysis of the isopenicillin-N-synthetase horizontal gene transfer Celia BuadesAndrés Moya Articles Pages: 537 - 542
Cloning and sequencing analysis of three amylase cDNAs in the shrimpPenaeus vannamei (Crustacea decapoda): evolutionary aspects Alain Van WormhoudtDaniel Sellos Articles Pages: 543 - 551
18S rRNA suggests that Entoprocta are protostomes, unrelated to Ectoprocta L. Y. MackeyB. WinnepenninckxJ. R. Garey Articles Pages: 552 - 559
Analysis of the amino acid sequences of plant Bowman-Birk inhibitors Balaji PrakashS. SelvarajLalitha R. Gowda Articles Pages: 560 - 569
Molecular evolution of maize catalases and their relationship to other eukaryotic and prokaryotic catalases Lingqiang GuanJohn G. Scandalios Articles Pages: 570 - 579
Protein sequences indicate that turtles branched off from the amniote tree after mammals Gert-Jan CaspersGeert-Jan ReindersWilfried W. de Jong Articles Pages: 580 - 586
Maximum-likelihood models for combined analyses of multiple sequence data Ziheng Yang Articles Pages: 587 - 596
On malleability in the genetic code Dennis W. SchultzMichael Yarus Letter to the Editor Pages: 597 - 601