16 research outputs found
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Gut microbiota functions: metabolism of nutrients and other food components
The diverse microbial community that inhabits the human gut has an extensive metabolic repertoire that is distinct from, but complements the activity of mammalian enzymes in the liver and gut mucosa and includes functions essential for host digestion. As such, the gut microbiota is a key factor in shaping the biochemical profile of the diet and, therefore, its impact on host health and disease. The important role that the gut microbiota appears to play in human metabolism and health has stimulated research into the identification of specific microorganisms involved in different processes, and the elucidation of metabolic pathways, particularly those associated with metabolism of dietary components and some host-generated substances. In the first part of the review, we discuss the main gut microorganisms, particularly bacteria, and microbial pathways associated with the metabolism of dietary carbohydrates (to short chain fatty acids and gases), proteins, plant polyphenols, bile acids, and vitamins. The second part of the review focuses on the methodologies, existing and novel, that can be employed to explore gut microbial pathways of metabolism. These include mathematical models, omics techniques, isolated microbes, and enzyme assays
Men under pressure: representations of the `salaryman' and his organization in Japanese manga
In this article we analyse representations of the Japanese salaryman and Japanese organization in Japanese manga, or graphic novels, during the turbulent decades from the mid-1980s to the present day. We argue that manga presents salarymen protagonists in a sympathetic yet not uncritical light, and that it displays support for and criticism of both the Japanese and American organizational models. We describe how these manga offer important critical challenges from the world of popular culture to the direction of change in Japanese business organizations since the 1980s. In addition, we suggest that the manga may also provide salarymen with opportunities for critically re-evaluating their own working situations and for developing methods for surviving and thriving under the pressures of working within contemporary Japanese business organizations