Bioscience of Microbiota, Food and Health
Online ISSN : 2186-3342
Advance online publication
Showing 1-3 articles out of 3 articles from Advance online publication
  • Hiroshi MAKINO
    Type: Review
    Article ID: 18-011
    Published: 2018
    [Advance publication] Released: August 10, 2018
    JOURNALS FREE ACCESS ADVANCE PUBLICATION

    The gastrointestinal tract is believed to be colonized rapidly with bacteria immediately from birth. The source of these intestinal microbes is an ongoing topic of interest because increasing evidence suggests that the composition of the initial intestinal bacterial colonization strongly affects health. In particular, the source of bifidobacteria has received marked attention because these bacteria are suggested to play a crucial role in protecting against susceptibility to diverse diseases later in life. However, the source of these microbes has remained unclear. Recently, it was confirmed that mothers transmit their unique bifidobacterial strains to their children shortly after birth. The transmitted strains predominate during early infancy, suggesting that maternal intestinal bifidobacteria are an important source of the infant gut microbiota. Accordingly, maintenance of a healthy, balanced gut microbiota during pregnancy has an important positive influence on the newborn gut microbiota.

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  • Suna AYDIN, Kader UGUR, Suleyman AYDIN
    Type: Letter to the editor
    Article ID: 18-010
    Published: 2018
    [Advance publication] Released: August 02, 2018
    JOURNALS FREE ACCESS ADVANCE PUBLICATION
  • Takuou TAKIMOTO, Misaki HATANAKA, Tomohiro HOSHINO, Tsuyoshi TAKARA, K ...
    Type: Full Paper
    Article ID: 18-006
    Published: 2018
    [Advance publication] Released: June 16, 2018
    JOURNALS FREE ACCESS ADVANCE PUBLICATION

    Gut microbiota influences the host immune system and are associated with various diseases. In recent years, postmenopausal bone loss has been suggested to be related to gut microbiota. In the present study, we investigated the treatment effect of the probiotic Bacillus subtilis C-3102 (C-3102) on bone mineral density (BMD) and its influence on gut microbiota in healthy postmenopausal Japanese women. Seventy-six healthy postmenopausal Japanese women were treated with a placebo or C-3102 spore-containing tablets for 24 weeks. When compared with the placebo, C-3102 significantly increased total hip BMD (placebo = 0.83 ± 0.63%, C-3102 = 2.53 ± 0.52%, p=0.043). There was a significant group-by-time interaction effect for urinary type I collagen cross-linked N-telopeptide (uNTx) (p=0.033), a marker of bone resorption. Specifically, the C-3102 group showed significantly lower uNTx when compared with the placebo group at 12 weeks of treatment (p=0.015). In addition, in the C-3102 group, there was a trend towards a decrease in the bone resorption marker tartrate-resistant acid phosphatase isoform 5b (TRACP-5b) when compared with the placebo group at 12 weeks of treatment (p=0.052). The relative abundance of genus Bifidobacterium significantly increased at 12 weeks of treatment compared with the baseline in the C-3102 group. The relative abundance of genus Fusobacterium was significantly decreased in the C-3102 group at 12 and 24 weeks of treatment compared with the baseline. These data suggested that C-3102 improves BMD by inhibiting bone resorption and modulating gut microbiota in healthy postmenopausal women.

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