Biased distribution of adenine and thymine in gene nucleotide sequences Jan MrázekJaroslav Kypr OriginalPaper Pages: 439 - 447
Synonymous substitutions are clustered in enterobacterial genes Adam Eyre-Walker OriginalPaper Pages: 448 - 451
Degenerating gypsy retrotransposons in a male fertility gene on the Y chromosome of Drosophila hydei Ron HochstenbachHarry HarhangiWolfgang Hennig OriginalPaper Pages: 452 - 465
Dynamic equilibrium between insertion and excision of P elements in highly inbred lines from an M′ strain of Drosophila melanogaster C. Biémont OriginalPaper Pages: 466 - 472
A repetitive DNA family, conserved throughout the evolution of free-living nematodes Adriana La Volpe OriginalPaper Pages: 473 - 477
Phylogeny of the Drosophila obscura species group deduced from mitochondrial DNA sequences Eladio BarrioAmparo LatorreAndrés Moya OriginalPaper Pages: 478 - 488
Characterization of two abundant satellite DNAs from the mealworm Tenebrio obscurus Miroslav PlohlĐurđica Ugarković OriginalPaper Pages: 489 - 495
Phylogenetic relationships reveal recombination among isolates of cauliflower mosaic virus Chenault Kelly D.Ulrich Melcher OriginalPaper Pages: 496 - 505
Evolution of secondary structure in the family of 7SL-like RNAs Damian LabudaEwa Zitkiewicz OriginalPaper Pages: 506 - 518
Phylogenetic relationships among eutherian orders estimated from inferred sequences of mitochondrial proteins: Instability of a tree based on a single gene Ying CaoJun AdachiMasami Hasegawa OriginalPaper Pages: 519 - 527
Using protein synthesis inhibitors to establish the phylogenetic relationships of the sulfolobales order José L. SanzGertrud HuberRicardo Amils OriginalPaper Pages: 528 - 532
An empirical comparison of distance matrix techniques for estimating codon usage divergence David A. MorrisonJohn EllisAlan M. Johnson OriginalPaper Pages: 533 - 536
HSP70 phylogeny and the relationship between archaebacteria, eubacteria, and eukaryotes Radhey S. GuptaG. Brian GoldingBhag Singh Letter to the Editor Pages: 537 - 540
Which is the most conserved group of proteins? Homology-orthology, paralogy, xenology, and the fusion of independent lineages J. Peter Gogarten Letter to the Editor Pages: 541 - 543