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Microbial lactate utilisation and the stability of the gut microbiome, 2022, Louis et al

Discussion in 'Other health news and research' started by Andy, May 16, 2022.

  1. Andy

    Andy Committee Member

    Hampshire, UK

    The human large intestinal microbiota thrives on dietary carbohydrates that are converted to a range of fermentation products. Short-chain fatty acids (acetate, propionate and butyrate) are the dominant fermentation acids that accumulate to high concentrations in the colon and they have health-promoting effects on the host. Although many gut microbes can also produce lactate, it usually does not accumulate in the healthy gut lumen. This appears largely to be due to the presence of a relatively small number of gut microbes that can utilise lactate and convert it to propionate, butyrate or acetate. There is increasing evidence that these microbes play important roles in maintaining a healthy gut environment. In this review, we will provide an overview of the different microbes involved in lactate metabolism within the gut microbiota, including biochemical pathways utilised and their underlying energetics, as well as regulation of the corresponding genes. We will further discuss the potential consequences of perturbation of the microbiota leading to lactate accumulation in the gut and associated disease states and how lactate-utilising bacteria may be employed to treat such diseases.

    Open access, https://www.cambridge.org/core/jour...t-microbiome/70FFDA0D826775206007393EB4E21FE2
    MeSci, alktipping and TigerLilea like this.

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