1. Emerging Frontiers in the Study of Molecular Evolution

   • David A. Liberles
   • Belinda Chang
   • Andrew Storfer

   Invited Editorial 14 February 2020 Pages: 211 - 226

2. Debating tRNA Origins

   • Michelle M. Meyer

   Editorial 29 January 2020 Pages: 227 - 227

3. An RNA Ring was Not the Progenitor of the tRNA Molecule

   • Massimo Di Giulio

   Letter to the Editor 24 January 2020 Pages: 228 - 233

   

4. The 3-Minihelix tRNA Evolution Theorem

   • Zachary F. Burton

   Letter to the Editor 04 February 2020 Pages: 234 - 242

   

5. RNA Rings Strengthen Hairpin Accretion Hypotheses for tRNA Evolution: A Reply to Commentaries by Z.F. Burton and M. Di Giulio

   • Jacques Demongeot
   • Hervé Seligmann

   Letter to the Editor 05 February 2020 Pages: 243 - 252

   

6. On the Evolution and Functional Diversity of Terpene Synthases in the Pinus Species: A Review

   • Enrica Alicandri
   • Anna Rita Paolacci
   • Mario Ciaffi

   Review 08 February 2020 Pages: 253 - 283

   

7. Computer and Experimental Simulation of Alloxazine Synthesis from Gamma Irradiation of Amino Acids on Iceland Spar: A Prebiotic Chemistry Perspective

   • Ernesto Mendoza-Torres
   • Jorge Cruz-Catañeda
   • Alejandro Heredia

   Original Article 06 March 2020 Pages: 284 - 291