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A new first: rewriting the genetic code
Imagine that you wanted to remove every instance of the letter Q from the English language without losing meaningful words spelled with Q, and without adding any new letters to the alphabet. You’d have to choose an alternate letter to take Q’s place—C or K, perhaps—then rewrite books with the new letter and re-teach people to spell and read using the new alphabet. Such an undertaking is what a team of Yale, Harvard, and MIT researchers have recently completed. Rather than altering the English language, however, they removed a letter from the genetic alphabet of a bacteria.
Source: Medicine@Yale