Dietary whole Grain-Microbiota interactions: Insights into mechanisms for human health

Nancy L. Keim, Roy J. Martin

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


This article summarizes the presentations from the "Dietary Whole Grain-Microbiota Interactions: Insights into Mechanisms for Human Health" symposium held at the ASN Scientific Sessions and Annual Meeting at Experimental Biology 2014 in San Diego, CA, on 28 April 2014. The symposium focused on the interactive effects of whole grains and nondigestible carbohydrates with the gut microbiota with the goal of identifying the benefits of whole grains that are mediated through their effects on the gut microbiome. This theme was addressed by 4 speakers, each with their own unique perspective. Dr. Michael Lefevre reviewed the impact of whole grains on markers of subclinical inflammation, drawing examples from epidemiologic literature, clinical trials, and animal experiments. Dr. Knud Erik Bach Knudsen discussed data from studies he conducted to identify specific carbohydrates that enhance colonic butyrate production. Dr. Michael Keenan presented a chronology of his research program devoted to understanding the mechanisms underlying the metabolic effects of resistant starch, particularly high-amylose maize. Dr. Jens Walter emphasized that whole grains can impact gut microbial ecology by increasing microbial diversity and inducing compositional alterations, some of which are considered to have beneficial effects on the host.

Original languageEnglish (US)
Pages (from-to)556-557
Number of pages2
JournalAdvances in Nutrition
Issue number5
StatePublished - 2014

ASJC Scopus subject areas

  • Food Science
  • Medicine (miscellaneous)
  • Nutrition and Dietetics


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