Talking Biotech 207 - Engineering Microbes to Fix Nitrogen

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What if we could create microbes that would fix atmospheric nitrogen and deliver it directly to the roots of plants?  That's the idea of Joyn Bio's Dr. Michael Mille.  The company has set out to use genetic engineering to reprogram microbial "chassis" that can do the work in the field, limiting dependence on external nitrogen fertilizer.  The process would transform agriculture and decrease carbon and nitrogen pollution associated with agriculture. 

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