Molecular Evolutionary Characterization of the Mussel Mytilus Histone Multigene Family: First Record of a Tandemly Repeated Unit of Five Histone Genes Containing an H1 Subtype with “Orphon” Features José M. Eirín-LópezM. Fernanda RuizJosefina Méndez OriginalPaper Pages: 131 - 144
Adaptive Evolution of Scorpion Sodium Channel Toxins Shunyi ZhuFrank BosmansJan Tytgat OriginalPaper Pages: 145 - 153
Diversification of ftsZ During Early Land Plant Evolution Stefan A. RensingJustine KiesslingEva L. Decker OriginalPaper Pages: 154 - 162
Do Avian Mitochondria Recombine? Sofia BerlinNick G.C. SmithHans Ellegren OriginalPaper Pages: 163 - 167
Phylogenetic Analysis of Ciona intestinalis Gene Superfamilies Supports the Hypothesis of Successive Gene Expansions Magalie LeveugleKarine PratFrançois Coulier OriginalPaper Pages: 168 - 181
Causes of Size Homoplasy Among Chloroplast Microsatellites in Closely Related Clusia Species Marie L. HaleAnne M. BorlandKirsten Wolff OriginalPaper Pages: 182 - 190
Exponential Spread of Hepatitis C Virus Genotype 4a in Egypt Yasuhito TanakaSalah AghaMasashi Mizokami OriginalPaper Pages: 191 - 195
Evolution of an Arbitrary Sequence in Solubility Yoichiro ItoToshihiro KawamaTetsuya Yomo OriginalPaper Pages: 196 - 202
Molecular Evolution in Large Genetic Networks: Does Connectivity Equal Constraint? Matthew W. HahnGavin C. ConantAndreas Wagner OriginalPaper Pages: 203 - 211
The Shark HoxN Cluster Is Homologous to the Human HoxD Cluster Sonja J. ProhaskaClaudia FriedPeter F. Stadler OriginalPaper Pages: 212 - 217
Pathway Length and Evolutionary Constraint in Amino Acid Biosynthesis Matthew T. RutterRebecca A. Zufall OriginalPaper Pages: 218 - 224