Abstract: The present disclosure relates to compositions, methods and kits for enhancing ribosomal activities in a host cell, especially improvement of the translation activity of heterologous ribosomes within a host cell. Specifically, the instant disclosure provides a number of evolved rRNA sequences, which were remarkably identified to possess enhanced translation activities, improved orthogonal-ribosome binding site (o-RBS) and orthogonal anti-ribosome binding site (o-antiRBS) sequences, host cells possessing deletion or disruption of ribosome hibernation promoting factor (HPF) that thereby exhibit enhanced propagation of selection phage constructs during (PACE), among other aspects. New transgenic organisms harboring heterologous ribosomes and operons are also provided.