The present disclosure provides modified bacteria and modified peptidoglycan comprising modified D-amino acids; compositions comprising the modified bacteria or peptidoglycan; and methods of using the modified bacteria or peptidoglycan. The modified D-amino acids include a bioorthogonal functional group such as an azide, an alkyne or a norbornene group. Also provided are modified peptidoglycans conjugated to a molecule of interest via a linker.
本公开提供了包含改性 D-
氨基酸的改性细菌和改性肽聚糖;包含改性细菌或肽聚糖的组合物;以及使用改性细菌或肽聚糖的方法。改性 D-
氨基酸包括
生物正交官能团,如
叠氮基、炔基或
降冰片烯基。还提供了通过连接体与相关分子共轭的改性肽聚糖。