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Nutrients. 2013 Jan 17;5(1):234-52. doi: 10.3390/nu5010234.

Diet-microbiota interactions and their implications for healthy living.

Author information

1
Department of Microbiology, University College Cork, College Road, Cork, Ireland. i.jeffery@ucc.ie

Abstract

It is well established that diet influences the health of an individual and that a diet rich in plant-based foods has many advantages in relation to the health and well-being of an individual. What has been unclear until recently is the large contribution of the gut microbiota to this effect. As well as providing basic nutritional requirements, the long-term diet of an animal modifies its gut microbiota. In adults, diets that have a high proportion of fruit and vegetables and a low consumption of meat are associated with a highly diverse microbiota and are defined by a greater abundance of Prevotella compared to Bacteroides, while the reverse is associated with a diet that contains a low proportion of plant-based foods. Furthermore, it is becoming increasingly clear that the effect of the microbial ecology of the gut goes beyond the local gut immune system and is implicated in immune-related disorders, such as IBS, diabetes and inflamm-ageing. In this review, we investigate the evidence that a balanced diet leads to a balanced, diverse microbiota with significant consequences for healthy ageing by focusing on conditions of interest.

PMID:
23344252
PMCID:
PMC3571646
DOI:
10.3390/nu5010234
[Indexed for MEDLINE]
Free PMC Article
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