1. A Group I Intron in the Nuclear Small Subunit rRNA Gene of Cryptendoxyla hypophloia, an Ascomycetous Fungus: Evidence for a New Major Class of Group I Introns

   • Sung-Oui Suh
   • Kevin G. Jones
   • Meredith Blackwell

   Pages: 493 - 500

2. Positional Dependence, Cliques, and Predictive Motifs in the bHLH Protein Domain

   • William R. Atchley
   • Werner Terhalle
   • Andreas Dress

   Pages: 501 - 516

3. Diversification Pattern of the HMG and SOX Family Members During Evolution

   • Stéphan Soullier
   • Philippe Jay
   • Vincent Laudet

   Pages: 517 - 527

4. RNA Polymerase of Aquifex pyrophilus: Implications for the Evolution of the Bacterial rpoBC Operon and Extremely Thermophilic Bacteria

   • Hans-Peter Klenk
   • Thomas-Dirk Meier
   • Wolfram Zillig

   Pages: 528 - 541

5. Partial Sequence of a Sponge Mitochondrial Genome Reveals Sequence Similarity to Cnidaria in Cytochrome Oxidase Subunit II and the Large Ribosomal RNA Subunit

   • Russell F. Watkins
   • Andrew T. Beckenbach

   Pages: 542 - 554

6. Gene Duplication and Gene Conversion in the Caenorhabditis elegans Genome

   • Colin Semple
   • Kenneth H. Wolfe

   Pages: 555 - 564

7. Phylogenies of Developmentally Important Proteins Do Not Support the Hypothesis of Two Rounds of Genome Duplication Early in Vertebrate History

   • Austin L. Hughes

   Pages: 565 - 576

8. A Novel Tripartite Structure Comprising a Mariner-Like Element and Two Additional Retrotransposons Found in the Bombyx mori Genome

   • Yumiko Nakajima
   • Kazuo Hashido
   • Hideaki Maekawa

   Pages: 577 - 585

9. Contributions to the Phylogeny of the Cyclophyllidea (Cestoda) Inferred from Mitochondrial 12S rDNA

   • Markus von Nickisch-Rosenegk
   • Richard Lucius
   • Brigitte Loos-Frank

   Pages: 586 - 596

10. Rates of Nucleotide Substitution in Angiosperm Mitochondrial DNA Sequences and Dates of Divergence Between Brassica and Other Angiosperm Lineages

    • Yau-Wen Yang
    • Kun-Nan Lai
    • Wen-Hsiung Li

    Pages: 597 - 604

11. Phylogenetic Relationships of Orders Within the Class Colpodea (Phylum Ciliophora) Inferred from Small Subunit rRNA Gene Sequences

    • Denis H. Lynn
    • André-Denis G. Wright
    • Wilhelm Foissner

    Pages: 605 - 614

12. Multiple Origins of Cyclodiene Insecticide Resistance in Tribolium castaneum (Coleoptera: Tenebrionidae)

    • Dmitri Andreev
    • Martin Kreitman
    • Richard H. ffrench-Constant

    Pages: 615 - 624

13. Identification of Protein-Tyrosine Phosphatases in Archaea

    • Dimitrios J. Stravopodis
    • Nikos C. Kyrpides

    Pages: 625 - 627

14. The Effects of Social Structure, Geographical Structure, and Population Size on the Evolution of Mitochondrial DNA: II. Molecular Clocks and the Lineage Sorting Period

    • Guy A. Hoelzer
    • Joel Wallman
    • Don J. Melnick

    Pages: 628 - 629