by Julia Evangelou Strait, Washington University School of Medicine in St. Louis Proposed scheme for N-glycan utilization by B. infantis Bg_2D9. Breakdown of glycosidic linkages by specific glycoside hydrolases (GHs) is indicated in orange boxes. Proteins encoded by genes in the ngl cluster are highlighted in red. Credit: Science Translational Medicine (2022). DOI: 10.1126/scitranslmed.abk1107 About 18 million children under age...