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  • Title: Breast milk: a source of bifidobacteria for infant gut development and maturation?
    Author: Gueimonde M, Laitinen K, Salminen S, Isolauri E.
    Journal: Neonatology; 2007; 92(1):64-6. PubMed ID: 17596738.
    Abstract:
    BACKGROUND: The establishment of gut microbiota is a stepwise process contributing to gut development and maturation of the immune system. Aberrant gut microbiota at an early age may predispose to disease later in life. Breast-fed infants harbor a characteristic intestinal microbiota dominated by bifidobacteria. OBJECTIVES: To assess, using molecular techniques (PCR), whether human milk contains bifidobacteria and to determine the bifidobacterial species present. METHODS: The presence of bifidobacteria in breast milk samples (n = 20) was qualitatively and quantitatively determined by using PCR and real-time PCR, respectively. RESULTS: Breast milk samples contained bifidobacteria. Bifidobacterium longum was the most widely found species followed by Bifidobacterium animalis, Bifidobacterium bifidum and Bifidobacterium catenulatum. CONCLUSION: Breast milk contains bifidobacteria and specific Bifidobacterium species that may promote healthy microbiota development.
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