Synthesis of phosphatidylethanolamine under possible primitive earth conditions M. RaoJ. EichbergJ. Oró OriginalPaper Pages: 1 - 6
Stereoselective formation of a 2′(3′)-aminoacyl ester of a nucleotide Arthur L. Weber OriginalPaper Pages: 7 - 11
Formation of organic products in self-radiolyzed calcium carbonate Guadalupe AlbarránKenneth E. CollinsCarol H. Collins OriginalPaper Pages: 12 - 14
β-Turn-driven early evolution: The genetic code and biosynthesis pathways Jerzy JurkaTemple F. Smith OriginalPaper Pages: 15 - 19
Evolutionary conservation of the 3′ ends of members of a family of giant secretory protein genes inChironomus pallidivittatus H. SaigaC. GrondJ. -E. Edström OriginalPaper Pages: 20 - 28
Organization and unusual expression of histone genes in the sea starPisaster ochraceus A. M. HowellD. CoolB. M. Honda OriginalPaper Pages: 29 - 36
The sequence of a sea urchin muscle actin gene suggests a gene conversion with a cytoskeletal actin gene William R. Crain Jr.Mark F. BosharDavid Steffen OriginalPaper Pages: 37 - 45
Sequence comparisons betweenAgrobacterium tumefaciens T-DNA-encoded octopine and nopaline dehydrogenases and other nucleotide-requiring enzymes: Structural and evolutionary implications M. -O. MonneuseP. Rouzé OriginalPaper Pages: 46 - 57
Ubiquitin genes as a paradigm of concerted evolution of tandem repeats Paul M. SharpWen-Hsiung Li OriginalPaper Pages: 58 - 64
The sequence of the 3.3-kilobase repetitive element fromDipodomys ordii suggests a mechanism for its amplification and interspersion Paul KeimKarl G. Lark OriginalPaper Pages: 65 - 73
Evolutionary relationships of a “Primitive” shark (Heterodontus) assessed by micro-complement fixation of serum transferrin David H. DaviesRonald LowsonJudith E. Hanson OriginalPaper Pages: 74 - 80
The evolution of glutathione metabolism in phototrophic microorganisms Robert C. FaheyRalph M. BuschbacherGerald L. Newton OriginalPaper Pages: 81 - 88