Recent studies into the beneficial effects of fermented foods have shown that this class of foods are effective in managing hyperuricemia and gout. In this study, the uric acid (UA) degradation ability of JL-3 strain, isolated from "Jiangshui" (a fermented Chinese food), was investigated. results showed that JL-3 strain exhibited high degradation capacity and selectivity toward UA. After oral administration to mice for 15 days, JL-3 colonization was continuously detected in the feces of mice. The UA level in urine of mice fed with JL-3 was similar with the control group mice. And the serum UA level of the former was significantly lower (31.3%) than in the control, further confirmed the UA-lowering effect of JL-3 strain. JL-3 strain also restored some of the inflammatory markers and oxidative stress indicators (IL-1β, MDA, CRE, blood urea nitrogen) related to hyperuricemia, while the gut microbial diversity results showed that JL-3 could regulate gut microbiota dysbiosis caused by hyperuricemia. Therefore, the probiotic JL-3 strain is effective in lowering UA levels in mice and could be used as a therapeutic adjunct agent in treating hyperuricemia.
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http://dx.doi.org/10.1080/19490976.2021.1897211 | DOI Listing |
Gut Microbes
January 2022
Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, School of Life Sciences, Lanzhou University, Lanzhou, China.
Recent studies into the beneficial effects of fermented foods have shown that this class of foods are effective in managing hyperuricemia and gout. In this study, the uric acid (UA) degradation ability of JL-3 strain, isolated from "Jiangshui" (a fermented Chinese food), was investigated. results showed that JL-3 strain exhibited high degradation capacity and selectivity toward UA.
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July 2013
Key Laboratory of Microbiological Engineering of Agricultural Environment, Ministry of Agriculture, Department of Microbiology, College of Life Sciences, Nanjing Agricultural University, Nanjing, China.
Proteorhodopsins (PRs), light-driven proton pumps, constitute the largest family of the microbial rhodopsins. PRs are widely distributed in the oceanic environment and freshwater, but no bacteria with PRs have been isolated from freshwater so far. To facilitate isolation of the bacteria with PR genes, we constructed a vector system that can be used to clone potential PR genes and render color changes when overexpressed in Escherichia coli.
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