An Attempt to Pinpoint the Phylogenetic Introduction of Glutaminyl-tRNA Synthetase Among Bacteria Jacob HandyRussell F. Doolittle Pages: 709 - 715
Exploring Nonnatural Evolutionary Pathways by Saturation Mutagenesis: Rapid Improvement of Protein Function Kentaro MiyazakiFrances H. Arnold Pages: 716 - 720
Rapid Evolution of the Ribonuclease A Superfamily: Adaptive Expansion of Independent Gene Clusters in Rats and Mice Neil A. SinghaniaKimberly D. DyerHelene F. Rosenberg Pages: 721 - 728
Monophyly of Lampreys and Hagfishes Supported by Nuclear DNA–Coded Genes Shigehiro KurakuDaisuke HoshiyamaTakashi Miyata Pages: 729 - 735
Functional Analyses of Natural Variation in Sp1 Binding Sites of a TATA-Less Promoter Jeff A. SegalJ. Lynn BarnettDouglas L. Crawford Pages: 736 - 749
Male-Driven Evolution Among Eoaves? A Test of the Replicative Division Hypothesis in a Heterogametic Female (ZW) System Nate W. KahnTom W. Quinn Pages: 750 - 759
Phylogenetic Analysis of Mos1-Like Transposable Elements in the Drosophilidae Frédéric BrunetFabienne GodinPierre Capy Pages: 760 - 768
Gene Conversion and Evolution of Daphniid Hemoglobins (Crustacea, Cladocera) Paul D.N. HebertYoung M. UmDerek J. Taylor Pages: 769 - 779
Preserved Close Linkage Between the Genes Encoding Troponin I and Troponin T, Reflecting an Evolution of Adapter Proteins Coupling the Ca2+ Signaling of Contractility Qi-Quan HuangJian-Ping Jin Pages: 780 - 788
Amino Acid Reiterations in Yeast Are Overrepresented in Particular Classes of Proteins and Show Evidence of a Slippage-Like Mutational Process M. Mar AlbàMauro F. Santibáñez-KorefJohn M. Hancock Pages: 789 - 797
Analysis of the Primary Sequence and Secondary Structure of the Unusually Long SSU rRNA of the Soil Bug, Armadillidium vulgare Chong Pyo ChoeJohn M. HancockWon Kim Pages: 798 - 805
Ribosomal DNA Intergenic Spacer of the Swimming Crab, Charybdis japonica Seong Ho RyuYoon Kyung DoWon Kim Pages: 806 - 809
The Appearance of a Different DNA Sequence May Decrease Nucleotide Diversity Kenichiro Shimatani Pages: 810 - 813
Papaya (Carica papaya) Lysozyme Is a Member of the Family 19 (Basic, Class II) Chitinases Toto SubrotoSiti SufiatiJaap J. Beintema Pages: 819 - 821
