The manufacturing of weight loss drugs at large scale could get cheaper and more sustainable thanks to an engineered strain of Escherichia coli (E. coli) bacteria. The fully recoded E. coli, designed to use only 61 codons to synthesize proteins, is now being rolled out as a new method for manufacturing peptides with non-natural chemistries. That’s according to Constructive Bio, the company that recoded the E.coli and now hopes this synthetic str…