[EN] There is a subviral world, whose most prominent representatives are viroids. Despite
being solely composed by a circular, highly structured RNA of 250 to 400 nucleotides
without protein-coding ability (all viruses ...
FLORES PEDAUYE, RICARDO; Gago Zachert, Selma Persida; SERRA ALFONSO, PEDRO; Sanjuan Verdeguer, Rafael; ELENA FITO, SANTIAGO FCO(Annual Reviews, 2014)
[EN] Because RNA can be a carrier of genetic information and a biocatalyst, there
is a consensus that it emerged before DNA and proteins, which eventually
assumed these roles and relegated RNA to intermediate functions. ...