Sugar-cleaving molecule raises hope for universal blood
Enzyme from bacterium offers speed in making cells safer for transfusion
![blood cell type enzyme](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/05/bm_blood_free.jpg?fit=860%2C460&ssl=1)
TYPE ALL With engineering, a natural enzyme can better cut off some sugars that determine if a blood cell is type A, B or AB (as shown), resulting in a generic blood type that is safe for all people.
D.H. Kwan et al/Journal of the American Chemical Society 2015