An ancient divergence among the bacteria William E. BalchLinda J. MagrumCarl R. Woese OriginalPaper Pages: 305 - 311
Simulation results with stepwise mutation model and their interpretations Ranajit Chakraborty OriginalPaper Pages: 313 - 322
Template-directed reactions of aminonucleosides R. LohrmannL. E. Orgel OriginalPaper Pages: 323 - 328
Recognition of phylogenetic relationships from polypeptide chain fold similarities Georg E. Schulz OriginalPaper Pages: 339 - 342
Further comments on “counter-examples to a neutralist hypothesis” Motoo KimuraTomoko Ohta Letters to the Editor Pages: 367 - 368
A comment on methanogenic bacteria and the primitive ecology Carl R. Woese OriginalPaper Pages: 369 - 371
Gene control in eukaryotes and thec-value paradox: “Excess” DNA as an impediment to transcription of coding sequences Emile Zuckerkandl Erratum Pages: 373 - 373