RTP DHX4D Cheng AA, Lu TK (2012-01-01). "Synthetic biology: an emerging engineering discipline". Tabor JJ, Salis HM, Simpson ZB, Chevalier AA, Levskaya A, Marcotte EM, et al. The gene or genes for producing an exogenous protein are placed on a plasmid under the control of the lac promoter. The second, by Michael Elowitz and Stanislas Leibler, showed that three repressor genes could be connected to form a negative feedback loop termed the Repressilator that produces self-sustaining oscillations of protein levels in E. coli.|{101|A hundred and one|One hundred and one|One zero one} {Ideas|Concepts|Ideas} For Slot Bos