Karen Delbaere, Inez Roegiers, Auriane Bron, Claude Durif, Tom Van de Wiele, Stephanie Blanquet-Diot, Ludovica Marinelli
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The small intestine: dining table of host-microbiota meetings.
Growing evidence suggests the importance of the small intestinal bacteria in the diet-host-microbiota dialogue in various facets of health and disease. Yet, this body site is still poorly explored and its ecology and mechanisms of interaction with the host are just starting to be unraveled. In this review, we describe the current knowledge on the small intestinal ecology, its composition and diversity, and how the intestinal bacteria in homeostatic conditions participate in nutrient digestion and absorption. We illustrate the importance of a controlled bacterial density and of the preservation of absorptive surface for the host's nutritional status. In particular, we discuss these aspects of the small intestinal environment in the framework of two disease conditions, namely small intestinal bacterial overgrowth (SIBO) and short bowel syndrome (SBS). We also detail in vivo, ex vivo, and in vitro models developed to simulate the small intestinal environment, some applied for (diet-)host-bacteria interaction studies. Lastly, we highlight recent technological, medical, and scientific advances applicable to investigate this complex and yet understudied body environment to broaden our knowledge in support of further progress in the medical practice, and to proceed towards the integration of the (small)intestinal bacteria in personalized therapeutic approaches.
期刊介绍:
Title: FEMS Microbiology Reviews
Journal Focus:
Publishes reviews covering all aspects of microbiology not recently surveyed
Reviews topics of current interest
Provides comprehensive, critical, and authoritative coverage
Offers new perspectives and critical, detailed discussions of significant trends
May contain speculative and selective elements
Aimed at both specialists and general readers
Reviews should be framed within the context of general microbiology and biology
Submission Criteria:
Manuscripts should not be unevaluated compilations of literature
Lectures delivered at symposia must review the related field to be acceptable