@article{01GW485YQ6VRH5CJ4V2B5G1XH4,
  abstract     = {{Modulation of the gut microbiota is a trending strategy to improve health. While butyrate has been identified as a key health-related microbial metabolite, managing its supply to the host remains challenging. Therefore, this study investigated the potential to manage butyrate supply via tributyrin oil supplementation (TB; glycerol with three butyrate molecules) using the ex vivo SIFR (R) (Systemic Intestinal Fermentation Research) technology, a highly reproducible, in vivo predictive gut model that accurately preserves in vivo-derived microbiota and enables addressing interpersonal differences. Dosing 1 g TB/L significantly increased butyrate with 4.1 (+/- 0.3) mM, corresponding with 83 +/- 6% of the theoretical butyrate content of TB. Interestingly, co-administration of Limosilactobacillus reuteri ATCC 53608 (REU) and Lacticaseibacillus rhamnosus ATCC 53103 (LGG) markedly enhanced butyrate to levels that exceeded the theoretical butyrate content of TB (138 +/- 11% for REU; 126 +/- 8% for LGG). Both TB + REU and TB + LGG stimulated Coprococcus catus, a lactate-utilizing, butyrate-producing species. The stimulation of C. catus with TB + REU was remarkably consistent across the six human adults tested. It is hypothesized that LGG and REU ferment the glycerol backbone of TB to produce lactate, a precursor of butyrate. TB + REU also significantly stimulated the butyrate-producing Eubacterium rectale and Gemmiger formicilis and promoted microbial diversity. The more potent effects of REU could be due to its ability to convert glycerol to reuterin, an antimicrobial compound. Overall, both the direct butyrate release from TB and the additional butyrate production via REU/LGG-mediated cross-feeding were highly consistent. This contrasts with the large interpersonal differences in butyrate production that are often observed upon prebiotic treatment. Combining TB with LGG and especially REU is thus a promising strategy to consistently supply butyrate to the host, potentially resulting in more predictable health benefits.}},
  articleno    = {{5859}},
  author       = {{Van den Abbeele, Pieter and Goggans, Mallory and Deyaert, Stef and Baudot, Aurélien and Van de Vliet, Michiel and Calatayud Arroyo, Marta and Lelah, Michael}},
  issn         = {{1422-0067}},
  journal      = {{INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES}},
  keywords     = {{Inorganic Chemistry,Organic Chemistry,Physical and Theoretical Chemistry,Computer Science Applications,Spectroscopy,Molecular Biology,General Medicine,Catalysis,gut microbiota,ex vivo,probiotic,prebiotic,synbiotic,tributyrin,Lacticaseibacillus rhamnosus LGG,Limosilactobacillus reuteri,butyrate,SIFR (R),IN-VITRO MODEL,GUT MICROBIOTA,DIVERSITY,DYSBIOSIS,FERMENTATION,PROPIONATE,BACTERIA,BARRIER,FIBER,GG}},
  language     = {{eng}},
  number       = {{6}},
  pages        = {{15}},
  title        = {{Lacticaseibacillus rhamnosus ATCC 53103 and Limosilactobacillus reuteri ATCC 53608 synergistically boost butyrate levels upon tributyrin administration ex vivo}},
  url          = {{http://doi.org/10.3390/ijms24065859}},
  volume       = {{24}},
  year         = {{2023}},
}

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