Structure-Based Phylogeny of Class IIa tRNA Synthetases in Relation to an Unusual Biochemistry Lluís Ribas de PouplanaJames R. BrownPaul Schimmel Pages: 261 - 268
Codon Usage and tRNA Genes in Eukaryotes: Correlation of Codon Usage Diversity with Translation Efficiency and with CG-Dinucleotide Usage as Assessed by Multivariate Analysis Shigehiko KanayaYuko YamadaToshimichi Ikemura Pages: 290 - 298
Genetic Code Variations in Mitochondria: tRNA as a Major Determinant of Genetic Code Plasticity Shin-ichi YokoboriTsutomu SuzukiKimitsuna Watanabe Pages: 314 - 326
Comparative Analysis of RNA Editing Sites in Higher Plant Chloroplasts Takahiko TsudzukiTatsuya WakasugiMasahiro Sugiura Pages: 327 - 332
Regular Spliceosomal Introns Are Invasive in Chlamydomonas reinhardtii: 15 Introns in the Recently Relocated Mitochondrial cox2 and cox3 Genes Kazuo I. WatanabeTakeshi Ohama Pages: 333 - 339
Defining the Core of Nontransferable Prokaryotic Genes: The Euryarchaeal Core Camilla L. NesbøYan BoucherW. Ford Doolittle Pages: 340 - 350
A Complex Organization of the Gene Encoding Cytochrome Oxidase Subunit 1 in the Mitochondrial Genome of the Dinoflagellate, Crypthecodinium cohnii: Homologous Recombination Generates Two Different cox1 Open Reading Frames John E. NormanMichael W. Gray Pages: 351 - 363
Skew of Mononucleotide Frequencies, Relative Abundance of Dinucleotides, and DNA Strand Asymmetry Chiharu ShioiriNaoyuki Takahata Pages: 364 - 376
Accumulation of Species-Specific Amino Acid Replacements That Cause Loss of Particular Protein Functions in Buchnera, an Endocellular Bacterial Symbiont Shuji ShigenobuHidemi WatanabeHajime Ishikawa Pages: 377 - 386
Evolution of MADS-Box Gene Induction by FLO/LFY Genes Saiko HimiRyosuke SanoMitsuyasu Hasebe Pages: 387 - 393
Distinct Stages of Protein Evolution as Suggested by Protein Sequence Analysis Edward N. TrifonovAlla KirzhnerIgor N. Berezovsky Pages: 394 - 401
Molecular Evolution of the Metazoan Extracellular Matrix: Cloning and Expression of Structural Proteins from the Demosponges Suberites domuncula and Geodia cydonium Joachim SchützeAlexander SkorokhodWerner E.G. Müller Pages: 402 - 415
Variable Subunit Contact and Cooperativity of Hemoglobins Masafumi ShionyuKen-ichi TakahashiMitiko Gō Pages: 416 - 429
The Ghost of Selection Past: Rates of Evolution and Functional Divergence of Anciently Duplicated Genes Yves Van de PeerJohn S. TaylorAxel Meyer Pages: 436 - 446
Taking Variation of Evolutionary Rates Between Sites into Account in Inferring Phylogenies Joseph Felsenstein Pages: 447 - 455
Intragenic Variation of Synonymous Substitution Rates Is Caused by Nonrandom Mutations at Methylated CpG Kazuhisa TsunoyamaMatthew I. BellgardTakashi Gojobori Pages: 456 - 464
Early Detection of G + C Differences in Bacterial Species Inferred from the Comparative Analysis of the Two Completely Sequenced Helicobacter pylori Strains Matthew BellgardDavid SchibeciTakashi Gojobori Pages: 465 - 468
Near Homogeneity of PR2-Bias Fingerprints in the Human Genome and Their Implications in Phylogenetic Analyses Noboru Sueoka Pages: 469 - 476
Genetic Algorithm-Based Maximum-Likelihood Analysis for Molecular Phylogeny Kazutaka KatohKei-ichi KumaTakashi Miyata Pages: 477 - 484
Xanthine Dehydrogenase (XDH): Episodic Evolution of a ``Neutral'' Protein Francisco Rodríguez-TrellesRosa TarríoFrancisco J. Ayala Pages: 485 - 495
Retroposition of the AFC Family of SINEs (Short Interspersed Repetitive Elements) Before and During the Adaptive Radiation of Cichlid Fishes in Lake Malawi and Related Inferences About Phylogeny Kazuhiko TakahashiMutsumi NishidaNorihiro Okada Pages: 496 - 507
Maximum Likelihood Analysis of the Complete Mitochondrial Genomes of Eutherians and a Reevaluation of the Phylogeny of Bats and Insectivores Masato NikaidoKuniko KawaiMasami Hasegawa Pages: 508 - 516
Evolutionary Discontinuity of the Carabine Ground Beetles Zhi-Hui SuYûki ImuraSyozo Osawa Pages: 517 - 529
Sympatric Convergence of the Color Pattern in the Chilean Ceroglossus Ground Beetles Inferred from Sequence Comparisons of the Mitochondrial ND5 Gene Munehiro OkamotoNobuo KashiwaiSyozo Osawa Pages: 530 - 538
Intrinsically Driven Changes in Gene Interaction Complexity. I. Growth of Regulatory Complexes and Increase in Number of Genes Emile Zuckerkandl Pages: 539 - 554
Obcells as Proto-Organisms: Membrane Heredity, Lithophosphorylation, and the Origins of the Genetic Code, the First Cells, and Photosynthesis Thomas Cavalier-Smith Pages: 555 - 595