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Anaerobe. 2010 Jun;16(3):307-10. doi: 10.1016/j.anaerobe.2010.02.004. Epub 2010 Feb 20.

Establishment and development of lactic acid bacteria and bifidobacteria microbiota in breast-milk and the infant gut.

Author information

1
Servicio de Pediatria, Hospital de Cabueñes, SESPA, Gijón, Asturias, Spain.

Abstract

The initial establishment of lactic acid bacteria (LAB) and bifidobacteria in the newborn and the role of breast-milk as a source of these microorganisms are not yet well understood. The establishment of these microorganisms during the first 3 months of life in 20 vaginally delivered breast-fed full-term infants, and the presence of viable Bifidobacterium in the corresponding breast-milk samples was evaluated. In 1 day-old newborns Enterococcus and Streptococcus were the microorganisms most frequently isolated, from 10 days of age until 3 months bifidobacteria become the predominant group. In breast-milk, Streptococcus was the genus most frequently isolated and Lactobacillus and Bifidobacterium were also obtained. Breast-milk contains viable lactobacilli and bifidobacteria that might contribute to the initial establishment of the microbiota in the newborn.

PMID:
20176122
DOI:
10.1016/j.anaerobe.2010.02.004
[Indexed for MEDLINE]

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