Mineral Catalysis of a Potentially Prebiotic Aldol Condensation R.M. De GraafJ. VisscherAlan W. Schwartz Pages: 501 - 507
The Root of the Universal Tree of Life Inferred from Anciently Duplicated Genes Encoding Components of the Protein-Targeting Machinery Simonetta GribaldoPiero Cammarano Pages: 508 - 516
Symbiosis Between Methanogenic Archaea and δ-Proteobacteria as the Origin of Eukaryotes: The Syntrophic Hypothesis David MoreiraPurificación López-García Pages: 517 - 530
Identification of the First Fungal Annexin: Analysis of Annexin Gene Duplications and Implications for Eukaryotic Evolution Edward L. BraunSeogchan KangDonald O. Natvig Pages: 531 - 543
Actin Phylogeny Identifies Mesostigma viride as a Flagellate Ancestor of the Land Plants Debashish BhattacharyaKlaus WeberWolfgang Berning-Koch Pages: 544 - 550
Molecular Evolution Modeled as a Fractal Renewal Point Process in Agreement with the Dispersion of Substitutions in Mammalian Genes David R. BickelBruce J. West Pages: 551 - 556
Heat Shock Protein 70 Family: Multiple Sequence Comparisons, Function, and Evolution Samuel KarlinLuciano Brocchieri Pages: 565 - 577
Isolation of Mhc Class II DMA and DMB cDNA Sequences in a Marsupial: The Gray Short-Tailed Opossum (Monodelphis domestica) Colm O'hUiginHolger SültmannBrent W. Murray Pages: 578 - 585
Performance of 18S rRNA in Littorinid Phylogeny (Gastropoda: Caenogastropoda) Birgitta M.H. WinnepenninckxDavid G. ReidThierry Backeljau Pages: 586 - 596
Phylogeny of Nematoda and Cephalorhyncha Derived from 18S rDNA Vladimir V. AleshinIrina A. MilyutinaNikolai B. Petrov Pages: 597 - 605
Sociality and the Rate of rDNA Sequence Evolution in Wasps (Vespidae) and Honeybees (Apis) J. SchmitzR.F.A. Moritz Pages: 606 - 612
Phylogeographic Patterns and Evolution of the Mitochondrial DNA Control Region in Two Neotropical Cats (Mammalia, Felidae) Eduardo EizirikSandro L. BonattoFrancisco M. Salzano Pages: 613 - 624
Did Archaeal and Bacterial Cells Arise Independently from Noncellular Precursors? A Hypothesis Stating That the Advent of Membrane Phospholipid with Enantiomeric Glycerophosphate Backbones Caused the Separation of the Two Lines of Descent Y. KogaT. KyuragiN. Sone Pages: 631 - 631