Effective bifidogenic growth factors cyclo-Val-Leu and cyclo-Val-Ile produced by Bacillus subtilis C-3102 in the human colonic microbiota model

Bifidobacterium species are known to fulfill important functions within the human colon. Thus, stimulating the activity of bifidobacteria is important to maintain host health. We revealed that culture supernatants of Bacillus subtilis C-3102 (referred to as C-3102) stimulated the growth of Bifidobac...

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Veröffentlicht in:Scientific reports 2020-05, Vol.10 (1), p.7591-7591, Article 7591
Hauptverfasser: Hatanaka, Misaki, Morita, Hiroto, Aoyagi, Yumi, Sasaki, Kengo, Sasaki, Daisuke, Kondo, Akihiko, Nakamura, Teppei
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container_title Scientific reports
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creator Hatanaka, Misaki
Morita, Hiroto
Aoyagi, Yumi
Sasaki, Kengo
Sasaki, Daisuke
Kondo, Akihiko
Nakamura, Teppei
description Bifidobacterium species are known to fulfill important functions within the human colon. Thus, stimulating the activity of bifidobacteria is important to maintain host health. We revealed that culture supernatants of Bacillus subtilis C-3102 (referred to as C-3102) stimulated the growth of Bifidobacterium species. In this study, we isolated and identified six bifidogenic growth factors, which were cyclo (D-Val-D-Ile), cyclo ( L -Val-D-Ile), cyclo (D-Val-L-Ile), cyclo (L-Val-L-Ile), cyclo (D-Val-L-Leu) and cyclo (L-Val-L-Leu). These six cyclic dipeptides increased the growth of Bifidobacterium species and had no effect on potentially harmful gut organisms. Moreover, supplementation with a mixture of these six cyclic dipeptides significantly increased the abundance of microorganisms related to the genus Bifidobacterium in a human colonic microbiota model culture system, although supplementation with a single type of dipeptide had no effect. These results show that cyclic dipeptides containing Val-Leu and Val-Ile produced by C-3102 could serve as bifidogenic growth factors in the gut microbial community.
doi_str_mv 10.1038/s41598-020-64374-w
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subjects 140/131
45/77
631/326/2565/2134
631/326/41
Bacillus subtilis
Bacillus subtilis - drug effects
Bacillus subtilis - metabolism
Bifidobacterium
Bifidobacterium - drug effects
Bifidobacterium - growth & development
Chromatography, Liquid
Colon
Cyclic dipeptides
Fermentation
Gastrointestinal Microbiome
Growth factors
Humanities and Social Sciences
Humans
Intestinal microflora
Microbiota
Microorganisms
multidisciplinary
Peptides, Cyclic - analysis
Peptides, Cyclic - biosynthesis
Peptides, Cyclic - pharmacology
Science
Science (multidisciplinary)
Species
Tandem Mass Spectrometry
title Effective bifidogenic growth factors cyclo-Val-Leu and cyclo-Val-Ile produced by Bacillus subtilis C-3102 in the human colonic microbiota model
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