Synlogic is using synthetic biology to engineer probiotic bacteria to deliver therapeutic benefit. By targeting the microbiome of the gut, the company believes it can produce systemic effects to treat metabolic and other diseases with its new class of therapies it dubs Synthetic Biotics. We spoke to Aoife Brennan, interim CEO and chief medical officer of Synlogic, about the company’s platform technology, how its seeking to exploit the microbiome, and how its engineered bacteria may offer a safer and more effective way to treat certain conditions.