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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
environmental science
A longitudinal study of infant faecal microbiota during weaning
FEMS Microbiology Ecology, Volume 58, No. 3, Year 2006
Notification
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Description
For infants, the introduction of food other than breast milk is a high risk period due to diarrheal diseases, and may be corroborated with a shift in the faecal microbiota. This longitudinal study was the first undertaken to understand the effect of the supplementation on the infant's faecal microbiota and particularly the bifidobacteria. Eleven infants were enrolled. Their faecal microbiota were analysed using temporal temperature gradient gel electrophoresis (TTGE) with bacterial and bifidobacterial primers. In parallel, bifidobacterial counts were followed using competitive PCR. Three periods were distinguished: exclusive breastfeeding (Bf period), weaning (i.e. formula-milk addition, W period) and postweaning (i.e. breastfeeding cessation, Pw period). The bifidobacterial counts were not modified, reaching 10.5 (Log10 cells g-1 wet weight). In the TTGE profiles, the main identified bands corresponded to Escherichia coli, Ruminococcus sp. and Bifidobacterium sp., more precisely Bifidobacterium longum, Bifidobacterium infantis and Bifidobacterium breve. For both TTGE profiles, the analysis of the distance suggested a maturation of the faecal microbiota but no correlation could be established with the diet. Despite a high interindividual variability, composition of the faecal microbiota appeared more homogenous after weaning and this point may be correlated with the cessation of breastfeeding. © 2006 Federation of European Microbiological Societies.
Authors & Co-Authors
Magne, Fabien
France, Paris
Conservatoire National Des Arts et Metiers
Hachelaf, Wahiba
Algeria, Oran
Clinique Amilcar Cabral
Suau, Antonia
France, Paris
Conservatoire National Des Arts et Metiers
Boudraa, Ghazalia
Algeria, Oran
Clinique Amilcar Cabral
Mangin, Irène
France, Paris
Conservatoire National Des Arts et Metiers
Touhami, Mahmoud
Algeria, Oran
Clinique Amilcar Cabral
Bouziane-Nedjadi, Karim
Algeria, Oran
Clinique Amilcar Cabral
Pochart, Philippe
France, Paris
Conservatoire National Des Arts et Metiers
Statistics
Citations: 80
Authors: 8
Affiliations: 2
Identifiers
Doi:
10.1111/j.1574-6941.2006.00182.x
ISSN:
01686496
e-ISSN:
15746941
Research Areas
Food Security
Infectious Diseases
Maternal And Child Health
Study Design
Cohort Study
Study Approach
Quantitative