 
        
        	“Pre-LUCA Ancestral Reconstruction of Synthetase Proteins Supports a Late Addition of Trp to the Genetic Code”
Greg Fournier
Postdoctoral Fellow
NASA Astrobiology Institute
Alm Lab, MIT
“The Origin and Evolution of Proteomes”
Gustavo Caetano-Anolles
University of Illinois, Urbana-Champaign
 RNA, DNA, and the Protein World
                    
                    RNA, DNA, and the Protein World The Physics and Chemistry Behind Origins
                    
                    The Physics and Chemistry Behind Origins