Microbiologists have discovered a new intestinal microbe that feeds exclusively on taurine and produces the foul-smelling gas hydrogen sulfide. The researchers have thus provided another building block in the understanding of those microbial processes that have fascinating effects on health. This is also true of Taurinivorans muris: the bacterium shows a protective function against Klebsiella and Salmonella, two important pathogens.
What's that smell?
The gut microbiome mediates our health in a myriad of ways. One of those ways is by contributing to the levels of hydrogen sulfide -- the toxic gas responsible for foul smelling farts. Having small amounts of hydrogen sulfide in the gut is a good thing; in fact, it's essential for a number of physiological processes, and can even protect against pathogens.
Like hydrogen sulfide, taurine is implicated in a smorgasbord of physiological processes. Recent studies have found a link between taurine and healthy ageing -- it seems this nutrient may stave away age-related disease. In light of these findings, the discovery of a new gut microbe that feeds exclusively on taurine is another piece of an exciting puzzle.
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