Factory of Life

Synthetic biologists reinvent nature with parts, circuits

Quietly, on the top floor of a nondescript commercial building overlooking Boston Harbor, the future is being born.

Harry Campbell

LITTLE BIG PLAYERS To carry out their synthetic feats, biologists typically turn to microbes that have short genetic instruction books and reproduce quickly. Organisms worthy of note include, clockwise from top left, Saccharomyces cerevisiae, Salmonella, Mycoplasma genitalium and Escherichia coli.