Figure 1. Next-generation transcriptional regulatory modules for gene expression control.
a) Completely randomized regulatory sequences in both promoter and RBS regions in S. albus. IdgS is a nonribosomal peptide synthetase (NRPS), which produces the blue pigment indigoidine; b) Metagenomic mining of natural 5’ regulatory elements from diverse bacteria; c) iFFL-stabilized promoters in E. coli. iFFL, incoherent FeedForward Loop. TALE, Transcription-Activator Like Effector.