http://www.sciencemag.org/news/2019/10/sugar-coated-rnas-could-alter-face-biochemistry-we-know-it-if-they-re-real

New results suggest sugars bind to certain RNAs, but just why remains unclear.

Sugar isn’t just for sweets. Inside cells, sugars attached to proteins and fats help molecules recognize one another—and let cells communicate. Now, for the first time, researchers report that sugars also appear to bind to some RNA molecules, the cellular workhorses that do everything from translating DNA into proteins to catalyzing chemical reactions. It’s unclear just what these sugar-coated RNAs do. But if the result holds up, it suggests vast new roles for RNA.