1. The Genetic Code: What Is It Good For? An Analysis of the Effects of Selection Pressures on Genetic Codes

   • Olivia P. Judson
   • Daniel Haydon

   Pages: 539 - 550

2. Functional Classes in the Three Domains of Life

   • M.A. Andrade
   • C. Ouzounis
   • A. Valencia

   Pages: 551 - 557

3. A Comparison of Homologous Developmental Genes from Drosophila and Tribolium Reveals Major Differences in Length and Trinucleotide Repeat Content

   • Karl J. Schmid
   • Diethard Tautz

   Pages: 558 - 566

4. The Evolution of the MAP Kinase Pathways: Coduplication of Interacting Proteins Leads to New Signaling Cascades

   • Daniel R. Caffrey
   • Luke A.J. O'Neill
   • Denis C. Shields

   Pages: 567 - 582

5. Absence of Protein Polymorphism in the Ras Genes of Drosophila melanogaster

   • Robert Gasperini
   • Greg Gibson

   Pages: 583 - 590

6. Pervasiveness of Gene Conservation and Persistence of Duplicates in Cellular Genomes

   • Fredj Tekaia
   • Bernard Dujon

   Pages: 591 - 600

7. Protein Tyrosine Kinase cDNAs from Amphioxus, Hagfish, and Lamprey: Isoform Duplications Around the Divergence of Cyclostomes and Gnathostomes

   • Hiroshi Suga
   • Daisuke Hoshiyama
   • Takashi Miyata

   Pages: 601 - 608

8. Phylogenetic Analyses Reveal Ancient Duplication of Estrogen Receptor Isoforms

   • Scott T. Kelley
   • Varykina G. Thackray

   Pages: 609 - 614

9. Evolution of Rh Blood Group Genes Have Experienced Gene Conversions and Positive Selection

   • Takashi Kitano
   • Naruya Saitou

   Pages: 615 - 626

10. Phylogenetic Analysis of Pseudomonas syringae Pathovars Suggests the Horizontal Gene Transfer of argK and the Evolutionary Stability of hrp Gene Cluster

    • Hiroyuki Sawada
    • Fumihiko Suzuki
    • Naruya Saitou

    Pages: 627 - 644

11. Mytilus edulis Histone Gene Clusters Containing Only H1 Genes

    • Birgit Drabent
    • Jae-Sun Kim
    • Detlef Doenecke

    Pages: 645 - 655

12. Molecular Parasites That Evolve Longer Genomes

    • Kristin A. Marshall
    • Andrew D. Ellington

    Pages: 656 - 663

13. Sequential Loss of Two Neighboring Exons of the Tropoelastin Gene During Primate Evolution

    • Zoltán Szabó
    • Simona A. Levi-Minzi
    • Charles D. Boyd

    Pages: 664 - 671

14. Genetic Variability of Natural Populations of Cotton Leaf Curl Geminivirus, a Single-Stranded DNA Virus

    • Ana I. Sanz
    • Aurora Fraile
    • Fernando García-Arenal

    Pages: 672 - 681

15. Evaluating a Putative Bottleneck in a Population of Bowhead Whales from Patterns of Microsatellite Diversity and Genetic Disequilibria

    • Alejandro P. Rooney
    • Rodney L. Honeycutt
    • James N. Derr

    Pages: 682 - 690

16. Toward Assigning Helical Regions in Alignments of Ribosomal RNA and Testing the Appropriateness of Evolutionary Models

    • Michael Schöniger
    • Arndt von Haeseler

    Pages: 691 - 698

17. Phylogenetic Analysis of a Retroposon Family in African Great Apes

    • Heui-Soo Kim
    • Rekha V. Wadekar
    • Timothy J. Crow

    Pages: 699 - 702

18. Little Evidence for Synergism Among Deleterious Mutations in a Nonsegmented RNA Virus

    • Santiago F. Elena

    Pages: 703 - 707

19. A Quantitative Measure of Error Minimization in the Genetic Code

    • David Haig
    • Laurence D. Hurst

    Pages: 708 - 708

20. Instructions to Authors

    Pages: a4 - a4