title: Evolution of transfer RNA and the origin of the translation system.
authors.affiliation: Laboratório de Genética Evolutiva Paulo Leminsk, Departamento de Biologia Molecular, Universidade Federal da Paraíba João Pessoa, Brazil.
authors.forename: Savio T
authors.initials: ST
authors.lastname: de Farias
authors.affiliation: Departamento de Informática, Universidade Federal da Paraíba João Pessoa, Brazil.
authors.forename: Thaís G
authors.initials: TG
authors.lastname: do Rêgo
authors.affiliation: Theoretical Biology Group, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México México, México.
authors.forename: Marco V
authors.initials: MV
authors.lastname: José
keywords: aminoacyl-tRNA synthetases; co-evolution; origin of life; tRNA; translation system