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New insights in amino sugar metabolism by the gut microbiome
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DOI：10.1080/19490976.2025.2510462.png)
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Abstract
En 中文
Gut microorganisms inhabiting the intestinal tract play key roles in host's health and disease. A properly functioning gut microbiome requires the availability of adequate carbon, nitrogen and energy sources. One of the main sources of energy for intestinal bacteria are glycans, of which amino sugars are important components. Amino sugars are a class of carbohydrates in which one or more hydroxyl groups are substituted with amino groups. However, bacterial utilization of amino sugars and their impact on the gut microbiome and host health have not been thoroughly assessed. In this review, we summarize the latest discoveries about amino sugar metabolism by gut microbes, paying particular attention to the metabolism of N-acetyl-galactosamine (GalNAc), one of the most abundant amino sugars in the intestine, and its potential implications for microbial functionality and host health.
Keywords:
Gut microbiome
amino sugar metabolism
GalNAc utilization pathway
host health