Our digestive system is colonized by a myriad of symbionts and commensals that have important effects on nutrient processing, mucosal immune tolerance and a broad range of other host activities.

• 在人的消化系统中拥有成千上万的共生细菌,这些共生细菌对宿主肠道的营养加工、粘膜免疫耐受和一些其它功能具有重要的作用。