title: Some considerations on the nature of LUCA, and the nature of life.
authors.affiliation: Centre Cavaillès (CIRPHLES, USR 3308), Ecole Normale Supérieure, 29 Rue d'Ulm, 75230 Paris Cedex 05, France. morange@biologie.ens.fr
authors.forename: Michel
authors.initials: M
authors.lastname: Morange
mesh_terms: D005075:Biological Evolution; D010802:Phylogeny