Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Shotgun Metagenomic Sequencing Revealed the Prebiotic Potential of a Fruit Juice Drink With Fermentable Fibers in Healthy Humans

Version 1 : Received: 2 May 2023 / Approved: 3 May 2023 / Online: 3 May 2023 (05:16:05 CEST)

A peer-reviewed article of this Preprint also exists.

Bester, A.; O’Brien, M.; Cotter, P.D.; Dam, S.; Civai, C. Shotgun Metagenomic Sequencing Revealed the Prebiotic Potential of a Fruit Juice Drink with Fermentable Fibres in Healthy Humans. Foods 2023, 12, 2480. Bester, A.; O’Brien, M.; Cotter, P.D.; Dam, S.; Civai, C. Shotgun Metagenomic Sequencing Revealed the Prebiotic Potential of a Fruit Juice Drink with Fermentable Fibres in Healthy Humans. Foods 2023, 12, 2480.

Abstract

Fibre-based dietary interventions are at the forefront of gut microbiome modulation research, with a wealth of 16S rRNA information to demonstrate the prebiotic effects of isolated fibres. However, there is a distinct lack of data relating to the effect of a combination of soluble and insoluble fibres in a convenient to consume fruit juice food matrix on gut microbiota structure, diversity, and function. Here, we aimed to determine the impact of the MOJU Prebiotic Shot, a fruit juice drink blend containing chicory inulin, baobab, golden kiwi, and green banana powders, on gut microbiota structure and function. Healthy adults (n = 20) were included in a randomized, double-blind, placebo-controlled, cross-over study receiving 60ml MOJU Prebiotic Shot or pla-cebo (without the fibre mix) for 3 weeks with a 3-week wash-out between interventions. Shotgun metagenomics revealed significant between-group differences in alpha and beta diversity. In addition, the relative abundance of the phyla Actinobacteria and Desulfobacteria was significantly increased as a result of the prebiotic intervention. 9 species were observed to be differentially abundant (uncorrected p-value of <0.05) as a result of the prebiotic treatment. Of these, Bifidobacterium adolescentis and CAG-81 sp900066785 (Lachnospiraceae) were present at increased abundance relative to baseline. Additionally, KEGG analysis showed an increased abundance in pathways associated with arginine biosynthesis and phenylacetate degradation during the prebiotic treatment. Our results show the effects of the daily consumption of 60ml MOJU Prebiotic Shot for 3 weeks and provide insight to the functional potential of B. adolescentis

Keywords

shotgun metagenomics; gut microbiota; prebiotics; Bifidobacterium adolescentis; Lachnospiraceae; arginine; fibre

Subject

Biology and Life Sciences, Food Science and Technology

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