Two Enterococcus faecium Isolates Demonstrated Modulating Effects on the Dysbiosis of Mice Gut Microbiota Induced by Antibiotic Treatment

Broad-spectrum antibiotics are frequently used to treat bacteria-induced infections, but the overuse of antibiotics may induce the gut microbiota dysbiosis and disrupt gastrointestinal tract function. Probiotics can be applied to restore disturbed gut microbiota and repair abnormal intestinal metabo...

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Veröffentlicht in:International journal of molecular sciences 2024-05, Vol.25 (10), p.5405
Hauptverfasser: Yao, Xiaohui, Nie, Wansen, Chen, Xi, Zhang, Junjie, Wei, Jianchao, Qiu, Yafeng, Liu, Ke, Shao, Donghua, Liu, Haixia, Ma, Zhiyong, Li, Zongjie, Li, Beibei
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container_issue 10
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container_title International journal of molecular sciences
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creator Yao, Xiaohui
Nie, Wansen
Chen, Xi
Zhang, Junjie
Wei, Jianchao
Qiu, Yafeng
Liu, Ke
Shao, Donghua
Liu, Haixia
Ma, Zhiyong
Li, Zongjie
Li, Beibei
description Broad-spectrum antibiotics are frequently used to treat bacteria-induced infections, but the overuse of antibiotics may induce the gut microbiota dysbiosis and disrupt gastrointestinal tract function. Probiotics can be applied to restore disturbed gut microbiota and repair abnormal intestinal metabolism. In the present study, two strains of (named DC-K7 and DC-K9) were isolated and characterized from the fecal samples of infant dogs. The genomic features of DC-K7 and DC-K9 were analyzed, the carbohydrate-active enzyme (CAZyme)-encoding genes were predicted, and their abilities to produce short-chain fatty acids (SCFAs) were investigated. The bacteriocin-encoding genes in the genome sequences of DC-K7 and DC-K9 were analyzed, and the gene cluster of Enterolysin-A, which encoded a 401-amino-acid peptide, was predicted. Moreover, the modulating effects of DC-K7 and DC-K9 on the gut microbiota dysbiosis induced by antibiotics were analyzed. The current results demonstrated that oral administrations of DC-K7 and DC-K9 could enhance the relative abundances of beneficial microbes and decrease the relative abundances of harmful microbes. Therefore, the isolated DC-K7 and DC-K9 were proven to be able to alter the gut microbiota dysbiosis induced by antibiotic treatment.
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subjects Animals
Anti-Bacterial Agents - pharmacology
Antibiotics
Bacteria
Bacteriocins - pharmacology
Carbohydrates
Diarrhea
Dogs
Dysbiosis - microbiology
Enterococcus faecium
Fatty Acids, Volatile - metabolism
Feces - microbiology
Gastrointestinal Microbiome - drug effects
Genomes
Infections
Metabolism
Mice
Microbiota
Oral administration
Peptides
Probiotics
Probiotics - pharmacology
Transfer RNA
title Two Enterococcus faecium Isolates Demonstrated Modulating Effects on the Dysbiosis of Mice Gut Microbiota Induced by Antibiotic Treatment
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