Figure 2From: Role of commensal and probiotic bacteria in human health: a focus on inflammatory bowel diseaseExtension of the commensals-probiotics hypothesis. The development of a genetically modified commensal (or probiotic) could reach all the beneficial properties found in a commensal bacterium joint to the probiotic effects due to the ability to deliver molecules to the gastrointestinal tract (GIT).Back to article page