ArticleProbiotics and antimicrobial proteins2026
Breeding of Highly Efficient Uric Acid-Lowering Lactic Acid Bacteria by ARTP Mutation and its Transcriptomic Analysis.
Article in Probiotics and antimicrobial proteins, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Hyperuricemia (HUA) is a globally prevalent metabolic disorder that demands safe and efficacious uric acid-lowering agents. This study subjected Lactiplantibacillus plantarum Ta6, isolated from traditional Xinjiang fermented foods, to atmospheric pressure room temperature plasma (ARTP) mutagenesis, yielding a genetically stable mutant strain A2. Phenotypically, A2 displayed a 16.29% increase in uric acid degradation and achieved complete degradation of 100 µg/mL inosine and guanosine. Its in vitro xanthine oxidase (XOD) inhibition rate reached 86.89%, which was comparable to that of allopurinol (87.88%) and significantly higher than the wild-type Ta6 (74.31%) (p < 0.05). Transcriptomic analysis identified 1,210 differentially expressed genes (DEGs). Upregulation of salvage-pathway genes Phosphoribosyl Pyrophosphate Synthetase (PRPS) and Hypoxanthine-Guanine Phosphoribosyl Transferase (HGPRT) and downregulation of adenine deaminase suggested a potential shift in purine metabolic flux and altered intracellular purine interconversion. Furthermore, coordinated upregulation of all 24 genes in the peptidoglycan biosynthesis pathway indicated active cell wall remodeling. These findings identify a promising candidate probiotic strain and elucidate the molecular basis for ARTP-enhanced uric acid-lowering.
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