Beam turns its soar­ing val­u­a­tion in­to new as­sets, buy­ing out an un­der-the-radar spin­out and their gene de­liv­ery tech

Base edit­ing has at­tract­ed ma­jor at­ten­tion since David Liu first man­aged to swap one DNA let­ter for an­oth­er in cell lines five years ago. Ac­tu­al­ly pulling that off in large an­i­mals or hu­mans, though, has al­ways faced sev­er­al ma­jor hur­dles, in­clud­ing: How do you ac­tu­al­ly get it to the right tis­sue? What de­liv­ery ve­hi­cle is both big enough to car­ry all that clunky pro­tein ma­chin­ery and tar­get­ed enough to guide it to the right place?

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